How to Find Your Correct Bra Size: A Step-by-Step Fitting Guide

|LeStyleParfait
Measuring tape and bra fitting guide illustration for finding correct bra size

Our guide to bralettes vs. traditional bras only helps if you're starting from the right size. Studies consistently show most women wear the wrong bra size, so here's a simple, step-by-step way to measure yourself at home.

Step 1: Measure Your Band Size

Wrap a soft tape measure snugly around your ribcage, directly under your bust, keeping the tape level and parallel to the floor. Round to the nearest whole number, this is your band size.

Step 2: Measure Your Bust Size

Measure around the fullest part of your bust, keeping the tape level, while wearing a non-padded bra. Round to the nearest whole number.

Step 3: Calculate Your Cup Size

Subtract your band measurement from your bust measurement. Each inch of difference corresponds to a cup size (1 inch = A, 2 inches = B, and so on). Combine this with your band size for your full size, for example, 34B.

Step 4: Try It On and Adjust

Sizing varies between brands and styles, so always try a bra on before committing. The band should sit level and snug without riding up, and the cups should fully contain your bust with no spillage or gaping.

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Bra Size FAQ

How do I know if my bra size is wrong?

Common signs include straps that dig in or slip, a band that rides up your back, cups that gape or spill over, and the center gore not sitting flat against your chest. Any of these usually means it's time to re-measure.

How often should you measure your bra size?

Re-measure every 6 to 12 months, or after any significant weight change, pregnancy, or breastfeeding, since bra size can shift over time even without noticeable changes elsewhere.

Shop true-to-size styles in our bra collection, or read the full bralette vs. traditional bra guide at LeStyleParfait.

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