How to measure
Getting accurate measurements is key to finding your perfect fit. Follow our step-by-step guide for the best results.
What you'll need
No measuring tape? Use a piece of string or ribbon, then measure it with a ruler.
Measurement guide

Underbust measurement
Wrap the measuring tape around your ribcage, just under your bust.
- • Keep the tape parallel to the floor
- • Make it snug but not tight
- • You should be able to breathe comfortably
- • Take the measurement at the end of a normal exhale
Bust measurement
Measure around the fullest part of your bust while standing straight.
- • Stand up straight with arms at your sides
- • Wrap tape around the fullest part
- • Keep the tape parallel to the floor
- • Don't pull the tape too tight
Pro tips for accurate measurements
Best time to measure
Measure in the morning or evening when you're most comfortable. Avoid measuring right after exercise or when bloated.
Get help if possible
Having someone help you measure can improve accuracy, especially for the bust measurement.
Consider your cycle
Breast size can fluctuate during your menstrual cycle. Measure mid-cycle for the most consistent results.
Common mistakes to avoid
Don't
Measuring over a padded or push-up bra
Do
Measure over a non-padded bra or braless
Don't
Pulling the tape too tight
Do
Keep the tape snug but comfortable
Don't
Measuring at an angle
Do
Keep the tape parallel to the floor
Don't
Measuring while holding breath
Do
Breathe normally and measure at exhale
Video guide
Watch our step-by-step video tutorial for visual guidance on taking accurate measurements.
Troubleshooting
Getting inconsistent measurements?
- • Take measurements 2-3 times and use the average
- • Measure at the same time of day
- • Ensure the tape isn't twisted
- • Ask someone to help if possible
Measurements seem off?
- • Check that you're measuring in the right places
- • Make sure you're standing straight
- • Don't hold your breath while measuring
- • Consider your menstrual cycle timing