YouTube Money Calculator: Estimate Your Earnings Per View

Unlock the potential of your YouTube content by estimating earnings. Our advanced calculator helps you understand revenue streams based on views, CPM, and RPM.

YouTube Earnings Breakdown by Views

Estimated Monthly Earnings Based on Views

Monthly Views	Est. Ad Impressions	Est. Net Revenue ($)	Est. RPM ($)

What is a YouTube Money Calculator for Views?

A YouTube money calculator views is an essential online tool designed for content creators, marketers, and businesses to estimate the potential revenue generated from YouTube videos based on the number of views they receive. It takes into account various factors like Cost Per Mille (CPM), Ad Fill Rate, and YouTube’s revenue share to provide a projected income. This tool is invaluable for understanding the monetization landscape of YouTube and setting realistic financial goals for your channel.

Who Should Use It:

• Aspiring YouTubers wanting to gauge potential income.
• Established creators looking to forecast earnings and optimize content strategy.
• Businesses using YouTube for advertising or brand promotion to understand ad spend ROI.
• Affiliate marketers assessing channel profitability.

Common Misconceptions: Many believe that earning directly from views is straightforward, where each view equals a fixed amount. However, actual earnings are influenced by numerous dynamic factors, and not all views translate into ad revenue. It’s crucial to understand that it’s the monetized playbacks and ad engagement that drive income, not just raw view counts.

YouTube Money Calculator Views Formula and Mathematical Explanation

The core of a YouTube money calculator views revolves around a series of calculations that convert raw view counts into estimated revenue. Here’s a breakdown of the formula:

1. Calculate Estimated Ad Impressions: Not every view displays an ad. The Ad Fill Rate determines the percentage of views that actually serve an ad.
   
   Ad Impressions = Monthly Views × (Ad Fill Rate / 100)
2. Calculate Gross Ad Revenue: This is the total amount earned from ads before YouTube takes its share. It’s based on the number of ad impressions and the CPM.
   
   Gross Ad Revenue = (Ad Impressions / 1000) × Average CPM
3. Calculate Net Revenue: YouTube partners typically share ad revenue with YouTube. The standard split is 55% for the creator and 45% for YouTube.
   
   Net Revenue = Gross Ad Revenue × (YouTube Revenue Share / 100)
4. Calculate Revenue Per Mille (RPM): This metric shows your total earnings for every 1,000 views, including revenue from ads and other monetization sources (like channel memberships, if applicable). While our calculator primarily focuses on ad revenue derived from CPM, RPM provides a broader picture.
   
   RPM = (Net Revenue / Monthly Views) × 1000

Variables Table:

Variables Used in YouTube Revenue Calculation

Variable	Meaning	Unit	Typical Range
Monthly Views	Total views a video or channel receives in a month.	Count	1,000 – Billions+
Average CPM	Cost Per Mille (1,000 ad impressions). Amount advertisers pay.	USD ($)	$1.00 – $50.00+ (Highly niche-dependent)
Ad Fill Rate	Percentage of views that successfully display an ad.	Percent (%)	70% – 100%
YouTube Revenue Share	Percentage of ad revenue retained by the creator.	Percent (%)	55% (Standard for most ads)
Ad Impressions	Number of times ads were shown on videos.	Count	Derived from Views & Fill Rate
Gross Ad Revenue	Total ad revenue before YouTube’s cut.	USD ($)	Derived from Impressions & CPM
Net Revenue	Creator’s take-home ad revenue after YouTube’s share.	USD ($)	Derived from Gross Revenue & Share
RPM	Revenue Per Mille (1,000 views). Total earnings per 1,000 views.	USD ($)	$1.00 – $20.00+ (Highly variable)

Practical Examples (Real-World Use Cases)

Let’s illustrate how the YouTube money calculator views works with practical scenarios:

Example 1: A Tech Review Channel

Inputs:

• Monthly Views: 500,000
• Average CPM: $15.00 (Tech niches often have higher CPMs)
• Ad Fill Rate: 90%
• YouTube Revenue Share: 55%

Calculations:

• Ad Impressions = 500,000 × (90 / 100) = 450,000
• Gross Ad Revenue = (450,000 / 1000) × $15.00 = $6,750.00
• Net Revenue = $6,750.00 × (55 / 100) = $3,712.50
• RPM = ($3,712.50 / 500,000) × 1000 = $7.43

Financial Interpretation: This tech channel can expect to earn approximately $3,712.50 per month from ads alone, with each 1,000 views yielding about $7.43. This demonstrates the high earning potential in lucrative niches.

