How big is a 315/35R18 tire’s height?
The overall diameter of a 315/35R18 is 26.7 inches or 677 mm tall (measurement of a tire’s outside diameter through its exact center when inflated with no load.
How wide is a 315/35R18 tire’s width?
The 315/35R18 has a width of 12.4 inches or 315 mm wide. This is the measurement of the tire at its thickest point, the distance between the outer sidewall’s widest point and the inner sidewall’s widest point. This physical width of the tire can change if the tire is mounted on a wheel slightly wider or narrower than the size indicated by the rim width.
What is a 315/35R18 tire sidewall height?
The 315/35R18 has a sidewall height of 4.3 inches or 110 mm tall. It’s measured from the rim to the outer edge of the tire.
What size rim do you need for 315/35R18?
The 315/35R18 tire has a size rim of 18 inches or 457 mm. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.
How many revolutions for 315/35R18 per mile or kilometer?
The 315/35R18 performs 755 revolutions per mile or 469 revolutions per kilometer. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer
How about 315/35R18 tire circumference?
The circumference of 315/35R18 is 83.9 inches or 2131 mm.
What’s wider or narrow than 315/35R18 is acceptable?
You can replace the 315/35R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 25.9 and 27.5 inches (657mm to 697 mm). Check our tire size chart here or the tire size calculator tool here to find your size.

