Bra Size Calculator
Calculate bra size from band and bust measurements. International standards (US, UK, EU, India).
Recommended Bra Size
What is a Bra Size Calculator?
Bra size has two components: band size (under-bust) and cup size (bust-to-band difference). Calculator finds your correct size from measurements. Wearing wrong size causes discomfort, back pain, poor fit. Studies show 70-80% of women wear wrong bra size. Get fitted properly — international sizing varies (US/UK/EU/India).
How to use
- Measure under-bust — Tight tape around rib cage below bust
- Measure bust — Loose tape around fullest part
- Tool calculates — Band size from under-bust, cup from difference
- View all systems — US/UK/EU/India
Tips
- Wear unpadded bra or no bra for measurement
- Use flexible measuring tape
- Stand naturally, exhale before measuring
- Measure both morning and evening (size can change)
- Brand-specific size charts available for fine-tuning
FAQs
Why do bras feel different in same size?
Brand differences in cup shape, band elasticity, gore (center) width. Try multiple brands to find right fit.
When to resize?
Pregnancy/postpartum, weight change of 5+ kg, breastfeeding, menstrual cycle (small variations). Every 1-2 years anyway.
India vs US sizes?
Often same numbering (34, 36, 38 etc.) with same cups. UK uses similar bands but cup letter sequence differs above DD.