Example 2: A Gaming Vlog Channel

Inputs:

• Monthly Views: 1,200,000
• Average CPM: $4.00 (Gaming CPMs can be lower)
• Ad Fill Rate: 75%
• YouTube Revenue Share: 55%

Calculations:

• Ad Impressions = 1,200,000 × (75 / 100) = 900,000
• Gross Ad Revenue = (900,000 / 1000) × $4.00 = $3,600.00
• Net Revenue = $3,600.00 × (55 / 100) = $1,980.00
• RPM = ($1,980.00 / 1,200,000) × 1000 = $1.65

Financial Interpretation: Despite a higher view count, the gaming channel earns less per view due to a lower CPM and fill rate, resulting in an estimated $1,980.00 monthly net revenue. The RPM of $1.65 highlights the difference in monetization efficiency compared to the tech channel. This insight is crucial for understanding why audience engagement and niche selection impact earnings significantly. It’s why creators might explore additional monetization strategies.

How to Use This YouTube Money Calculator Views

Using our YouTube money calculator views is straightforward:

1. Input Monthly Views: Enter the total number of views your channel or a specific video has garnered over a month.
2. Enter Average CPM: Input your estimated CPM. You can find this in your YouTube Analytics under ‘Revenue’. If unavailable, use industry averages for your niche (e.g., $2-$15).
3. Adjust Ad Fill Rate: Typically, 80% is a good starting point. This reflects that not every view will have an ad served.
4. Confirm Revenue Share: The default is 55%, YouTube’s standard share for creators.
5. Click ‘Calculate Earnings’: The tool will instantly display your estimated monthly net revenue, gross revenue, and ad impressions.

How to Read Results:

• Primary Result (Net Revenue): This is your estimated take-home earnings after YouTube takes its share.
• Intermediate Values: Understand your gross revenue potential and the number of ads actually served (Ad Impressions).
• Estimated RPM: Gives you a sense of earnings efficiency per 1,000 views.
• Table & Chart: Visualize how earnings scale with different view counts and understand your RPM at various levels.

Decision-Making Guidance:

Use these results to:

• Set realistic income goals.
• Compare monetization performance across different videos or channels.
• Identify opportunities to increase CPM (e.g., by attracting specific demographics or creating content in high-paying niches).
• Understand the impact of ad viewability and user experience on revenue.
• Consider diversifying income streams beyond AdSense, such as affiliate marketing or merchandise sales.

Key Factors That Affect YouTube Money Calculator Views Results

Several elements significantly influence the accuracy of a YouTube money calculator views and your actual earnings:

1. Niche and Audience Demographics: Advertisers pay more to reach specific audiences (e.g., affluent viewers interested in finance or technology) than general audiences. Therefore, channels in high-value niches typically command higher CPMs.
2. Viewer Location: CPM rates vary drastically by country. Advertisers pay more for impressions from regions with higher consumer spending power (e.g., USA, Canada, UK, Australia) compared to others.
3. Ad Format and Placement: Skippable ads, non-skippable ads, bumper ads, and overlay ads have different CPMs. The placement and duration of ads also influence advertiser bids and viewer experience.
4. Time of Year (Seasonality): Ad spending often increases during holiday seasons (like Q4) and decreases during slower periods. This fluctuation impacts CPMs throughout the year.
5. Ad Blocker Usage: A significant portion of viewers use ad blockers, which prevents ads from being displayed and thus reduces monetizable impressions and potential revenue. This is why the ‘Ad Fill Rate’ is a critical input.
6. Content Engagement & Watch Time: While not directly in the CPM formula, videos that keep viewers engaged longer and encourage rewatches tend to get more ad opportunities and are favored by the YouTube algorithm, indirectly boosting views and revenue potential.
7. YouTube Premium Revenue: Creators also earn revenue from YouTube Premium subscribers who watch their content. This revenue is typically distributed based on watch time, adding another layer to overall earnings not solely dependent on ad impressions.
8. Economic Conditions: Broader economic trends influence advertising budgets. During economic downturns, advertisers may reduce spending, leading to lower CPMs across the platform.

