Dress Size Calculator - US, UK, EU, IT, FR & DE Sizes

A dress size calculator is a body-measurement tool that turns your bust, waist, and hip numbers into US, UK, EU, Italian, French, and German dress sizes in one pass. The calculator cross-references your three measurements against published size charts, applies the country-specific formulas, and flags when one measurement pushes you into a different size so you can pick the right fit. Use this dress size calculator before ordering from a new brand, after a weight change, or when shopping cross-border.

• • Cross-border online shopping: Convert a US size to EU, UK, IT, FR, or DE so you can confidently order from international retailers.
• • Re-measuring after a body change: Confirm a new size after weight loss, weight gain, pregnancy, or surgery before replacing key wardrobe pieces.
• • Body-shape fit checks: Identify whether your bust, waist, and hips fall into different size brackets so you can size up or down for fitted silhouettes.
• • Standardizing vanity-sized labels: Re-anchor to the published US or EU size chart when a brand's label runs larger or smaller than the official size.

The calculator also reports a reference bust/waist/hip range for your recommended size. Comparing your real measurements to that range tells you whether the brand's dress will fit your shoulders and hips or only your bust.

For a closely related body measurement, try our bra size calculator to find your band and cup size from the same set of tape measurements.

The calculator applies the country-specific size formulas to your bust, converts the result to each sizing system, and cross-checks the answer against a published dress size chart so you can verify the range. It applies DE short and tall modifiers when your body height is below 164 cm or above 170 cm.

• bust_in: Bust circumference in inches, measured at the fullest part of the chest while wearing a non-padded bra.
• bust_cm: Bust circumference in centimeters. Used for the continental European size formulas (IT, FR, DE).
• height (cm): Body height in centimeters, used to switch the DE size code to short (height < 164 cm) or tall (height > 170 cm).
• Size chart range: The bust/waist/hip interval published for the recommended size, used as a sanity check against the formulas.

The US and UK formulas rely on a 1 inch step between sizes starting at bust 28 (US) or bust 24 (UK). The continental European systems rely on a 2 cm step in the bust half-circumference, so a single label covers a wider body range. The calculator rounds to the nearest published label rather than splitting hairs, which matches how stores label dresses on the rack.

According to Wikipedia Clothing Sizes, US dress size equals bust in inches minus 28, UK equals bust in inches minus 24, and Italian, French, and German sizes are derived from half the bust circumference in centimeters with country-specific offsets

When the same body measurements change because of aging, an age calculator gives a quick chronological reference for re-measuring dress size over time.

These four concepts explain the differences between the size systems and why the same body can wear a US 8 and an EU 40.

All four concepts feed into the dress size calculator's output. The bust formula picks your primary size, the controlling measurement picks the safe size for body-shape variety, vanity sizing explains why the size range is shown, and the DE modifiers handle the height band.

For deeper body-composition context behind the controlling measurement idea, pair the size output with a body fat percentage calculator that uses the same height input.

Follow these five steps to convert your body measurements into a dress size for the region you are shopping in.

1. 1 Pick your measurement unit: Choose inches or centimeters. The calculator converts internally so you can compare ranges in either system.
2. 2 Measure bust, waist, and hips: Use a soft tape measure. Bust is around the fullest part of the chest, waist is at the natural waistline, and hips are around the widest point below the waist.
3. 3 Enter your height in centimeters: Height drives the DE short, regular, and tall modifiers. If you only know your height in feet, multiply inches by 2.54 to get centimeters.
4. 4 Read the size table: The primary result is your US size, with UK, EU, IT, FR, and DE sizes in the secondary list. Compare the reference bust/waist/hip range to your own measurements to confirm.
5. 5 Adjust for body shape and fit preference: If your hips or bust are larger than the size range, round up. If you prefer a closer fit, you can try the listed size.

If you enter 36 in bust, 28 in waist, 38 in hips, 165 cm height, the calculator outputs US 8, UK 12, EU 46, IT 46, FR 42, and DE 40 (regular). The reference range shows a US 8 fits a 35-36 inch bust and 37-38 inch hips, so the size is a good starting point for this body.

A calculator-driven dress size lookup removes the guesswork from international sizing and from body-shape variations.

• • One entry, six size systems: Get US, UK, EU, IT, FR, and DE sizes from a single set of body measurements, without manually applying country-specific formulas.
• • Built-in size chart range: See the bust, waist, and hip interval for your recommended size so you can spot when one measurement pushes you into a different size.
• • Height-based DE modifiers: The DE size automatically switches to short, regular, or tall based on height, avoiding the common mistake of ignoring the German short/tall code.
• • Inch and centimeter support: Switch between inches and centimeters without re-measuring, useful when a brand lists measurements in the other system.
• • Faster cross-border shopping: Convert a familiar US size into the European label used by the brand you are buying from, reducing returns and exchanges.

These benefits are most useful when you are shopping in a different country or after a body change. The dress size calculator is a starting point: the brand's cut and your fit preference still matter, so always check the size chart for the specific dress you are considering.

For body composition context, the BMI calculator uses height and weight to estimate a healthy range that pairs with the size range from this calculator.

Five variables determine how the recommended size behaves in real life, from vanity sizing to height bands.

• • The calculator reports a single starting size. Brand-by-brand fit varies, so always check the size chart for the specific dress and read recent customer reviews for fit notes.
• • Plus-size and maternity sizing is only roughly covered. ASTM D6960 plus-size charts and brand-specific maternity grading are not encoded in this calculator.

The calculator is a starting point rather than a fit result. Use the size range and DE modifier as your first reference, then verify the brand's own size chart and fit notes for the specific dress you are considering.

According to Wikipedia EN 13402 (Joint European standard for size labelling of clothes), EN 13402 defines bust girth as the primary dimension for women's dresses, with height, hip, and waist as secondary dimensions

According to ASTM International D5585-11, ASTM D5585-11 publishes the body measurement tables that underpin US misses size charts

For sewing your own dress or skirt, the circle skirt calculator uses waist and skirt length to estimate fabric yardage from these same measurements.