T145/80R20 in Inches

Tire size T145/80R20 refers to the tire size in numbers and letters such as the first number “145” indicates the tire width in millimeters, the second number “80” indicates the aspect ratio of the tire and the last number indicates the diameter of the tire. A T145/80R20 tire in inches can be described as a tire with a width of about 5.7 inches, a sidewall height of about 4.6 inches, and it fits on a 20-inch wheel.

Converting T145/80R20 in Inches

T145/80R20 inches mm
Tire Diameter 29.1 inches 740 mm
Tread Width 5.7 inches 145 mm
Rim Diameter 20 inches 508 mm
Sidewall Height 4.6 inches 116 mm
Circumference 91.4 inches 2324 mm
Revolutions 693 per mile 430 per km

Tire Size Calculator

The Tire Size Calculator is a convenient online tool that helps determine the correct tire dimensions for a vehicle, ensuring optimal performance and compatibility.

Tire Diameter
Tread Width
Rim Diameter
Sidewall Height
Circumference
Revolutions

T145/80R20 Alternate Tire Size

Tire Size Overall Diameter Difference
265/35R21 28.3″ (719 mm) -2.8%
265/30R22 28.3″ (719 mm) -2.8%
265/40R20 28.3″ (720 mm) -2.7%
235/45R20 28.3″ (720 mm) -2.7%
305/35R20 28.4″ (722 mm) -2.4%
315/30R21 28.5″ (723 mm) -2.3%
275/30R22 28.5″ (725 mm) -2%
275/35R21 28.5″ (725 mm) -2%
335/25R22 28.6″ (727 mm) -1.8%
275/40R20 28.7″ (728 mm) -1.6%
315/35R20 28.7″ (728 mm) -1.6%
245/45R20 28.7″ (728 mm) -1.6%
325/30R21 28.7″ (729 mm) -1.5%
245/40R21 28.7″ (729 mm) -1.5%
285/30R22 28.8″ (731 mm) -1.2%
245/35R22 28.8″ (731 mm) -1.2%
285/35R21 28.9″ (733 mm) -0.9%
285/40R20 29″ (736 mm) -0.5%
325/35R20 29″ (736 mm) -0.5%
255/40R21 29″ (737 mm) -0.4%
255/35R22 29″ (737 mm) -0.4%
295/30R22 29″ (737 mm) -0.4%
255/45R20 29.1″ (738 mm) -0.3%
295/35R21 29.1″ (739 mm) -0.1%
305/30R22 29.3″ (743 mm) 0.4%
235/50R20 29.3″ (744 mm) 0.5%
295/40R20 29.3″ (744 mm) 0.5%
235/45R21 29.3″ (745 mm) 0.7%
265/40R21 29.3″ (745 mm) 0.7%
265/35R22 29.3″ (745 mm) 0.7%
265/45R20 29.4″ (746 mm) 0.8%
305/35R21 29.4″ (747 mm) 0.9%
315/30R22 29.5″ (749 mm) 1.2%
275/35R22 29.6″ (751 mm) 1.5%
305/40R20 29.6″ (752 mm) 1.6%
245/45R21 29.6″ (753 mm) 1.8%
315/35R21 29.6″ (753 mm) 1.8%
275/40R21 29.6″ (753 mm) 1.8%
245/50R20 29.7″ (754 mm) 1.9%
275/45R20 29.8″ (756 mm) 2.2%
285/35R22 29.9″ (759 mm) 2.6%
285/40R21 30″ (761 mm) 2.8%

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