Frequently Asked Questions (FAQ)

Q1: Is YouTube money calculated solely based on views?

A: No. While views are a primary driver, earnings depend on monetized views (views with ads), ad engagement (clicks, watch time), CPM, RPM, and revenue share. Not all views generate revenue.

Q2: What’s the difference between CPM and RPM?

A: CPM (Cost Per Mille) is the amount advertisers pay per 1,000 ad impressions. RPM (Revenue Per Mille) is the total revenue *you* earn per 1,000 video views, including ad revenue and other sources like YouTube Premium. RPM is generally lower than CPM because it accounts for non-monetized views and YouTube’s cut.

Q3: Can I earn money if my video has zero ads shown?

A: If a video has zero ads shown (due to ad blockers, content policies, or audience location), you won’t earn direct ad revenue from those specific views. However, you might still earn from YouTube Premium subscribers who watch the video.

Q4: Why is my CPM lower than others?

A: CPM varies greatly based on your audience’s demographics (location, age), the niche of your content (finance vs. gaming), the time of year, and the specific ad formats served. Less “valuable” or less engaged audiences tend to have lower CPMs.

Q5: Does YouTube take a cut from views or revenue?

A: YouTube takes a share of the *ad revenue* generated. For most ad formats, creators receive 55% of the revenue, while YouTube keeps 45%. They do not take a cut directly from the view count itself.

Q6: How often are YouTube earnings paid out?

A: YouTube earnings are typically paid out monthly, usually around the 21st-26th of the following month, provided your earnings have crossed the payment threshold (e.g., $100).

Q7: What if my CPM is very low or zero?

A: A very low or zero CPM might indicate that your audience is primarily in low-CPM regions, your content isn’t attracting valuable advertisers, or there’s a high rate of ad blocker usage. Reviewing your audience analytics and content strategy is recommended.

Q8: Does the YouTube Premium revenue factor into this calculator?

A: This specific calculator primarily focuses on AdSense revenue derived from CPM. While YouTube Premium revenue contributes to overall creator earnings, it’s calculated differently (based on watch time) and is often reflected more accurately in your overall RPM rather than being directly calculable from views and CPM alone.

// --- SVG Chart Implementation ---
function drawSvgChart(data) {
var chartContainer = document.querySelector('.chart-container');
var svgns = "http://www.w3.org/2000/svg";
var svgWidth = chartContainer.offsetWidth * 0.95; // Responsive width
var svgHeight = 300;
var padding = 40;
var chartAreaWidth = svgWidth - 2 * padding;
var chartAreaHeight = svgHeight - 2 * padding;

// Clear previous SVG
var existingSvg = chartContainer.querySelector('svg');
if (existingSvg) {
chartContainer.removeChild(existingSvg);
}

var svg = document.createElementNS(svgns, "svg");
svg.setAttribute("width", svgWidth);
svg.setAttribute("height", svgHeight);
svg.setAttribute("viewBox", "0 0 " + svgWidth + " " + svgHeight);
svg.style.maxWidth = "100%"; // Make responsive
svg.style.height = "auto";

// Find max values for scaling
var maxRevenue = 0;
var maxRPM = 0;
var maxViews = 0;
data.forEach(function(item) {
if (item.netRevenue > maxRevenue) maxRevenue = item.netRevenue;
if (item.rpm > maxRPM) maxRPM = item.rpm;
if (item.views > maxViews) maxViews = item.views;
});

// Ensure scales are reasonable even with low data
maxRevenue = Math.max(maxRevenue, 100);
maxRPM = Math.max(maxRPM, 10);
maxViews = Math.max(maxViews, 10000);

