EVE Blueprint Calculator

Calculate manufacturing costs, profit margins, and time requirements for your EVE Online production.

Blueprint Cost & Profit Estimator

What is an EVE Blueprint Calculator?

The EVE Blueprint Calculator is an indispensable tool for any EVE Online industrialist focused on manufacturing. It allows players to precisely estimate the costs associated with producing items using blueprints, compare those costs against market prices, and project potential profit margins. In the complex economy of EVE Online, understanding the true cost of production, including material waste from blueprints and time investment, is critical for making profitable decisions.

This calculator helps players by taking into account various factors specific to EVE’s manufacturing system: the blueprint’s inherent material and time requirements, efficiency bonuses from skills and facilities (Material Efficiency – ME, Time Efficiency – TE), and the player’s available industry job slots. It translates these in-game mechanics into tangible ISK figures and timeframes, empowering players to determine if a particular manufacturing venture is worthwhile.

Who should use it:

• New and experienced players looking to enter or optimize their manufacturing operations.
• Corporations managing industrial production for their members.
• Players assessing the profitability of researching blueprints.
• Anyone wanting to understand the economics behind item creation in EVE Online.

Common misconceptions about EVE manufacturing profitability:

• Ignoring ME/TE: Many new players assume the blueprint’s listed material cost is the final cost, forgetting that ME reduces this. Similarly, TE significantly impacts how quickly you can produce items.
• Overestimating Sell Prices: Market prices fluctuate. Relying on outdated or optimistic sell prices can lead to losses.
• Underestimating Time Investment: Production time, even with TE, can be substantial, tying up valuable industry slots. The calculator helps quantify this.
• Not accounting for Skills/Facilities: Bonuses from skills and player-owned structures are crucial for maximizing profit and should not be overlooked. The EVE Blueprint Calculator incorporates these bonuses.

EVE Blueprint Calculator Formula and Mathematical Explanation

The core of the EVE Blueprint Calculator lies in accurately modeling the manufacturing process within EVE Online. The formulas aim to provide a clear picture of the net cost and potential returns.

1. Adjusted Material Cost

This represents the actual ISK spent on materials after factoring in blueprint efficiency and bonuses.

Formula: Adjusted Material Cost = Base Material Cost * Material Efficiency * Skills Multiplier

2. Production Time Per Unit

This calculates the actual time required to build one unit of the item, considering time efficiency and bonuses.

Formula: Production Time Per Unit = Base Production Time * Time Efficiency * Skills Multiplier

3. Profit Per Unit

The difference between the selling price and the adjusted cost of production.

Formula: Profit Per Unit = Market Sell Price - Adjusted Material Cost

4. Units Per Day

Estimates how many units can be produced within a 24-hour period, considering production time and available job slots.

Formula: Units Per Day = FLOOR(24 Hours / Production Time Per Unit)

This value is then limited by the number of available job slots. The calculator determines the number of jobs that can be completed within 24 hours.

5. Profit Per Job Slot (per 24h)

This calculates the profit generated by a single industry job slot over a 24-hour period.

Formula: Profit Per Job Slot = Profit Per Unit * Number of Units Produced in 24h by one Job Slot

Note: If Production Time Per Unit is less than 24 hours, a single job slot can potentially complete multiple units. The number of units is capped by the 24h calculation.

6. Final Profit (Net Profit)

The overall estimated profit considering all factors. For simplicity in this calculator, we display the profit per unit prominently, and also calculate profit generated considering job slots and daily output.

Formula: Final Profit = Profit Per Unit (This is the primary displayed profit, representing the profitability of each individual item.

A more comprehensive profit calculation would factor in total daily output across all slots: Total Daily Profit = Profit Per Unit * Units Per Day * Job Slots, but the core profitability is derived from the per-unit profit.

