Fall Style Notes
Layer soft knits, richer neutrals and polished texture.Try earth tones with one berry accent near the face.A light third layer can make a simple outfit feel finished.Mix suede, knit and smooth fabric for quiet depth.Layer soft knits, richer neutrals and polished texture.Try earth tones with one berry accent near the face.A light third layer can make a simple outfit feel finished.Mix suede, knit and smooth fabric for quiet depth.
STYLE TOOL · FIT STARTER

Bra Size Calculator

Estimate a practical US starting size from two measurements, then confirm it with a real fit check.

PRIVATE STYLE GUIDE Runs in your browser · no signup
Your personalised style guide

READ THE RESULT WITH CONTEXT

Use the recommendation as a styling direction. Fabric, fit, comfort, culture, occasion and personal taste can change the best choice.

START HERE

Use the interactive guide below as a private starting point. No measurement is stored or submitted by this calculator.

HOW TO USE THIS TOOL

Measure under the bust snugly and the full bust at the fullest point. Use the same unit and avoid padding or bulky clothing during measurement.

01UNDERBUST02BUST03CUP
Use this as a visual prompt—not a rule.

Finding a comfortable bra starting point

A calculator narrows the shopping search; it cannot replace a real fit check. Band tension, cup volume, breast shape, style construction and stretch can all change how the same nominal size feels.

Explore next: Body Shape Calculator Neckline Matcher

Measure the underbust

Place the tape directly beneath the bust where the band will sit. Keep it horizontal and comfortably snug. Do not pull the tape so hard that it digs into the body.

Measure the full bust

Measure around the fullest part while wearing a light, unpadded bra or a thin fitted layer. Keep the tape level and stand normally.

Check three fit zones

The band should sit level and feel secure. The cups should contain the bust without cutting in or leaving obvious gaps. Straps should support without carrying all the tension.

Use sister sizes when the fit is close

If cup volume seems right but the band is not, test a sister size as a next shopping experiment. Brand grading is different, so confirm with the brand’s own chart.

Fit note: comfort, returnability and the specific bra design matter more than protecting one calculator label.

QUESTIONS, ANSWERED

Frequently Asked Questions

Is this a guaranteed bra size?

No. It is a US starting point. Brand grading, bra style, breast shape and fit preference can change the best size.

What is a sister size?

A sister size keeps a similar cup volume while changing the band. It can be useful when the cup feels close but the band needs adjustment.

How should the band fit?

A new bra should feel secure and sit level on the loosest hook without digging. The cups and straps should also work together.

KEEP EXPLORING

More styling tools

Body Shape CalculatorFind your proportions and explore silhouettes that create the line you want.Dress Size ConverterConvert a familiar dress size into a practical US, UK or EU shopping starting point.Shoe Size ConverterTranslate a shoe size across popular regions, then check width and toe room.Ring Size CalculatorConvert a finger circumference or inside diameter into a ring-size starting point.Body Frame Size CalculatorUse height and wrist size as a scale guide for accessories and silhouettes.Waist-to-Hip RatioCalculate one simple proportion reference and translate it into styling ideas.