Canadian Bra Size Calculator

Use our free bra size calculator to find your perfect fit. Enter your measurements and get instant results in US, UK, EU, and 7+ international sizing systems.

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Results include US, UK, EU, FR, IT, AU, and JP sizes

Bra Sizing for Canadian Shoppers

Canadian shoppers typically encounter bra labels that look like US sizing — even band numbers with letter cups — because many brands sold in Canada use American grading on tags. Some European and UK brands sold through Canadian retailers add secondary labeling. Your body measurements remain the starting point regardless of which country’s chart appears on the hanger; this calculator turns underbust and bust readings into estimated CA-relevant sizes with US comparison context.

Use measured size as a hypothesis, then confirm with try-ons. Cross-border shopping between Canada and the United States is common, so understanding when labels align — and when they diverge — saves return shipping and exchange hassle.

How Canadian Sizing Compares to US Sizing

For many mainstream brands, a 34C sold in Toronto may follow the same grading as a 34C sold in Chicago. Both often use inch-based band mapping and US cup letter sequences including DD and DDD. Differences appear when Canadian stores carry UK-fuller-bust lines, EU metric bands, or private-label bras with unique charts. Always read the brand’s size guide on the product page rather than assuming country of sale equals country of grading.

Quebec and bilingual packaging sometimes show FR/EU references alongside EN/US-style numbers. If you see dual columns, match the column to the brand’s origin, not only to where you purchased the item.

Canadian vs US Band and Cup Comparison

The table below summarizes typical retail labeling patterns. Individual brands may differ; this is a general reference for shoppers comparing tags across the border.

  • US / CA band 32: Often fits similar underbust ranges on mass-market North American charts; verify stretch per brand.
  • US / CA band 34: Frequently interchangeable labeling on dual-market tags; sister sizes apply the same way.
  • US / CA band 36: Common crossover size; cup letters usually follow the same inch-difference mapping until larger cups.
  • US / CA cup DD: Widely used in both markets; some brands use E or DDD instead — check chart footnotes.
  • US / CA cup DDD / F: Naming varies; volume may match UK E or F depending on importer — use conversion tools when unsure.
  • UK-import bras in Canada: May list 34FF alongside a US 34G equivalent on the same tag — read both columns.

When CA and US Tags Diverge

Specialty full-bust brands, sports bras using S/M/L, and some department-store private labels do not follow simple US/CA parity. EU brands sold in Canada may show 75, 80, 85 band cm with no US number on the primary label. In those cases, rely on measurement calculators and bra size conversion rather than assuming US and CA tags always match.

Measure First, Then Calculate

Take underbust and bust measurements using standard technique: level tape, snug band reading, fullest-point bust reading. Enter values in the calculator on this page or use the US bra size calculator when the brand clearly states US grading — results are often equivalent for mainstream North American labels.

Our how to measure bra size guide covers posture, clothing, and common errors. For fit verification after calculating, try the bra fit calculator checklist.

Shopping Tips in Canada

Major chains and malls often carry US-based brands with familiar 32–40 band ranges. Online orders from US warehouses may list identical sizes; still check return policies for international shipments. UK and EU specialty retailers shipping to Canada require conversion — a calculated US/CA size is a bridge, not a substitute for the brand’s own chart when wire shape and cup depth differ.

Sister sizes help when band feels wrong but cup volume seems close. Use our sister size calculator to explore equivalent volumes before ordering multiple sizes.

Using This Canadian Calculator

The embedded tool applies standard measurement formulas used across North American retail and displays sizes useful for Canadian shopping contexts. Cross-check with the main bra size calculator for inches/cm toggles and additional regional labels if you buy from mixed-market retailers.

Track which brands run large or small on your body; Canadian climate and layering preferences do not change sizing math, but they may influence how snug you want a band in winter versus summer.

Brand Variance Disclaimer

BraSizeHelper is an independent fitting resource and is not affiliated with Canadian department stores, US brands, or lingerie manufacturers. CA and US sizes often align on paper yet fit differently in practice due to fabric, cut, and grading choices. Calculator output is an estimate — confirm with try-ons and retailer size charts, especially for first purchases from a new brand.

CA Sizing Next Steps