Variables Table

Variable	Meaning	Unit	Typical Range / Notes
Base Material Cost	Total ISK cost of raw materials listed on the blueprint.	ISK	Varies widely depending on the item.
Material Efficiency (ME)	Reduces the amount of raw materials required. Higher ME = less materials.	Decimal (e.g., 0.9 for 90%)	Base 1.0. Tech 1 Blueprints can be researched up to ME 10. Tech 2 Blueprints have a maximum ME reduction of 10% (effective multiplier of 0.9).
Time Efficiency (TE)	Reduces the production time required. Higher TE = faster production.	Decimal (e.g., 0.5 for 50% reduction)	Base 1.0. Tech 1 Blueprints can be researched up to TE 20 (effective multiplier of 0.8). Tech 2 Blueprints have a maximum TE reduction of 20% (effective multiplier of 0.8).
Skills Multiplier	Combined bonus from relevant industry skills and facility bonuses (e.g., Starbase, NPC station bonus).	Decimal (e.g., 0.85 for 15% reduction)	Typically between 0.7 and 0.9 depending on skills and facility. Lower is better.
Base Production Time	The default time to build one unit, as stated on the blueprint.	Hours	Varies widely.
Market Sell Price	The projected selling price of the finished item on the EVE market.	ISK	Highly variable based on item demand and supply. Check current market data.
Job Slots	Number of concurrent manufacturing jobs allowed.	Integer	Minimum 1. Can be increased by skills and corporation standing.

Practical Examples (Real-World Use Cases)

Example 1: Manufacturing a Tech 1 Frigate (e.g., Tristan)

A player wants to manufacture Tristan frigates for sale. They have a base blueprint.

Inputs:

• Blueprint Name: Tristan Blueprint
• Material Efficiency (ME): 7 (translates to 0.85 multiplier)
• Time Efficiency (TE): 15 (translates to 0.92 multiplier)
• Base Material Cost: 1,200,000 ISK
• Base Production Time: 3 Hours
• Estimated Market Sell Price: 1,500,000 ISK
• Available Industry Job Slots: 3
• Skills and Facility Bonus Multiplier: 0.85 (representing good skills and a decent facility bonus)

Calculations:

• Adjusted Material Cost = 1,200,000 * 0.85 * 0.85 = 867,000 ISK
• Production Time Per Unit = 3 * 0.92 * 0.85 = 2.346 Hours
• Profit Per Unit = 1,500,000 – 867,000 = 633,000 ISK
• Units Per Day Per Slot = FLOOR(24 / 2.346) = 10 units
• Profit Per Job Slot (24h) = 633,000 * 10 = 6,330,000 ISK

Interpretation: This manufacturing run looks highly profitable. Each Tristan built costs ~867k ISK in materials and takes ~2.35 hours. With 3 job slots, the player can expect to earn over 18 million ISK per day from this blueprint, assuming they can consistently sell the frigates at 1.5M ISK.

Example 2: Manufacturing a Tech 2 Cruiser (e.g., Oracle)

A player is using a Tech 2 blueprint for the Oracle, a common combat cruiser.

Inputs:

• Blueprint Name: Oracle Blueprint (T2)
• Material Efficiency (ME): 0 (T2 BPCs start at ME 0, max reduction is 10% = 0.9 multiplier)
• Time Efficiency (TE): 10 (T2 BPCs start at TE 0, max reduction is 20% = 0.8 multiplier)
• Base Material Cost: 5,000,000 ISK
• Base Production Time: 10 Hours
• Estimated Market Sell Price: 6,500,000 ISK
• Available Industry Job Slots: 5
• Skills and Facility Bonus Multiplier: 0.80 (representing excellent skills and a top-tier facility)

Calculations:

• Adjusted Material Cost = 5,000,000 * 0.9 * 0.80 = 3,600,000 ISK
• Production Time Per Unit = 10 * 0.8 * 0.80 = 6.4 Hours
• Profit Per Unit = 6,500,000 – 3,600,000 = 2,900,000 ISK
• Units Per Day Per Slot = FLOOR(24 / 6.4) = 3 units
• Profit Per Job Slot (24h) = 2,900,000 * 3 = 8,700,000 ISK

Interpretation: This T2 cruiser manufacturing is profitable, yielding ~2.9M ISK per ship. While the profit per unit is substantial, the longer production time means fewer units are made per day per slot compared to T1 items. With 5 job slots, the player could potentially net over 43 million ISK daily. It’s crucial to verify market demand and sell prices regularly for T2 items, as they often involve larger capital outlays and longer sell times.

