Size Calculator Hub
Your one-stop destination for all sizing needs. Find the perfect fit for bras, clothing, accessories, and more with our comprehensive collection of free, accurate calculators.
How to Use Our Calculators
Core Size Formulas
Bra & Bust Size Calculators
General & Regional Conversions
Calculate your bra size using underbust and bust measurements. Get US, UK, and EU sizes.
Most PopularImperial measurement bra calculator for US sizing with inch-based inputs.
Full bust measurement calculator with body proportions and shape analysis.
Comprehensive bust calculator with multiple size systems and recommendations.
Calculate breast volume in cc/ml for medical and fitting purposes.
Convert cup sizes between different sizing systems worldwide.
Find equivalent bra sizes with same cup volume but different bands.
EssentialConvert between US, UK, EU, AU, FR, IT, and JP bra sizes.
Calculate your American bra size with US sizing standards.
European bra sizing with centimeter measurements and EU cup system.
UK bra sizing with British cup progression (DD, E, F, FF...).
AU bra sizing with dress-size bands and international conversions.
Convert EU 85B to US, UK, AU, and other international sizes.
Brand-Specific Calculators
Official sizing for popular lingerie brands
Find your VS size using official Victoria's Secret sizing methods.
Popular BrandAlpha sizing (XXS-4X) for Kim Kardashian's SKIMS collections.
Indian sizing for Shyaway lingerie with local size charts.
Indian sizing for Zivame bras with style-specific tips.
Official Wacoal sizing with style recommendations.
Plus size bra calculator for Lane Bryant/Cacique sizing.
Plus SizeFind your Adore Me size with style-based recommendations.
Marks and Spencer UK sizing with British cup progression.
Type-Specific & Guides
Specialized calculators and fitting guides
Activity-based sizing with impact level recommendations.
AthletesPerfect sizing for strapless bras with fit adjustments.
Extended band (36-58) and cup (A-N) sizing calculator.
Complete guide to bra fitting with expert tips.
GuideStep-by-step measurement instructions with diagrams.
Gynecomastia sizing and compression garment calculator.
Panty & Underwear Calculators
Bottom sizing tools
Dress, Clothing & Accessories
Apparel and accessory sizing
Calculate dress size from body measurements with international sizing.
Calculate fabric needed for circle skirts of any length.
Find your bikini top and bottom sizes separately.
Calculate belt size from waist measurement or pant size.
Multi-purpose sizing tool for various clothing items.
Body Shape & Other Sizes
Body analysis and additional calculators
Convert shoe sizes between US, UK, EU, and other systems.
Determine your body shape: hourglass, pear, apple, etc.
PopularCalculate if you have small, medium, or large frame.
Determine your face shape for hairstyles and glasses.
Calculate WHR for health assessment and body shape.
Frequently Asked Questions
Measure your underbust snugly around your ribcage for band size, then measure around the fullest part of your bust. The difference determines cup size (1"=A, 2"=B, 3"=C, etc.). Use our Bra Size Calculator for the most accurate results.
Band sizes are identical, but cup sizes differ after D. US uses DD, DDD, G, H while UK uses DD, E, F, FF, G, GG, H. Use our International Bra Size Conversion calculator to convert between systems accurately.
Measure every 6-12 months or after significant weight changes (±5 lbs), pregnancy, breastfeeding, or hormonal shifts. Bra size commonly changes 5-10 times throughout life.
Yes! Different brands have varying fits and size charts. SKIMS uses alpha sizing, Lane Bryant extends to plus sizes, and European brands use metric measurements. Our brand-specific calculators account for each brand's unique sizing.
Absolutely! All 40+ calculators are fully responsive and optimized for mobile, tablet, and desktop devices. Measure and calculate your size anywhere, anytime.
Can't Find What You Need?
We're constantly adding new calculators. Check back regularly or contact us with suggestions!
Start with Bra Size Calculator