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Dress Size Calculator

Result

Calculated result 37.5 Based on the values entered.
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Dress Size Calculator Find your dress size from your bust, waist, and hip measurements using US, UK, and EU sizing charts. — free online calculator.

Formula

US sizes: 0=32.5in bust; 2=33.5; 4=34.5; 6=35.5; 8=36.5; 10=37.5; 12=38.5.UK size = US size + 4.EU size = US size + 32 (approximately).
  • Dress Size Calculator calculates its result from In Bust. It uses the formula US sizes: 0=32.5in bust; 2=33.5; 4=34.5; 6=35.5; 8=36.5; 10=37.5; 12=38.5.UK size = US size + 4.EU size = US size + 32 (approximately).. Change any input to recalculate the result instantly.
  • The main inputs are In Bust. Enter them in the units and format shown in the calculator.
  • Use the units, labels and assumptions shown beside each input so the formula is applied consistently.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Dress Size

Inputs
  • In Bust: 10

Using In Bust = 10, the calculated result is 37.5.

Sample result: Calculating…

Frequently asked questions

What does the Dress Size calculate?

Dress Size Calculator Find your dress size from your bust, waist, and hip measurements using US, UK, and EU sizing charts. — free online calculator.

Which values should I enter?

Enter In Bust using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: US sizes: 0=32.5in bust; 2=33.5; 4=34.5; 6=35.5; 8=36.5; 10=37.5; 12=38.5.UK size = US size + 4.EU size = US size + 32 (approximately)..

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026