What is 325/45R18 tire diameter?
The 325/45R18 has an overall diameter of 29.5 inches or 749 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)
How wide is a 325/45R18 tire’s width?
The 325/45R18 has a width of 12.8 inches or 325 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 325/45R18 tire sidewall height?
The 325/45R18 has a sidewall height of 5.7 inches or 146 mm tall. It’s measured from the rim to the outer edge of the tire.
What size rim do you need for 325/45R18?
The 325/45R18 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 325/45R18 per mile or kilometer?
The 325/45R18 performs 684 revolutions per mile or 425 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 325/45R18 tire circumference?
The circumference of 325/45R18 is 92.7 inches or 2355 mm.
What’s wider or narrow than 325/45R18 is acceptable?
You can replace the 325/45R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 28.6 and 30.4 inches (727mm to 771 mm). Check our tire size chart here or the tire size calculator tool here to find your size.