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Convert / Leggings

Letter to US numeric leggings size

The short answer

By the formula, Letter XXS is US numeric 00. On brand charts the most common answer is 0 (10 of 20 brands), and 5 different answers are in print.

The formula and the brands' most common answer differ on 2 of 7 sizes below. Use the brand's own number for the brand you are buying.

Letter to US numeric. The formula column is arithmetic; the brand columns are read from 25 brand charts checked by hand.
LetterUS numeric by formulaMost brands printOther answers in print
XXS000 (10 of 20)2: Colorfulkoala, Lorna Jane, lululemon, Sweaty Betty, Varley; 00-0: Alo Yoga, Bo+Tee, Terez; 000-00: Aerie (OFFLINE); 2-4: Gymshark
XS0 to 20-2 (12 of 23)4: Colorfulkoala, Lorna Jane, lululemon, Sweaty Betty, Varley; 2-4: Alo Yoga, Terez; 00-0: Vuori; 00-4: SET Active; 2: Adanola; 4-6: Gymshark
S4 to 64-6 (14 of 24)6: Colorfulkoala, Lorna Jane, lululemon, Sweaty Betty, Varley; 4: Adanola, Bo+Tee; 0-2: Onzie; 2-4: Vuori; 2-6: Onzie; 6-8: Gymshark
M8 to 108-10 (14 of 24)8: Colorfulkoala, Lorna Jane, lululemon, Sweaty Betty, Varley; 6-8: Bo+Tee, Onzie, Vuori, Year of Ours; 2-6: Onzie; 6: Adanola
L12 to 1412-14 (12 of 24)10: Bo+Tee, Colorfulkoala, Lorna Jane, lululemon, Sweaty Betty, Varley; 10-12: Gymshark, Onzie, Outdoor Voices, Vuori, Year of Ours; 6-8: Onzie; 8: Adanola
XL16 to 1816-18 (9 of 24)12: Colorfulkoala, Lorna Jane, lululemon, Sweaty Betty, Varley; 16: SKIMS, Spanx, Under Armour, Zella; 12-14: Bo+Tee, Gymshark, Outdoor Voices; 14-16: Onzie, Vuori; 10: Adanola
XXL20 to 2214 (4 of 17)20: adidas, Aerie (OFFLINE), Old Navy; 20-22: Alo Yoga, Nike, SET Active; 18: Under Armour, Zella; 12: Adanola; 14-16: Gymshark; 16: Bo+Tee; 16-18: Fabletics; 18-20: Vuori
Tinted rows: the formula differs from the brands' most common answer. A brand is counted once per answer.

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