Apparel Sizing EngineASTM D5585 & EN 13402US Plus Size (W/X) ⇄ UK / EU Plus Size

Plus Size Clothing Converter & Sizing Guide

Direct Answer Summary

Plus size clothing (designated 14W to 28W or 1X to 4X) features proportions tailored for fuller figures, including deeper armholes and wider hip-to-waist ratios compared to straight Misses sizes. A US 16W corresponds to an EU 48 and UK 20, accommodating an approximate 44-inch bust and 37-inch waist circumference.

Convert women's and men's plus sizes across US (1X-5X / 14W-28W), UK, and EU standards with proportion guides.

Live Interactive Island

US Plus Size (W/X) to UK / EU Plus Size Calculator

Primary Converted Fit
EU 40Brasil: 42 (M)
Anatomical Bust/Chest37(94 cm)
Brasil (BR)

42 (M)

Padrão Nacional
US Size

8

Women's Numeric
UK Size

12

British Standard
EU Size

40

Continental Europe
Alpha Scale

M

Universal Alpha
Target Body Dimensions
Bust / Chest

37″ (94 cm)

Natural Waist

30″ (76 cm)

Full Hips

40″ (102 cm)

ASTM D5585 & EN 13402 garment sizing standards with anatomical cross-grading.

Bookmarkable Calculation:
Women's UK vs US

Add 4 to US Size

Standard women's dresses convert by adding 4 to the US number (e.g. a US 6 is a UK 10; a US 8 is a UK 12).

Women's EU vs US

Add 30 or 32

French/EU dress sizing adds 30 to 32 to the US size (e.g. US 6 equals EU 38, US 8 equals EU 40).

Men's Suits & Jackets

Add 10 for Continental EU

Men's chest numbers match in the US and UK (size 40). Continental EU adds 10 (US 40 equals EU 50).

Clothing SizePrint-Optimized (A4 & US Letter)

Plus Size Clothing Converter & Sizing Guide Reference Table

Verified ASTM D5585 & EN 13402 International Apparel Matrix

Official Standards

International Apparel Size Conversion Chart.

Cross-reference international apparel sizing comparing US, UK, European (EU), and International Alpha standards according to ASTM D5585 and EN 13402 specifications.

Women's Apparel & Dress Sizing(Bust, Waist & Hip Range)

US SizeUKEUAlphaBust (in / cm)Waist (in / cm)Hips (in / cm)
00230XXS30″ (76 cm)23″ (58 cm)32″ (82 cm)
0432XXS31″ (79 cm)24″ (61 cm)33″ (84 cm)
2634XS32″ (82 cm)25″ (64 cm)35″ (89 cm)
4836S34″ (86 cm)27″ (69 cm)37″ (94 cm)
61038S35″ (89 cm)28″ (71 cm)38″ (97 cm)
81240M37″ (94 cm)30″ (76 cm)40″ (102 cm)
101442M38.5″ (98 cm)31.5″ (80 cm)41.5″ (106 cm)
121644L40″ (102 cm)33″ (84 cm)43″ (110 cm)
141846L42″ (107 cm)35″ (89 cm)45″ (115 cm)
162048XL44″ (112 cm)37″ (94 cm)47″ (120 cm)
182250XXL46″ (117 cm)39″ (99 cm)49″ (125 cm)
2024523XL48″ (122 cm)41″ (104 cm)51″ (130 cm)

Men's Suits, Jackets & Tops(Chest & Waist Circumference)

US / UK ChestEU SizeAlphaChest (in / cm)Waist (in / cm)
3444XS34″ (86 cm)28″ (71 cm)
3646S36″ (91 cm)30″ (76 cm)
3848M38″ (96 cm)32″ (81 cm)
4050M40″ (102 cm)34″ (86 cm)
4252L42″ (107 cm)36″ (91 cm)
4454L44″ (112 cm)38″ (97 cm)
4656XL46″ (117 cm)40″ (102 cm)
4858XXL48″ (122 cm)42″ (107 cm)
50603XL50″ (127 cm)44″ (112 cm)
Common Questions

Frequently Asked Questions.

Expert answers regarding apparel fit, garment dimensions, and international fashion sizing.

What is the difference between size 16 and 16W?

Size 16 is straight Misses sizing; 16W is Women's Plus sizing, offering about 1-2 extra inches across the bust, waist, and upper arms.

What is a 2X in numeric sizing?

A 2X typically equates to women's numeric sizes 20W to 22W (bust 47-49 inches, waist 40-42 inches).

How do UK plus sizes compare to US plus sizes?

UK plus sizes are numbered 4 sizes higher than US sizes (a US 18W is equivalent to a UK 22).

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