315/40R25 Tires

315/40R25 Conversion

When converted to inches, 315/40R25 is equivalent to 34.9x12.4R25.

315/40R25 tire has a section width of 12.4 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 25 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 5 inches (126 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 34.9 inches (887 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 109.6 inches (2785.2 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. 315/40R25 tire makes 578 revolutions per mile (359 revolutions per kilometer).

315/40R25 Section Width
12.4"
34.9"
315/40R25 Tire Side
Tire Circumference
109.6"
25"
5"
578 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 887 mm 34.9"
Tread Width 315 mm 12.4"
Rim Diameter 635 mm 25"
Sidewall Height 126 mm 5"
Circumference 2785.2 mm 109.6"
Revolutions 359 per km 578 per mile
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315/40R25 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 315/40R25 tire can be replaced with 3 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
305/35R26 34.4" (874 mm) -1.5%
335/35R26 35.2" (894 mm) 0.8%
315/40R26 35.9" (912 mm) 2.8%