Dress Size Calculator - Find Your Perfect Dress Size in US, UK, and EU

Find Your Perfect Dress Size

The Dress Size Calculator helps you find your ideal dress size across multiple international sizing systems including USA, UK, Europe, and International (XS to 3XL) standards. By entering just three body measurements - your bust, waist, and hip circumferences - the calculator instantly determines which dress size will fit you best according to standard sizing charts. Never worry about confusing size conversions again when shopping online or abroad. If you are shopping for other garments too, check out our Bra Size Calculator or Jacket Size Calculator.

How to Calculate Your Dress Size

Finding your dress size is straightforward when you have the right measurements. You need to know three key body measurements, which you can take at home using a flexible measuring tape:

Bust: Measure around the fullest part of your chest, keeping the tape parallel to the floor. The tape should be snug but not tight, and you should be wearing a well-fitting bra.
Waist: Measure around the narrowest part of your natural waistline, typically located just above your belly button. Do not suck in your stomach; stand naturally for the most accurate measurement.
Hips: Measure around the widest part of your hips, usually about 7 to 9 inches below your natural waistline. Keep your feet together and the tape level for an accurate reading.

It is recommended to have someone assist you with the measurements for better accuracy. Always measure over light clothing or directly on your skin, and never over thick or bulky garments, as this will skew the results and lead to an incorrect size recommendation.

Dress Size Chart and International Size Conversion

There is a large number of standard sizing systems around the world for various garments, including dresses. Our calculator converts your measurements to the four most common sizing systems:

USA Sizes: Typically numbered 00 through 24, with even-number increments. US size 0 is the smallest standard size.
UK Sizes: Similar numbering to US but offset, generally 2 to 4 sizes larger. A UK 10 corresponds to a US 6.
European Sizes: Numbered from 30 to 56, European dress sizes increase by 2 for each step up. A EU 38 corresponds to a US 6.
International Sizes: Letter-based sizing (XXS, XS, S, M, L, XL, XXL, 3XL) that provides a broad guide across all markets.

Below is a reference table showing how these sizing systems relate to each other across the common measurement ranges:

Bust (cm)	Waist (cm)	Hips (cm)	USA	UK	EU	Intl
74-77	58-61	80-84	0	4	32	XS
78-81	62-64	85-89	2	6	34	XS
82-85	65-68	90-94	4	8	36	S
86-89	69-72	95-97	6	10	38	S
90-93	73-77	98-101	8	12	40	M
94-97	78-81	102-104	10	14	42	M
98-102	82-85	105-108	12	16	44	L
103-107	86-90	109-112	14	18	46	L
108-113	91-95	113-116	16	20	48	XL
114-119	96-102	117-121	18	22	50	XL
120-125	103-108	123-128	20	24	52	XXL
126-131	109-114	129-134	22	26	54	XXL

What Dress Size Am I? A Practical Example

Let us walk through a practical example to see how the dress size calculator works. Imagine Sarah takes her measurements and finds that her bust is 95 cm, her waist is 78 cm, and her hips are 102 cm. After entering these measurements into the calculator, she discovers that she wears:

USA size 10
UK size 14
European size 42
International size M

Having all four sizing formats readily available means Sarah can confidently shop for dresses from American brands, British retailers, European boutiques, or any international fashion label without worrying about size mismatches.

Important Disclaimer About Dress Sizing

While this calculator provides accurate conversions based on widely adopted standard sizing charts, it is important to understand that dress sizes are not universally consistent across all brands and manufacturers. Many fashion brands develop their own proprietary sizing standards that may differ slightly from the general guidelines used here. Vanity sizing, where brands label larger garments with smaller size numbers, is also a common practice in the fashion industry.

For the best possible fit, we recommend checking the specific size chart provided by the brand you are purchasing from. Use this calculator as a starting point and a general guide, but always consult the manufacturer's size guide when available, especially for formal wear, tailored dresses, or online purchases where returns may be difficult.

Frequently Asked Questions

How do I figure out my dress size?

To figure out your dress size, measure your bust, waist, and hips using a flexible measuring tape. Stand naturally with your feet together, and keep the tape level and snug but not tight. Enter these three measurements into the calculator to get your dress size in US, UK, EU, and International sizing systems.

Is a UK size 12 a small or a medium?

A UK size 12 is classified as a Medium (M) in international letter sizing. In US sizing, UK 12 corresponds to a US 8, and in European sizing it corresponds to EU 40. The measurements typically associated with UK 12 are a bust of approximately 90-93 cm, waist of 73-77 cm, and hips of 98-101 cm.

What is a 38 EU dress size equivalent to in US sizing?

A European size 38 dress is equivalent to a US size 6. The measurements typically associated with this size are a bust of 86-89 cm (33.5-35 inches), a waist of 69-72 cm (26.5-28 inches), and hips of 95-97 cm (37-38 inches). In UK sizing, this corresponds to a UK 10, and in International sizing it is classified as Small (S).

Why do dress sizes vary between brands?

Dress sizes vary between brands because there is no single, legally mandated sizing standard that all manufacturers must follow. Each brand develops its own fit model and size chart based on its target demographic, design philosophy, and historical sizing conventions. Some brands engage in vanity sizing, assigning smaller size numbers to larger garments to appeal to customers. This is why you may wear a size 8 in one brand and a size 12 in another.

Should I measure myself over my clothes or without them?

Always measure yourself over light clothing or directly on your skin. Do not measure over heavy sweaters, jeans, or layered outfits, as the extra fabric adds centimeters to your measurements and will result in an inaccurate size recommendation. For the most precise results, wear form-fitting undergarments or lightweight clothing, and consider asking someone else to take the measurements for you to ensure the tape is positioned correctly.

What if my measurements fall between two sizes?

If your measurements fall between two dress sizes, the general recommendation is to choose the larger size. It is much easier to have a dress taken in by a tailor than to let it out. This is especially important for fitted styles and formal dresses. If you are between sizes, also consider the fabric: stretchy materials are more forgiving and you might opt for the smaller size, while non-stretch fabrics require the larger size for comfort.

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