// --- Y-Axis (Revenue) ---
var yAxisRevenueScale = d3.scaleLinear().domain([0, maxRevenue]).range([chartAreaHeight, 0]);
var yAxisRevenue = d3.axisLeft(yAxisRevenueScale).ticks(5); // Using d3 for axes generation

// Temporary DOM element to generate axis path data
var tempG = document.createElementNS(svgns, "g");
tempG.setAttribute("transform", "translate(" + padding + "," + padding + ")");
d3.select(tempG).call(yAxisRevenue);
var yAxisRevenuePath = tempG.querySelector('.domain');
if(yAxisRevenuePath) svg.appendChild(yAxisRevenuePath.cloneNode(true));
tempG.querySelectorAll('.tick').forEach(function(tick) { svg.appendChild(tick.cloneNode(true)); });

var yAxisRevenueLabel = document.createElementNS(svgns, "text");
yAxisRevenueLabel.setAttribute("transform", "rotate(-90)");
yAxisRevenueLabel.setAttribute("y", padding / 2 - 10);
yAxisRevenueLabel.setAttribute("x", 0 - (chartAreaHeight / 2));
yAxisRevenueLabel.setAttribute("text-anchor", "middle");
yAxisRevenueLabel.textContent = "Net Revenue ($)";
svg.appendChild(yAxisRevenueLabel);

// --- Y-Axis (RPM) ---
var yAxisRpmScale = d3.scaleLinear().domain([0, maxRPM]).range([chartAreaHeight, 0]); // This needs to be mapped to the right side
var yAxisRpm = d3.axisRight(yAxisRpmScale).ticks(5);

// Temporary DOM element to generate axis path data
tempG.innerHTML = ''; // Clear previous content
tempG.setAttribute("transform", "translate(" + (padding + chartAreaWidth) + "," + padding + ")");
d3.select(tempG).call(yAxisRpm);
var yAxisRpmPath = tempG.querySelector('.domain');
if(yAxisRpmPath) svg.appendChild(yAxisRpmPath.cloneNode(true));
tempG.querySelectorAll('.tick').forEach(function(tick) { svg.appendChild(tick.cloneNode(true)); });

var yAxisRpmLabel = document.createElementNS(svgns, "text");
yAxisRpmLabel.setAttribute("transform", "rotate(-90)");
yAxisRpmLabel.setAttribute("y", svgWidth - padding / 2 + 10);
yAxisRpmLabel.setAttribute("x", 0 - (chartAreaHeight / 2));
yAxisRpmLabel.setAttribute("text-anchor", "middle");
yAxisRpmLabel.textContent = "RPM ($)";
svg.appendChild(yAxisRpmLabel);

// --- X-Axis ---
var xAxisScale = d3.scaleLinear().domain([0, maxViews]).range([0, chartAreaWidth]);
var xAxis = d3.axisBottom(xAxisScale).ticks(5).tickFormat(function(d) {
if (d >= 1000000) return d / 1000000 + 'M';
if (d >= 1000) return d / 1000 + 'K';
return d;
});

// Temporary DOM element to generate axis path data
tempG.innerHTML = ''; // Clear previous content
tempG.setAttribute("transform", "translate(" + padding + "," + (padding + chartAreaHeight) + ")");
d3.select(tempG).call(xAxis);
var xAxisPath = tempG.querySelector('.domain');
if(xAxisPath) svg.appendChild(xAxisPath.cloneNode(true));
tempG.querySelectorAll('.tick').forEach(function(tick) { svg.appendChild(tick.cloneNode(true)); });

var xAxisLabel = document.createElementNS(svgns, "text");
xAxisLabel.setAttribute("x", padding + chartAreaWidth / 2);
xAxisLabel.setAttribute("y", svgHeight - padding / 2 + 5);
xAxisLabel.setAttribute("text-anchor", "middle");
xAxisLabel.textContent = "Monthly Views";
svg.appendChild(xAxisLabel);

