What is a 155/90R18 tire width?
The 155/90R18 has a width of 6.1 inches or 155 mm wide. This is the measurement of the tire at its thickest point, the distance between the inner sidewall’s widest point and the outer 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 155/90R18 tire diameter?
The 155/90R18 has an overall diameter of 29 inches or 737 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)
What size rim do I need for 155/90R18?
The size rim of a 155/90R18 tire is 18 inches or 457 mm tall. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.
How tall is a 155/90R18 tire sidewall’s height?
The sidewall height of a 155/90R18 is 5.5 inches or 140 mm tall. It’s measured from the rim to the outer edge of the tire.
What about 155/90R18 tire circumference?
155/90R18 tire has a circumference of 91.1 inches or 2314 mm
How many revolutions for 155/90R18 per mile & kilometer?
The 155/90R18 performs 432 revolutions per kilometer or 695 revolutions per mile. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer
What’s wider or narrow than 155/90R18 is acceptable?
You can replace the 155/90R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 28.1 and 29.9 inches (715mm to 759 mm). Check our tire size chart here or the tire size calculator tool here to find your size.