Skims Bra Size Calculator: Find Your Perfect Fit


Skims Bra Size Calculator

Finding the perfect bra size can be a game-changer for comfort and confidence. Our Skims bra size calculator helps you pinpoint the right fit based on simple measurements. Whether you’re new to bra shopping or looking for a precise size for Skims’ unique styles, this tool is designed for you.

Skims Bra Size Calculator



Measure snugly around your rib cage, directly under your bust. Keep the tape measure level.


Measure loosely around the fullest part of your bust, over your nipples. Keep the tape measure level.


Some styles may fit slightly differently. Select the closest style for potential minor adjustments.


Your Skims Bra Size

Enter your measurements to find your size.



How it works: We first determine your band size by your underbust measurement. Then, the difference between your bust and band measurements gives us your cup size. Finally, we offer a slight adjustment suggestion based on the Skims bra style you select.

Understanding Bra Sizing Components

Band Size: The Foundation

Your band size is determined by the measurement around your ribcage, directly beneath your bust. This forms the supportive base of the bra. A correctly sized band should sit snugly and horizontally, allowing you to fit no more than two fingers underneath.

Cup Size: The Volume

The cup size represents the volume needed to accommodate your breasts. It’s calculated by the difference between your bust measurement (around the fullest part) and your band measurement. Each inch of difference typically corresponds to a cup letter (A, B, C, etc.).

The Skims Difference: Style & Fit

Skims is known for its innovative designs, focusing on comfort and a smooth silhouette. Different styles, like balconette, plunge, or full coverage, might require slight adjustments to achieve the optimal fit. While our calculator provides a strong starting point, understanding these nuances ensures you get the best possible feel and support.

Standard Bra Size Chart

Typical Band and Cup Size Guide
Band Size (US) Band Measurement (in) Bust Measurement (in) Cup Size (US)
28 27.5 – 28.5 30.5 – 31.5 A
30 29.5 – 30.5 32.5 – 33.5 A
32 31.5 – 32.5 34.5 – 35.5 A
34 33.5 – 34.5 36.5 – 37.5 A
28 27.5 – 28.5 31.5 – 32.5 B
30 29.5 – 30.5 33.5 – 34.5 B
32 31.5 – 32.5 35.5 – 36.5 B
34 33.5 – 34.5 37.5 – 38.5 B
36 35.5 – 36.5 39.5 – 40.5 B
28 27.5 – 28.5 32.5 – 33.5 C
30 29.5 – 30.5 34.5 – 35.5 C
32 31.5 – 32.5 36.5 – 37.5 C
34 33.5 – 34.5 38.5 – 39.5 C
36 35.5 – 36.5 40.5 – 41.5 C
38 37.5 – 38.5 42.5 – 43.5 C
30 29.5 – 30.5 35.5 – 36.5 D
32 31.5 – 32.5 37.5 – 38.5 D
34 33.5 – 34.5 39.5 – 40.5 D
36 35.5 – 36.5 41.5 – 42.5 D
38 37.5 – 38.5 43.5 – 44.5 D
40 39.5 – 40.5 45.5 – 46.5 D
32 31.5 – 32.5 38.5 – 39.5 DD/E
34 33.5 – 34.5 40.5 – 41.5 DD/E
36 35.5 – 36.5 42.5 – 43.5 DD/E
38 37.5 – 38.5 44.5 – 45.5 DD/E
40 39.5 – 40.5 46.5 – 47.5 DD/E

Note: This is a general guide. Skims sizing may vary slightly. Always refer to Skims’ specific size charts.

Band vs. Bust Measurement Comparison

This chart visually represents how varying band and bust measurements relate to potential cup sizes. Observe how a larger difference between bust and band measurements generally indicates a larger cup size for a given band.