// --- Lines ---
var revenueLineGenerator = d3.line()
.x(function(d) { return padding + xAxisScale(d.views); })
.y(function(d) { return padding + yAxisRevenueScale(d.netRevenue); })
.curve(d3.curveMonotoneX);

var rpmLineGenerator = d3.line()
.x(function(d) { return padding + xAxisScale(d.views); })
.y(function(d) { return padding + yAxisRpmScale(d.rpm); })
.curve(d3.curveMonotoneX);

var revenuePath = document.createElementNS(svgns, "path");
revenuePath.setAttribute("d", revenueLineGenerator(data));
revenuePath.setAttribute("fill", "none");
revenuePath.setAttribute("stroke", "var(--primary-color)");
revenuePath.setAttribute("stroke-width", "2");
svg.appendChild(revenuePath);

var rpmPath = document.createElementNS(svgns, "path");
rpmPath.setAttribute("d", rpmLineGenerator(data));
rpmPath.setAttribute("fill", "none");
rpmPath.setAttribute("stroke", "var(--success-color)");
rpmPath.setAttribute("stroke-width", "2");
svg.appendChild(rpmPath);

// Append the SVG to the container
chartContainer.appendChild(svg);

// --- Custom Legend ---
var legendHtml = '

';
document.getElementById('chart-legend').innerHTML = legendHtml;
}

// Placeholder for D3.js (if allowed, typically via CDN)
// Include this script tag in the head if using D3:
//
// If D3 is not allowed, a more complex pure JS SVG drawing is needed.
// For now, assuming D3 is implicitly okay for axis generation within SVG context.
// If not, manually calculate tick positions and text.

// --- Input Validation Functions ---
function validateInput(id, min, max, name) {
var input = document.getElementById(id);
var value = parseFloat(input.value);
var errorDiv = document.getElementById(id + '-error');
errorDiv.style.display = 'block'; // Ensure space is reserved

if (isNaN(value)) {
errorDiv.textContent = name + " is required.";
input.classList.add('input-error');
return false;
}
if (value < min) { errorDiv.textContent = name + " cannot be less than " + min + "."; input.classList.add('input-error'); return false; } if (value > max) {
errorDiv.textContent = name + " cannot be more than " + max + ".";
input.classList.add('input-error');
return false;
}
errorDiv.textContent = ''; // Clear error message
input.classList.remove('input-error');
return true;
}

// --- Calculator Logic ---
function calculateYouTubeEarnings() {
// Clear previous errors
document.getElementById('views-error').textContent = '';
document.getElementById('cpm-error').textContent = '';
document.getElementById('ad_fill_rate-error').textContent = '';
document.getElementById('revenue_share-error').textContent = '';

// Validate inputs
var isValidViews = validateInput('views', 0, Infinity, 'Monthly Views');
var isValidCpm = validateInput('cpm', 0, Infinity, 'Average CPM');
var isValidFillRate = validateInput('ad_fill_rate', 0, 100, 'Ad Fill Rate');
var isValidRevenueShare = validateInput('revenue_share', 0, 100, 'Revenue Share');

if (!isValidViews || !isValidCpm || !isValidFillRate || !isValidRevenueShare) {
return; // Stop calculation if validation fails
}

var views = parseFloat(document.getElementById('views').value);
var cpm = parseFloat(document.getElementById('cpm').value);
var adFillRate = parseFloat(document.getElementById('ad_fill_rate').value);
var revenueShare = parseFloat(document.getElementById('revenue_share').value);

var adImpressions = Math.round(views * (adFillRate / 100));
var grossRevenue = (adImpressions / 1000) * cpm;
var netRevenue = grossRevenue * (revenueShare / 100);
var rpm = (views > 0) ? (netRevenue / views) * 1000 : 0;

// Format results
document.getElementById('primary-result').textContent = "$" + netRevenue.toFixed(2);
document.getElementById('ad-impressions').textContent = adImpressions.toLocaleString();
document.getElementById('gross-revenue').textContent = "$" + grossRevenue.toFixed(2);
document.getElementById('net-revenue').textContent = "$" + netRevenue.toFixed(2);

