275/80R18 Tires

275/80R18 Conversion

When converted to inches, 275/80R18 is equivalent to 35.3x10.8R18.

275/80R18 tire has a section width of 10.8 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 18 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 8.7 inches (220 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 35.3 inches (897 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 110.8 inches (2816.6 mm) is the outer perimeter of the tire. Tire revolutions indicate the number of times a tire revolves while it covers the distance in miles or kilometers. 275/80R18 tire makes 572 revolutions per mile (355 revolutions per kilometer).

275/80R18 Section Width
10.8"
35.3"
275/80R18 Tire Side
Tire Circumference
110.8"
18"
8.7"
572 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 897 mm 35.3"
Tread Width 275 mm 10.8"
Rim Diameter 457.2 mm 18"
Sidewall Height 220 mm 8.7"
Circumference 2816.6 mm 110.8"
Revolutions 355 per km 572 per mile

275/80R18 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 275/80R18 tire can be replaced with 16 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
345/60R18 34.3" (871 mm) -2.9%
295/70R18 34.3" (871 mm) -2.9%
305/60R20 34.4" (874 mm) -2.6%
335/55R20 34.5" (876 mm) -2.3%
285/65R20 34.6" (878 mm) -2.1%
325/65R18 34.6" (879 mm) -2%
285/75R18 34.8" (885 mm) -1.3%
305/70R18 34.8" (885 mm) -1.3%
315/60R20 34.9" (886 mm) -1.2%
295/65R20 35.1" (892 mm) -0.6%
325/60R20 35.4" (898 mm) 0.1%
315/70R18 35.4" (899 mm) 0.2%
375/60R18 35.7" (907 mm) 1.1%
305/75R18 36" (915 mm) 2%
355/65R18 36.2" (919 mm) 2.5%
375/55R20 36.2" (920 mm) 2.6%