What is a 285/40R18 tire width?
The 285/40R18 has a width of 11.2 inches or 285 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 285/40R18 tire diameter?
The 285/40R18 has an overall diameter of 27 inches or 685 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 285/40R18?
The size rim of a 285/40R18 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 285/40R18 tire sidewall’s height?
The sidewall height of a 285/40R18 is 3.9 inches or 114 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.
What about 285/40R18 tire circumference?
285/40R18 tire has a circumference of 84.8 inches or 2154 mm
How many revolutions for 285/40R18 per mile & kilometer?
The 285/40R18 performs 464 revolutions per kilometer or 747 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 285/40R18 is acceptable?
You can replace the 285/40R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 26.2 and 27.8 inches (664mm to 706 mm). Check our tire size chart here or the tire size calculator tool here to find your size.