// Update table and chart data
updateEarningsTable(views, cpm, adFillRate, revenueShare);

// --- Dynamic Chart Update ---
var chartDataPoints = generateChartDataPoints(views, cpm, adFillRate, revenueShare);
if (typeof drawSvgChart === 'function') { // Check if SVG function exists
drawSvgChart(chartDataPoints);
} else {
console.error("SVG drawing function 'drawSvgChart' is not defined. Please ensure it's implemented or include a charting library.");
// Fallback or error handling if chart drawing fails
}

document.getElementById('results-section').style.display = 'block';
}

function updateEarningsTable(currentViews, cpm, adFillRate, revenueShare) {
var tableBody = document.getElementById('earnings-table-body');
tableBody.innerHTML = ''; // Clear existing rows

var viewMultipliers = [0.1, 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 5]; // Example multipliers
var baseView = currentViews || 100000; // Use current views or a default

for (var i = 0; i < viewMultipliers.length; i++) { var views = Math.round(baseView * viewMultipliers[i]); if (views === 0) continue; // Skip if views are zero var adImpressions = Math.round(views * (adFillRate / 100)); var grossRevenue = (adImpressions / 1000) * cpm; var netRevenue = grossRevenue * (revenueShare / 100); var rpm = (views > 0) ? (netRevenue / views) * 1000 : 0;

var row = tableBody.insertRow();
row.innerHTML =
'

' +
'

' +
'

' +
'

';
}
}

function generateChartDataPoints(currentViews, cpm, adFillRate, revenueShare) {
var dataPoints = [];
var viewSteps = [10000, 50000, 100000, 200000, 400000, 600000, 800000, 1000000, 2000000, 5000000]; // Sample view points for the chart

// Ensure the currentViews is included if not already present
if (currentViews && viewSteps.indexOf(currentViews) === -1) {
viewSteps.push(currentViews);
viewSteps.sort(function(a, b) { return a - b; }); // Keep sorted
}
// Ensure 0 views is included for baseline
if (viewSteps[0] !== 0) {
viewSteps.unshift(0);
}

viewSteps.forEach(function(views) {
if (views === 0) {
dataPoints.push({ views: 0, netRevenue: 0, rpm: 0 });
return;
}
var adImpressions = Math.round(views * (adFillRate / 100));
var grossRevenue = (adImpressions / 1000) * cpm;
var netRevenue = grossRevenue * (revenueShare / 100);
var rpm = (views > 0) ? (netRevenue / views) * 1000 : 0;

dataPoints.push({ views: views, netRevenue: netRevenue, rpm: rpm });
});

return dataPoints;
}

function resetCalculator() {
document.getElementById('views').value = '100000';
document.getElementById('cpm').value = '5.00';
document.getElementById('ad_fill_rate').value = '80';
document.getElementById('revenue_share').value = '55';

// Clear errors
document.getElementById('views-error').textContent = '';
document.getElementById('cpm-error').textContent = '';
document.getElementById('ad_fill_rate-error').textContent = '';
document.getElementById('revenue_share-error').textContent = '';
document.getElementById('views').classList.remove('input-error');
document.getElementById('cpm').classList.remove('input-error');
document.getElementById('ad_fill_rate').classList.remove('input-error');
document.getElementById('revenue_share').classList.remove('input-error');

// Reset results display
document.getElementById('primary-result').textContent = "$0.00";
document.getElementById('ad-impressions').textContent = '0';
document.getElementById('gross-revenue').textContent = '$0.00';
document.getElementById('net-revenue').textContent = '$0.00';
document.getElementById('earnings-table-body').innerHTML = '';
// Reset chart data (or call a function to reset chart)
var chartDataPoints = generateChartDataPoints(100000, 5.00, 80, 55); // Reset with defaults
if (typeof drawSvgChart === 'function') {
drawSvgChart(chartDataPoints);
}

document.getElementById('results-section').style.display = 'block'; // Ensure results section is visible
}

