What is 165/45R15 tire diameter?
The 165/45R15 has an overall diameter of 20.8 inches or 529 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)
How wide is a 165/45R15 tire’s width?
The 165/45R15 has a width of 6.5 inches or 165 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 165/45R15 tire sidewall height?
The 165/45R15 has a sidewall height of 2.9 inches or 74 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 165/45R15?
The 165/45R15 tire has a size rim of 15 inches or 381 mm. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.
How many revolutions for 165/45R15 per mile or kilometer?
The 165/45R15 performs 970 revolutions per mile or 603 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 165/45R15 tire circumference?
The circumference of 165/45R15 is 65.3 inches or 1659 mm.
What’s wider or narrow than 165/45R15 is acceptable?
You can replace the 165/45R15 tires that are within ±3% of the overall tire diameter. In this case, it’s between 20.2 and 21.4 inches (513mm to 545 mm). Check our tire size chart here or the tire size calculator tool here to find your size.