How to Use This EVE Blueprint Calculator

Using the EVE Blueprint Calculator is straightforward. Follow these steps to get accurate manufacturing cost and profit estimates:

1. Enter Blueprint Name: Type the name of the blueprint you are using for easy reference in the results.
2. Input Efficiency Values:
   • Material Efficiency (ME): Enter the ME level of your blueprint. Remember to convert it to a multiplier: 1.0 – (ME_level / 10) for Tech 1 blueprints, or use 0.9 if it’s a Tech 2 blueprint (max 10% reduction).
   • Time Efficiency (TE): Enter the TE level. Convert to a multiplier: 1.0 – (TE_level / 100) for Tech 1 blueprints, or use 0.8 if it’s a Tech 2 blueprint (max 20% reduction).
3. Input Base Costs and Time:
   • Base Material Cost: Find the total ISK cost of raw materials listed on the blueprint itself.
   • Base Production Time: Find the base time required to build the item from the blueprint.
4. Estimate Market Price: Enter the current average selling price for the finished item on your region’s market. Check EVE market data sites for accuracy.
5. Enter Production Capacity:
   • Available Industry Job Slots: Input how many manufacturing jobs you can run simultaneously.
   • Skills and Facility Bonus Multiplier: Enter the combined reduction multiplier from your relevant skills and the manufacturing facility you are using. A lower number means better bonuses (e.g., 0.85 for a 15% reduction).
6. Click Calculate: The calculator will process your inputs.

How to read results:

• Main Result (Final Profit): This is the estimated profit per unit sold. A positive number indicates profitability.
• Adjusted Material Cost: The true ISK cost of materials for one unit after all reductions. Compare this to the market sell price.
• Production Time Per Unit: How long it takes to build one item. Essential for planning production runs and calculating daily output.
• Total Profit Per Job Slot: The estimated profit generated by one concurrent job slot over a 24-hour period. Useful for comparing the efficiency of different BPCs.
• Units Per Day: The maximum number of units you can produce in 24 hours across all your available job slots.

Decision-making guidance:

• If the Final Profit is positive and meets your target profit margin, the venture is likely worthwhile.
• If the Adjusted Material Cost is close to or exceeds the Market Sell Price, the item is likely unprofitable to manufacture.
• Consider the Production Time Per Unit and Units Per Day to assess if the output volume meets your needs and market demand.
• Always factor in potential market fluctuations, broker fees, and taxes when making final decisions. The EVE Blueprint Calculator provides an estimate; real-world results may vary.

Key Factors That Affect EVE Blueprint Calculator Results

Several critical factors significantly influence the accuracy and outcome of the EVE Blueprint Calculator. Understanding these elements is key to successful industrial planning:

