Calculate Your Bra Size In 3 Easy Steps

Step 1. Measure for Band Size

  1. Measure your underbust using a tape measure, making sure the tape is parallel with the ground. It should not be loose or binding. Exhale to get the smallest measurement possible.
  2. Find your number (centimeters) and find it in the document below. Be sure to round all fractional measurements to the nearest whole number.

Step 2. Measure for Cup Size

  1. While wearing a non-padded bra, stand straight with your arms at your sides and measure the fullest part of your bust. Make sure the measuring tape is parallel with the ground and not loose or binding.
  2. Find your number (centimeters) and find it in the document below. Again, round all fractional measurements to the nearest whole number.

Step 3. Find your Size

  1. Use the documents below and the measurements you have made to find your correct bra size.