How tall is a 315/30R21 tire’s height?
The 315/30R21 has an overall diameter of 28.5 inches or 723 mm tall (measured from the outside edges of the wheel)
How wide is a 315/30R21 tire’s width?
The 315/30R21 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 315/30R21 tire sidewall height?
The 315/30R21 has a sidewall height of 3.7 inches or 95 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 315/30R21?
The 315/30R21 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 315/30R21 per mile or kilometer?
The 315/30R21 performs 708 revolutions per mile or 440 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 315/30R21 tire circumference?
The circumference of 315/30R21 is 89.5 inches or 2273 mm.
What’s wider or narrow than 315/30R21 is acceptable?
You can replace the 315/30R21 tires that are within ±3% of the overall tire diameter. In this case, it’s between 27.6 and 29.4 inches (701mm to 745 mm). Check our tire size chart here or the tire size calculator tool here to find your size.
