Bra Size Calculator
Bra Size Calculator
Calculator
Bra size calculatorAdvanced bra size calculatorCalculator in inchesSister size calculator
Sizes
All bra sizesB cup sizeC cup size34C bra sizeMeasure band sizeMeasure cup size
Learn
Measurement guidesFit problemsCompare sizesBreast shapesBrand sizingOutfit guidesHow to measure bra sizeMeasure without a bra
Charts
Find a chartChoose the sizing system on the tag.
All
๐Ÿ‡บ๐Ÿ‡ธUS bra size chartInch bands and DD/DDD cups๐Ÿ‡ฌ๐Ÿ‡งUK bra size chartDouble-letter cups for full-bust brands๐Ÿ‡ช๐Ÿ‡บEU bra size chartCentimeter bands and regional labels๐Ÿ‡ซ๐Ÿ‡ทFR/ES/BE bra size chartFrench-style band labels๐Ÿ‡ฎ๐Ÿ‡นItaly bra size chart1, 2, 3 band labels๐Ÿ‡ฆ๐Ÿ‡บAU/NZ bra size chartAustralian and New Zealand sizing๐Ÿ‡ฏ๐Ÿ‡ตJapan bra size chartCentimeter bands for Japanese labels
Convert
Convert sizesSwitch between country and brand sizing systems.
All
UK to USConvert your UK bra size to the closest US equivalent instantly.US to UKConvert your US bra size to the closest UK equivalent.EU to USConvert EU bra sizes like 70F or 75D to US sizing.US to EUConvert US bra sizes to EU band and cup labels.UK to EUConvert UK bra sizes to EU bands and cup letters.EU to UKConvert EU bra sizes to UK band and cup labels.InternationalConvert bra sizes between UK, US, EU, FR, and AU/NZ sizing systems.
Style MatcherBlog
Size Converter
Bra Size CalculatorFit tools, style guidance, and size charts for smarter bra shopping.
Bra size calculatorAdvanced bra size calculatorCalculator in inchesSister size calculator
Measurement guidesFit problemsCompare sizesBreast shapes
All bra size chartsUS chartUK chartInternational converter

Fit and style tools

Shop and troubleshoot

Style matcherFit problemsOutfit guidesSister sizes

Site

Company and updates

BlogAboutContact us

Bra Size Converter

Bra Size Converter

Choose a conversion tool for UK, US, EU, French, and AU/NZ bra size labels. Each page includes an instant converter, quick answer, comparison chart, FAQs, and links to related tools.

Go to calculator
UK to USUK to US Bra Size ConverterConvert your UK bra size to the closest US equivalent instantly.Open converterUS to UKUS to UK Bra Size ConverterConvert your US bra size to the closest UK equivalent.Open converterEU to USEU to US Bra Size ConverterConvert EU bra sizes like 70F or 75D to US sizing.Open converterUS to EUUS to EU Bra Size ConverterConvert US bra sizes to EU band and cup labels.Open converterUK to EUUK to EU Bra Size ConverterConvert UK bra sizes to EU bands and cup letters.Open converterEU to UKEU to UK Bra Size ConverterConvert EU bra sizes to UK band and cup labels.Open converterInternationalInternational Bra Size ConverterConvert bra sizes between UK, US, EU, FR, and AU/NZ sizing systems.Open converter

Need a measured size first?

Use the calculator to get a starting size, then convert it for the brands you shop.

Open calculator
Bra Size Calculator

Practical calculators, fit checks, and international chart references for turning measurements into a better starting point.

Questions or corrections?Contact us
Calculate your sizeStart with measurementsMeasure correctlyAvoid common tape mistakesCompare chartsUS, UK, EU, FR/ES/BE, IT, AU/NZ, JP

Calculators

  • Bra size calculator
  • Detailed calculator
  • Style matcher
  • Sister size calculator
  • Calculator in inches

Learn

  • Measurement guides
  • Size guides
  • Fit problems
  • Compare sizes
  • Breast shapes
  • Brand sizing
  • Outfit guides
  • How to measure

Charts

  • All size charts
  • US Bra Size Chart
  • UK Bra Size Chart
  • EU Bra Size Chart
  • French Bra Size Chart
  • Italian Bra Size Chart

Site

  • About
  • Blog
  • Contact
  • Privacy
  • Terms
  • Disclaimer

ยฉ 2026 Bra Size Calculator. All rights reserved.

As an Amazon Associate, we may earn commission from qualifying purchases. Brand logos and trademarks belong to their respective owners.