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Clothing size

Estimate a letter clothing size from chest, waist and hip measurements.

Built and maintained by The NumberPrism Editorial TeamEditorial policy

Your details

Results update as you type. The formula and assumptions are explained below the calculator.

Estimated clothing size

Size M

Chest or bust fitM
Waist fitM
Hip fitM
EU equivalent38

Estimate only. Sizes vary between brands and cuts; use these letters as a starting point and check each brand size chart before ordering.

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How to estimate clothing size

Measure the main body points and compare with letter bands.

1

Measure over light clothing

Keep the tape level and snug, without pulling it tight.

2

Enter all measurements

Chest or bust, waist and hips each suggest a letter size.

3

Use the largest

The recommended size follows the roomiest measurement for a better fit.

What does this tool do?

Ready-to-wear sizes are based on body measurements rather than a single number. This tool compares chest or bust, waist and hips with common US letter bands and gives a rough EU equivalent.

The Formula

Choose the largest letter suggested by chest or bust, waist and hip measurements; map the letter to an EU size

Frequently Asked Questions

How should I measure my chest or bust?

Run the tape around the fullest part, level across the back and under the arms. Keep it snug without compressing the body.

What if my waist and chest suggest different sizes?

Choose the larger size for comfort and check the brand size chart. Tailoring can adjust a garment that fits one area well.