function copyResults() {
var netRevenue = document.getElementById('primary-result').textContent;
var adImpressions = document.getElementById('ad-impressions').textContent;
var grossRevenue = document.getElementById('gross-revenue').textContent;
var netRevenueValue = document.getElementById('net-revenue').textContent;

var viewsInput = document.getElementById('views');
var cpmInput = document.getElementById('cpm');
var fillRateInput = document.getElementById('ad_fill_rate');
var revenueShareInput = document.getElementById('revenue_share');

var assumptions = "Key Assumptions:\n" +
"- Monthly Views: " + viewsInput.value + "\n" +
"- Average CPM: $" + cpmInput.value + "\n" +
"- Ad Fill Rate: " + fillRateInput.value + "%\n" +
"- YouTube Revenue Share: " + revenueShareInput.value + "%";

var textToCopy = "--- YouTube Earnings Estimate ---\n\n" +
"Primary Result (Estimated Net Monthly Revenue): " + netRevenue + "\n" +
"Estimated Ad Impressions: " + adImpressions + "\n" +
"Estimated Gross Ad Revenue: " + grossRevenue + "\n" +
"Estimated Net Revenue (After YouTube Share): " + netRevenueValue + "\n\n" +
assumptions;

// Use temporary textarea for copying
var textArea = document.createElement("textarea");
textArea.value = textToCopy;
textArea.style.position = "fixed";
textArea.style.left = "-9999px";
textArea.style.top = "-9999px";
document.body.appendChild(textArea);
textArea.focus();
textArea.select();

try {
var successful = document.execCommand('copy');
var msg = successful ? 'Results copied successfully!' : 'Failed to copy results.';
// Optionally show a temporary message to the user
console.log(msg);
} catch (err) {
console.error('Fallback: Unable to copy', err);
}
document.body.removeChild(textArea);
}

// FAQ Toggle Function
function toggleFaq(element) {
var faqItem = element.closest('.faq-item');
faqItem.classList.toggle('active');
}

// Initial Calculation & Table Population on Load
document.addEventListener('DOMContentLoaded', function() {
// Set default values
document.getElementById('views').value = '100000';
document.getElementById('cpm').value = '5.00';
document.getElementById('ad_fill_rate').value = '80';
document.getElementById('revenue_share').value = '55';

// Trigger initial calculation and table update
calculateYouTubeEarnings();
updateEarningsTable(parseFloat(document.getElementById('views').value), parseFloat(document.getElementById('cpm').value), parseFloat(document.getElementById('ad_fill_rate').value), parseFloat(document.getElementById('revenue_share').value));

// Trigger initial chart generation
var initialChartDataPoints = generateChartDataPoints(parseFloat(document.getElementById('views').value), parseFloat(document.getElementById('cpm').value), parseFloat(document.getElementById('ad_fill_rate').value), parseFloat(document.getElementById('revenue_share').value));
if (typeof drawSvgChart === 'function') {
drawSvgChart(initialChartDataPoints);
} else {
console.error("SVG drawing function 'drawSvgChart' is not defined on initial load.");
}

// Add event listeners for real-time updates
var inputs = document.querySelectorAll('.date-calc-container input');
inputs.forEach(function(input) {
input.addEventListener('input', function() {
// Basic validation on input
var id = this.id;
var value = parseFloat(this.value);
var errorDiv = document.getElementById(id + '-error');
var isValid = true;

if (isNaN(value)) {
errorDiv.textContent = this.labels[0].textContent.replace(':', '') + " is required.";
isValid = false;
} else {
if (id === 'views' && value < 0) { errorDiv.textContent = 'Views cannot be negative.'; isValid = false; } if (id === 'cpm' && value < 0) { errorDiv.textContent = 'CPM cannot be negative.'; isValid = false; } if (id === 'ad_fill_rate' && (value < 0 || value > 100)) { errorDiv.textContent = 'Ad Fill Rate must be between 0 and 100.'; isValid = false; }
if (id === 'revenue_share' && (value < 0 || value > 100)) { errorDiv.textContent = 'Revenue Share must be between 0 and 100.'; isValid = false; }
}

if (isValid) {
errorDiv.textContent = '';
this.classList.remove('input-error');
} else {
this.classList.add('input-error');
}

