How big is a 305/45R18 tire’s height?
The overall diameter of a 305/45R18 is 28.8 inches or 731 mm tall (measurement of a tire’s outside diameter through its exact center when inflated with no load.
How wide is a 305/45R18 tire’s width?
The 305/45R18 has a width of 12 inches or 305 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 305/45R18 tire sidewall height?
The 305/45R18 has a sidewall height of 5.4 inches or 137 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 305/45R18?
The 305/45R18 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 305/45R18 per mile or kilometer?
The 305/45R18 performs 700 revolutions per mile or 435 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 305/45R18 tire circumference?
The circumference of 305/45R18 is 90.5 inches or 2299 mm.
What’s wider or narrow than 305/45R18 is acceptable?
You can replace the 305/45R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 27.9 and 29.7 inches (709mm to 753 mm). Check our tire size chart here or the tire size calculator tool here to find your size.
