Victoria’s Secret Bra Size Calculator
Find your perfect fit and embrace comfort and confidence. This calculator helps you determine your bra size based on the popular Victoria’s Secret fitting method.
Select the unit you used for your measurements.
Wrap a tape measure snugly around your ribcage, just under your bust. Keep the tape parallel to the floor.
Measure loosely around the fullest part of your chest, keeping the tape straight across your back.
What is a Victoria’s Secret Bra Size Calculator?
A Victoria’s Secret bra size calculator is a tool designed to help you find your most accurate bra size based on a specific measurement method popularized by the brand. While many lingerie brands have their own variations, the Victoria’s Secret method is one of the most well-known. It involves taking two key measurements: your band size (around the ribcage) and your bust size (around the fullest part of your chest). This calculator uses those inputs to suggest a starting bra size, helping to solve the common problem where an estimated 70-85% of women wear the wrong size. A proper fit is crucial not just for comfort, but for providing the right support, improving posture, and ensuring your clothes look their best.
Victoria’s Secret Bra Size Formula and Explanation
The calculation for your bra size is a two-step process. First, we determine your band size, and then we find your cup size. It’s a system of a number (the band) and a letter (the cup) that work together.
- Band Size Calculation: Measure snugly under your bust. Per the traditional Victoria’s Secret method, if the number is even, you add 4 inches. If it’s odd, you add 5 inches. This final number is your band size. However, many modern fitters (including some VS guides) now recommend simply rounding the raw measurement to the nearest even number. Our calculator uses a modern approach of rounding for a closer-to-the-body fit.
- Cup Size Calculation: Subtract your final band size from your full bust measurement. The difference in inches corresponds to a letter.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Band Measurement | The measurement in inches or cm around your ribcage, just under the bust. | in / cm | 26 – 48 in |
| Bust Measurement | The measurement in inches or cm around the fullest part of your bust. | in / cm | |
| Bust – Band Difference | The difference between the bust measurement and the *final* calculated band size. | inches | 0 – 8+ inches |
| Cup Size | The letter corresponding to the difference (0″=AA, 1″=A, 2″=B, 3″=C, etc.). | Letter (A-G) | AA, A, B, C, D, DD, etc. |
Practical Examples
Example 1: A Common Size
- Inputs:
- Band Measurement: 30 inches
- Bust Measurement: 35 inches
- Unit: Inches
- Calculation:
- Final Band Size: 30 is rounded to 34 (traditional method) or stays at 30, then rounded to 34. A modern fit would use 30 and round to 34. Let’s use the +4 method: 30 + 4 = 34.
- Cup Difference: 35 inches (Bust) – 34 inches (Band) = 1 inch.
- Results:
- Recommended Size: 34A
Example 2: Using Centimeters
- Inputs:
- Band Measurement: 83 cm
- Bust Measurement: 99 cm
- Unit: Centimeters
- Calculation:
- Convert to Inches: 83cm ≈ 32.7 in (Band), 99cm ≈ 39 in (Bust).
- Final Band Size: 32.7 is rounded to 33, +5 = 38 (traditional method). A modern fit would use 32.7 and round to 36. Let’s use the modern approach: round 32.7 to 36.
- Cup Difference: 39 inches (Bust) – 36 inches (Band) = 3 inches.
- Results:
- Recommended Size: 36C
How to Use This Victoria’s Secret Bra Size Calculator
Using our calculator is a simple process designed to give you a reliable starting point for your bra size journey.
- Select Your Unit: First, choose whether you measured yourself in inches or centimeters from the dropdown menu.
- Enter Band Measurement: Input the number from your under-bust measurement into the first field. Make sure it was a snug measurement.
- Enter Bust Measurement: Input the number from your full-bust measurement into the second field. This should be a looser measurement.
- Review Your Results: The calculator will instantly display your recommended bra size, your calculated band and cup, and potential sister sizes.
- Interpret the Results: Use this size as your starting point when trying on bras. Remember that different styles and brands can fit differently, so you may need to adjust. Check out our guide to bra styles for more info.
Key Factors That Affect Victoria’s Secret Bra Size
Your bra size isn’t static; it can change frequently! Several factors can influence the fit of your bra.
- Weight Fluctuations: Gaining or losing even a small amount of weight can change both your band and cup size.
- Hormonal Changes: Monthly cycles, pregnancy, and menopause can all cause your bust size to change.
- Bra Style: A plunge bra, a full-coverage bra, and a T-shirt bra in the same size can all fit differently due to their construction. See our bra fitting guide for more details.
- Brand Inconsistencies: Just like with clothing, bra sizing can vary between different brands. A 34C in one brand might fit like a 34D in another.
- Age of Bra: Over time, a bra’s band and straps lose elasticity. A bra that fit perfectly a year ago may now be too loose, meaning it’s time for a new one.
- Breast Shape: Your shape (e.g., round, slender, teardrop) can affect how you fill out a cup. Some styles work better for certain shapes.
Frequently Asked Questions (FAQ)
How often should I measure my bra size?
It’s a good idea to remeasure your bra size every 6 to 12 months. Your body can change due to weight fluctuations, hormonal shifts, or new exercise routines, so regular check-ins ensure you’re always wearing the most supportive size.
What are “sister sizes”?
Sister sizes are alternative bra sizes where the cup volume is the same. The rule is: if you go up one band size, you go down one cup size, and vice-versa. For example, if a 34C feels too tight in the band, you could try its sister size 36B. Our calculator provides your closest sister sizes to give you more options. See our full guide to sister sizes.
What if my straps are digging in or slipping off?
If your straps are digging in, it often means your band is too loose and not providing enough support, forcing the straps to do all the work. Try a smaller band size (and go up a cup size). If straps are slipping, they may be too loose or stretched out, or the bra style may not be right for narrow shoulders.
What does it mean if my bra cups are gaping?
Gapping at the top of the cup usually means the cup size is too large. Try going down a cup size. It can also happen if the bra style doesn’t match your breast shape; a plunge or demi-cup bra might work better than a full-coverage style.
What is the “quad-boob” effect?
This happens when your breast tissue spills over the top of the cups, indicating the cup size is too small. To fix this, you should go up one or more cup sizes while keeping the band size the same.
How should the bra band fit?
The band provides about 80% of a bra’s support. It should be snug, level all the way around your back, and you should be able to fit no more than two fingers underneath it. If it rides up, the band is too big.
Can I measure myself without a measuring tape?
Yes, it’s possible! You can use a piece of string, a phone charging cable, or a ribbon. Wrap it around yourself as you would a tape measure, mark the spots, and then measure the string with a ruler. It’s less accurate but can give you a good estimate.
Why does the underwire dig into my chest?
This can happen for a few reasons: the band might be too tight, or the cup size might be too small, causing the wire to sit on your breast tissue instead of flat against your ribcage. Trying a larger cup size or a different style could solve the issue.