tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 185
Aspect Ratio: 65
Wheel Diameter: 15
Inches
Millimeters

Results for 185/65R15 Tires

disc wheel
Diameter
24.5"
tire width
Width
7.3"
disc wheel
Sidewall
4.7"
tire circumference
Circumference
76.8"
tire rpm
Revs per mile
825

Alternate Tire Sizes

15"
13"
14"
16"
17"
18"
19"
20"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
205/55R15
23,9"
-2.51%
8,1"
4,4"
75,0"
845
225/50R15
23,9"
-2.51%
8,9"
4,4"
74,9"
846
175/65R15
24,0"
-2.08%
6,9"
4,5"
75,2"
842
145/80R15
24,1"
-1.66%
5,7"
4,6"
75,8"
836
195/60R15
24,2"
-1.24%
7,7"
4,6"
76,0"
833
235/50R15
24,3"
-0.82%
9,3"
4,6"
76,2"
832
Best fit
185/65R15
24,5"
0%
7,3"
4,7"
76,8"
825
Best fit
175/70R15
24,6"
0.41%
6,9"
4,8"
77,4"
819
Best fit
205/60R15
24,7"
0.81%
8,1"
4,8"
77,5"
817
Best fit
155/80R15
24,8"
1.21%
6,1"
4,9"
77,8"
815
195/65R15
25,0"
2%
7,7"
5,0"
78,4"
808
185/70R15
25,2"
2.78%
7,3"
5,1"
79,1"
801
215/60R15
25,2"
2.78%
8,5"
5,1"
79,0"
802