1. Blueprint Material Efficiency (ME): This is arguably the most impactful factor for cost reduction. Every point of ME on a Tech 1 blueprint directly reduces the raw material cost. For Tech 2 blueprints, the maximum achievable ME reduction (typically 10%) is vital. A higher ME (lower decimal multiplier) directly translates to lower adjusted material costs and higher profits.
2. Blueprint Time Efficiency (TE): Faster production means more items can be built within the same timeframe, especially critical when running multiple job slots. Higher TE (lower decimal multiplier) reduces production time, allowing for greater throughput and potentially higher daily profits, particularly for high-volume T1 items.
3. Market Sell Price Fluctuations: EVE’s economy is dynamic. The projected selling price is a snapshot; actual market prices can change rapidly due to supply and demand, player events, or market manipulation. Relying on an optimistic or outdated sell price can turn a profitable calculation into a loss. Always use current, realistic market data.
4. Skills and Facility Bonuses: Player skills (like Advanced Industrial Ship Manufacturing, Mass Production) and bonuses from Tech 2 Player-Owned Structures (POS modules or Engineering Complexes) significantly reduce both material and time costs. The combined multiplier (represented by the ‘Skills Multiplier’ input) is crucial for profitability, especially in high-end manufacturing.
5. Industry Job Slot Availability: The number of concurrent manufacturing jobs a player or corporation can run directly scales the potential daily profit. A highly profitable blueprint yielding little profit per slot might still be lucrative if enough job slots are available to maximize daily output. Conversely, a low-profit-per-unit item might be unviable if only one job slot is available.
6. Raw Material Costs: While the calculator uses the ‘Base Material Cost’ provided by the blueprint, the actual cost of acquiring those raw materials can fluctuate. If players need to mine or buy materials from the market, their acquisition cost is a significant part of the overall production expense and needs to be factored in. The calculator assumes materials are acquired at the stated ‘Base Material Cost’.
7. Market Demand and Sales Velocity: Even if a calculation shows high profit potential, if there’s no demand for the item, it won’t sell. Understanding how quickly an item sells on the market is as important as its profit margin. Low sales velocity might tie up capital and industry slots, reducing overall profitability.
8. Broker Fees and Sales Tax: Selling items on the market incurs fees (broker fees) and taxes. These reduce the net ISK received from a sale and must be accounted for when calculating final profit. This calculator provides gross profit before these deductions.

Frequently Asked Questions (FAQ)

Q1: What is the difference between ME and TE on a Tech 2 blueprint?

Tech 2 blueprints start with ME 0 and TE 0. They can be researched to improve efficiency. Max ME for T2 is a 10% material reduction (multiplier of 0.9), and max TE is a 20% time reduction (multiplier of 0.8). Unlike T1, you cannot research T2 blueprints indefinitely; they have fixed maximums.

Q2: Do I need to research my blueprints before using the calculator?

Yes, the calculator assumes you are using the current ME and TE levels of your blueprint. Input the researched values (or starting values if unresearched) into the ME and TE fields. Higher researched values generally lead to better profitability.

Q3: How do I find the “Skills and Facility Bonus Multiplier”?

This is calculated based on your character’s relevant industry skills (e.g., <:a href='#' data-internal-link="industry_skills">Industry, Mass Production) and the bonuses provided by the manufacturing facility (e.g., NPC stations, Player-Owned Structures like Engineering Complexes). A common multiplier for good skills in a T2 structure might be around 0.85 (15% reduction). Check EVE University or reliable industry guides for specific skill/facility bonus percentages.

Q4: Can this calculator predict long-term market trends?

No, the EVE Blueprint Calculator provides an estimate based on current inputs. EVE’s market is volatile. It’s essential to monitor market trends and re-evaluate profitability regularly. Use external market analysis tools for trend prediction.

Q5: What if I’m using Copy Blueprints (BPCs)?

For Copy Blueprints (BPCs), you need to know the number of runs remaining on the copy. The calculator estimates profit per *single item* produced. If a BPC has 5 runs left, and each run produces one item, you can multiply the “Profit Per Unit” by 5 to get the total profit from that specific BPC, assuming all conditions remain the same.

Q6: How do broker fees and taxes affect my profit?

The calculator shows gross profit. Broker fees (typically 1-5%) and regional sales taxes (typically 3-11%) are deducted from the sell price *before* you receive the ISK. You must subtract these from the calculated profit for your net return. For example, if your profit is 1,000,000 ISK and taxes/fees total 4%, your net profit is 960,000 ISK.

Q7: Is it always better to maximize ME and TE?

Generally, yes. Higher ME reduces costs, and higher TE increases throughput. However, researching blueprints costs time and ISK. You need to balance the research cost against the potential profit increase. The calculator helps determine if the investment in research will pay off.

Q8: How does this relate to invention?

Invention is the process of creating Tech 2 blueprints from Tech 1 blueprints. This calculator is used *after* invention, to determine the profitability of manufacturing the resulting Tech 2 item. Invention itself has its own probabilities and costs which are outside the scope of this specific calculator.