How to Measure Your Bra Size
Getting the perfect fit starts with two simple measurements: underbust and bust. Follow this guide carefully to ensure accurate results.
Step 1: Measure Your Underbust (Band)
1
Place the tape under your bust
Wrap the measuring tape directly under your bust where your bra band normally sits.
Wrap the measuring tape directly under your bust where your bra band normally sits.
2
Keep it level
Make sure the tape is straight and parallel to the floor all the way around.
Make sure the tape is straight and parallel to the floor all the way around.
3
Snug but comfortable
Pull the tape firmly so it feels secure, but not tight or painful.
Pull the tape firmly so it feels secure, but not tight or painful.
Write down this measurement in centimeters. This determines your band size.
Step 2: Measure Your Bust (Cup)
1
Measure the fullest part
Wrap the tape around the fullest part of your bust, usually across the nipples.
Wrap the tape around the fullest part of your bust, usually across the nipples.
2
Stand naturally
Relax your shoulders and avoid puffing your chest.
Relax your shoulders and avoid puffing your chest.
3
Keep the tape level
Ensure the tape stays horizontal around your back.
Ensure the tape stays horizontal around your back.
Write down this number in centimeters. This determines your cup size.
Common Measuring Mistakes
- Measuring over a padded bra
- Holding the tape too loose or too tight
- Letting the tape slope up or down at the back
- Taking measurements while bending forward
Next Step: Calculate Your Size
Now that you have your measurements, use our bra size calculator below to find your correct size in UK • US • CN formats.