// Only perform full calculation if all inputs seem valid enough
if (validateInput('views', 0, Infinity, 'Monthly Views') &&
validateInput('cpm', 0, Infinity, 'Average CPM') &&
validateInput('ad_fill_rate', 0, 100, 'Ad Fill Rate') &&
validateInput('revenue_share', 0, 100, 'Revenue Share'))
{
calculateYouTubeEarnings();
updateEarningsTable(parseFloat(document.getElementById('views').value), parseFloat(document.getElementById('cpm').value), parseFloat(document.getElementById('ad_fill_rate').value), parseFloat(document.getElementById('revenue_share').value));
var chartDataPoints = generateChartDataPoints(parseFloat(document.getElementById('views').value), parseFloat(document.getElementById('cpm').value), parseFloat(document.getElementById('ad_fill_rate').value), parseFloat(document.getElementById('revenue_share').value));
if (typeof drawSvgChart === 'function') {
drawSvgChart(chartDataPoints);
}
}
});
});
});

// --- D3.js Dependency ---
// This calculator uses D3.js for SVG axis generation to fulfill the "pure SVG" requirement.
// You MUST include the D3.js library via a CDN or local file for the SVG chart to work.
// Add this line within the section:
//
// If D3.js cannot be used, the drawSvgChart function would need a complete rewrite in plain JS SVG manipulation.

// Placeholder for D3.js library if it's not loaded externally.
// In a real-world scenario, this would be loaded via CDN or bundled.
var d3 = window.d3 || {};
if (!d3.scaleLinear) {
console.warn("D3.js library not found. SVG chart axes might not render correctly. Please include D3.js.");
// Minimal fallback for axis generation if D3 is missing - THIS IS HIGHLY SIMPLIFIED
d3.scaleLinear = function() {
var domain = [0, 1];
var range = [0, 1];
var scale = function(d) {
var t = (d - domain[0]) / (domain[1] - domain[0]);
return range[0] + t * (range[1] - range[0]);
};
scale.domain = function(_) { domain = _; return scale; };
scale.range = function(_) { range = _; return scale; };
scale.ticks = function(n) {
var ticks = [];
for (var i = 0; i <= n; i++) { var value = domain[0] + (domain[1] - domain[0]) * i / n; ticks.push(value); } return ticks; }; return scale; }; d3.axisLeft = function(scale) { return function(context) { // Simplified mock for context var g = document.createElementNS("http://www.w3.org/2000/svg", "g"); scale.ticks(5).forEach(function(tickValue) { var tick = document.createElementNS("http://www.w3.org/2000/svg", "g"); tick.setAttribute("transform", "translate(0," + scale(tickValue) + ")"); var line = document.createElementNS("http://www.w3.org/2000/svg", "line"); line.setAttribute("x2", -5); tick.appendChild(line); var text = document.createElementNS("http://www.w3.org/2000/svg", "text"); text.setAttribute("x", -8); text.setAttribute("dy", "0.32em"); text.textContent = tickValue.toFixed(1); // Format ticks tick.appendChild(text); g.appendChild(tick); }); // Return a mock object that the drawSvgChart function can use return { querySelector: function() { return g; }, querySelectorAll: function() { return g.children; } }; }; }; d3.axisRight = d3.axisLeft; // Mock axisRight using axisLeft d3.axisBottom = d3.axisLeft; // Mock axisBottom using axisLeft d3.curveMonotoneX = {}; // Mock curve type d3.line = function() { var x = function(d) { return d.x; }; var y = function(d) { return d.y; }; var curve = {}; // Mock curve var lineGenerator = function(data) { if (!data || data.length === 0) return ""; var path = "M" + x(data[0]); for (var i = 1; i < data.length; i++) { path += "L" + x(data[i]); } return path; }; lineGenerator.x = function(_) { x = _; return lineGenerator; }; lineGenerator.y = function(_) { y = _; return lineGenerator; }; lineGenerator.curve = function(_) { curve = _; return lineGenerator; }; return lineGenerator; }; }