tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 165
Aspect Ratio: 45
Wheel Diameter: 15
Inches
Millimeters

Results for 165/45R15 Tires

disc wheel
Diameter
20.8"
tire width
Width
6.5"
disc wheel
Sidewall
2.9"
tire circumference
Circumference
65.5"
tire rpm
Revs per mile
968

Alternate Tire Sizes

15"
12"
13"
14"
16"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
145/50R15
20,7"
-0.48%
5,7"
2,9"
65,0"
974
Best fit
165/45R15
20,8"
0%
6,5"
2,9"
65,5"
968
Best fit