This calculator estimates bra size based on bust size and band size frame size. When you go up or down your bra size the cup size also differs.
Tighten the measuring tape a little and round the measurement up or down to the next full number.
Bra cup size calculator cm. Move the slider to that position. What is the result of subtraction. The circumference in the bust minus the circumference under the bust equals the subtraction result and the selection of the correct bra cup.
It is a bit trickier to calculate your cup size because the size of your breasts will vary due to several factors. It is easier to determine your band size first and then map it to your cup size. To ensure accuracy measure to the nearest inch or cm.
This is known to be the most effective and reliable way of measuring a good bra size. Round up to 73 cm if you have measured 72 8 cm or round down to 72 cm if the measurement shows 72 2 cm 3. Allow your arms to hang down naturally and breathe as usual.
If you want a smaller size go for 32c. Measure your bust to the fullest section of your bust to measure the cup size with measuring tape parallel to the floor. This calculator provides results for the united states the united kingdom european union france belgium spain australia and new zealand.
For example if your size is 34b a bigger size for you would be 36a. If you have 82 cm in the circumference under the bust you subtract 3 comes out 79 so you round to 80 your size under the bust is 80.