How tall is a 255/30R18 tire’s height?
The 255/30R18 has an overall diameter of 24.1 inches or 611 mm tall (measured from the outside edges of the wheel)
How wide is a 255/30R18 tire’s width?
The 255/30R18 has a width of 10 inches or 255 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 255/30R18 tire sidewall height?
The 255/30R18 has a sidewall height of 3 inches or 77 mm tall. It’s measured from the rim to the outer edge of the tire.
What size rim do you need for 255/30R18?
The 255/30R18 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 255/30R18 per mile or kilometer?
The 255/30R18 performs 837 revolutions per mile or 520 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 255/30R18 tire circumference?
The circumference of 255/30R18 is 75.7 inches or 1923 mm.
What’s wider or narrow than 255/30R18 is acceptable?
You can replace the 255/30R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 23.4 and 24.8 inches (593mm to 629 mm). Check our tire size chart here or the tire size calculator tool here to find your size.
