Sports Bra Size Calculator

Find the perfect sports bra for your activity level and body type. Get personalized recommendations for support level, sizing, and the best sports bra styles for your workout routine.

Calculate Your Sports Bra Size

Around ribcage, under bust

Around fullest part of bust

Sports Bra Sizing Guide

Key Differences

  • • Sports bras focus on compression and encapsulation
  • • Many use S/M/L sizing instead of cup sizes
  • • Support level varies by activity intensity
  • • Fit may be tighter than regular bras

Support Levels

Light Support

A/B cups, low-impact activities

Medium Support

B/C/D cups, moderate activities

High Support

D+ cups, high-impact activities

Measuring Tips

  • • Measure while wearing a regular, non-padded bra
  • • Pull tape snug but not tight
  • • Consider trying multiple sizes

Activity-Specific Tips

🏃 Running

Look for encapsulation styles with individual cups and adjustable straps for maximum support.

🧘 Yoga

Choose seamless, wireless styles that won't dig in during poses and stretches.

🏋️ Weight Training

Medium to high support with moisture-wicking fabric and a secure band for stability.

Sports Bra Size Conversion Chart

Regular Bra Size Sports Bra S/M/L Support Level Best For
30A, 32A, 34A XS Light-Medium Yoga, walking
32B, 34B, 36A S Light-Medium Low-medium impact
34C, 36B, 38A M Medium Cycling, dance
36C, 38B, 40A L Medium-High Most activities
38C, 40B, 42A XL High Running, HIIT
40C, 42B, 44A/B XXL High High impact
38D+, 40C+, 42C+ See Traditional Sizing High/Maximum Cup-sized sports bras recommended

*Sizing can vary significantly between brands. Always check individual brand sizing charts.

Share This Calculator

Help others find this useful tool by sharing it on social media!