How big is a 235/45R21 tire’s height?
The overall diameter of a 235/45R21 is 29.3 inches or 745 mm tall (measurement of a tire’s outside diameter through its exact center when inflated with no load.
How wide is a 235/45R21 tire’s width?
The 235/45R21 has a width of 9.3 inches or 235 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 235/45R21 tire sidewall height?
The 235/45R21 has a sidewall height of 4.2 inches or 106 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.
What size rim do you need for 235/45R21?
The 235/45R21 tire has a size rim of 21 inches or 533 mm. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.
How many revolutions for 235/45R21 per mile or kilometer?
The 235/45R21 performs 689 revolutions per mile or 428 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 235/45R21 tire circumference?
The circumference of 235/45R21 is 92 inches or 2337 mm.
What’s wider or narrow than 235/45R21 is acceptable?
You can replace the 235/45R21 tires that are within ±3% of the overall tire diameter. In this case, it’s between 28.4 and 30.2 inches (723mm to 767 mm). Check our tire size chart here or the tire size calculator tool here to find your size.
