255/70R18 is a metric tire size representation, which defines that the tires have a width of 255 mm, 70 is the aspect ratio and a rim diameter of 18 inches. In the imperial system the tire size 255/70R18 equates to a 32.1×10R18 that is commonly used in the automotive industry. So Converting 255/70R18 in inches the tires have a length of 32.1 inches, a width of 10 inches, a sidewall height of 7 inches and The number of complete resolutions made by the corresponding tire size is equal to 629 per mile with a circumference of 100.8 inches.
255/70R18 tire size in inches
255/70R18
inches
mm
Tire Diameter
32.1 inches
815 mm
Tread Width
10 inches
255 mm
Rim Diameter
18 inches
457 mm
Sidewall Height
7 inches
179 mm
Circumference
100.8 inches
2559 mm
Revolutions
629 per mile
391 per km
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255/70R18 Equivalent Tire Sizes for replacement
If you are replacing your tires, always keep in mind that they are compatible with your vehicle so that the impact on the overall performance of your vehicle can be reduced. Here we have listed some tire size that is equivalent to 255/70R18 tires.