105/70R15 Tires

105/70R15 Conversion

When converted to inches, 105/70R15 is equivalent to 20.8x4.1R15.

105/70R15 tire has a section width of 4.1 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 15 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 2.9 inches (74 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 20.8 inches (529 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 65.3 inches (1661.1 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. 105/70R15 tire makes 970 revolutions per mile (602 revolutions per kilometer).

105/70R15 Section Width
4.1"
20.8"
105/70R15 Tire Side
Tire Circumference
65.3"
15"
2.9"
970 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 529 mm 20.8"
Tread Width 105 mm 4.1"
Rim Diameter 381 mm 15"
Sidewall Height 74 mm 2.9"
Circumference 1661.1 mm 65.3"
Revolutions 602 per km 970 per mile

105/70R15 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 105/70R15 tire can be replaced with 3 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
165/45R15 20.8" (529 mm) 0%
165/40R16 21.2" (538 mm) 1.7%
115/70R15 21.4" (543 mm) 2.6%