Our handy bra size calculator helps you avoid confusing numbers and charts by providing you with an accurate bra size in 3 easy steps. Get your measuring tape ready and let's begin!

bra size calculator for international conversions, including US, European, Japanese, Chinese and Korean sizing

Exhale thoroughly, and wrap the measuring tape around your ribcage under your bust. The tape should be parallel to the ground. Round the measurement to the nearest whole number

Stand straight and measure the fullest part of your bust, passing through the nipples. You should be taking the measurement without a bra or with a non-padded bra if needed. The tape should be parallel to the ground and secure but not binding.

JP/EU ___

We use JP/EU sizing.

US ___


Panty Sizing

Panty Size Matching Bra Band Size Fits Hips Up to
S-M 32/70 88 cm (34.6 in)
S-M 34/75 94 cm (37 in)
M-L 36/80 100 cm (39.3 in)
L-XL 38/85 105 cm (41.3 in)
XL-XXL 40/90+ 110 cm (43.3 in)

Much ♥ to @Detmud & @MamsellChaos for the bra size calculator code.