How to Use This Skims Bra Size Calculator

  1. Measure Your Band: Wearing a non-padded bra, use a soft measuring tape to measure around your ribcage just below your bust. Ensure the tape is snug and level. Record this number in inches.
  2. Measure Your Bust: Measure around the fullest part of your bust, typically over your nipples. Keep the tape measure level but not tight. Record this number in inches.
  3. Select Bra Style: Choose the Skims bra style you are interested in from the dropdown menu. This helps fine-tune the recommendation slightly.
  4. Calculate: Click the “Calculate Size” button.
  5. Interpret Results: The calculator will display your estimated Skims band size, cup size, and any style adjustments. Use the intermediate values and the formula explanation to understand the sizing.
  6. Refine and Adjust: If the initial result feels slightly off, consider the “style adjustment” or refer to the standard bra size chart. Sometimes a half-size difference can make a significant impact.

Decision Making: Use the calculated size as your primary guide. If you are between sizes, consider factors like fabric stretch and personal preference (tighter vs. looser fit). For Skims’ seamless designs, an exact fit is crucial for comfort.

Key Factors That Affect Bra Fit

  • Measurement Accuracy: Ensure your measurements are taken correctly and consistently. A tape measure that’s too loose or too tight will skew results.
  • Body Shape Variations: Different body shapes and breast tissue densities can influence fit. Our calculator provides a standardized result, but individual variations exist.
  • Band vs. Bust Ratio: The relationship between your band and bust measurements is key. A band that’s too loose or too tight will cause the cups to fit incorrectly, even if the cup size calculation seems right.
  • Bra Construction: The way a bra is designed (e.g., underwire, padding, seam placement, fabric stretch) significantly impacts its fit and feel. Skims focuses on seamless, soft construction which can feel different from traditional bras.
  • Weight Fluctuations: Small changes in weight can affect both band and bust measurements, potentially requiring a different bra size. Regular re-measurement is advised.
  • Age and Hormonal Changes: Factors like aging, pregnancy, or hormonal shifts can cause changes in breast size and shape, necessitating updated measurements.
  • Inflation: While not directly affecting your body’s measurements, inflation impacts the overall cost of apparel, making it even more important to get the right fit the first time to avoid unnecessary returns or exchanges. Understanding value and fit is key.
  • Undergarment Choice: The type of bra you wear (e.g., seamless, t-shirt, sports bra) affects comfort and support. Skims offers various types, each with its own fit characteristics.

Frequently Asked Questions (FAQ)

Q: How often should I measure my bra size?

A: It’s recommended to measure yourself at least every 6-12 months, or whenever you notice a change in your body shape or your current bras don’t fit comfortably.

Q: My band size seems small/large. What should I do?

A: Ensure your band measurement was snug. If it still feels off, try the next size up or down in band size and see if the corresponding cup size fits better. For example, if you measured a 34 band but it feels tight, try a 36 band and adjust the cup size calculation.

Q: What if I’m between cup sizes?

A: If you’re between sizes, consider the bra style. A more flexible fabric or a plunge style might accommodate a slightly larger cup, while a structured full-coverage bra might fit better in the smaller size.

Q: Does Skims sizing differ from other brands?

A: Yes, while many brands follow similar fundamental sizing principles, there can be variations in band fit, cup depth, and overall shape. Skims’ focus on specific materials and seamless construction means their fit might feel unique.

Q: Can I use this calculator if I’m pregnant or breastfeeding?

A: During pregnancy and breastfeeding, your bra size can fluctuate significantly. While this calculator can provide a temporary starting point, it’s best to get professionally fitted, as your needs will likely change.

Q: How do I know if my band is too loose?

A: If your band rides up your back, if you can easily pull it away from your body, or if your straps are constantly slipping, your band is likely too loose.

Q: What are the advantages of a well-fitting bra from Skims?

A: A well-fitting Skims bra provides comfort, support, and creates a smooth, seamless look under clothing. It enhances confidence and ensures the garment functions as intended.

Q: How does the “style adjustment” work?

A: Certain bra styles are designed for different purposes. For example, a plunge bra offers less coverage and may feel slightly different than a full-coverage style. The adjustment is a minor tweak suggestion based on typical fit variations for that style.

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