Carhartt vs Under Armour: which size fits the same?

In tees, a Carhartt L is closest to an Under Armour XL (the same around).

Tees

Carhartt tees measure about 3½″ more around than Under Armour at the same size. A Carhartt L is closest to an Under Armour XL (the same around).

CarharttChest · lengthClosest Under ArmourChest · lengthUnder Armour is
Carhartt S41¼″ · 28″Under Armour S40″ · 28¾″1¼″ snugger
Carhartt M45″ · 28½″Under Armour L46″ · 29¾″1″ roomier
Carhartt L49″ · 29″Under Armour XL49″ · 30¾″the same around
Carhartt XL53″ · 30″Under Armour XXL52″ · 31¾″1″ snugger
Carhartt XXL56¾″ · 31″Under Armour 3XL55″ · 32¾″1¾″ snugger
Carhartt 3XL60¾″ · 32″none close

From Carhartt: Carhartt Workwear Pocket Short Sleeve T-Shirt (K87). From Under Armour: Under Armour Team Tech Tee (1376842), Under Armour Athletic 2.0 Tee (1383264). Relaxed and oversized cuts are left out.

More: Carhartt sizing · Under Armour sizing

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Garment measurements: the shirt itself, chest all the way around and length from shoulder to hem, from each brand's own chart or wholesale spec sheet, checked November 2026. Shirts with half or more cotton are shown as they come out of a dryer (about 2% less around and 4% shorter). Brands change their cuts, so check the shop's chart before you buy.