tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 285
Aspect Ratio: 60
Wheel Diameter: 20
Inches
Millimeters

Results for 285/60R20 Tires

disc wheel
Diameter
33.5"
tire width
Width
11.2"
disc wheel
Sidewall
6.7"
tire circumference
Circumference
105.1"
tire rpm
Revs per mile
603

Alternate Tire Sizes

20"
16"
17"
18"
22"
23"
24"
26"
28"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
265/60R20
32,5"
-3.08%
10,4"
6,3"
102,1"
621
295/55R20
32,8"
-2.13%
11,6"
6,4"
102,9"
616
275/60R20
33,0"
-1.52%
10,8"
6,5"
103,6"
612
305/55R20
33,2"
-0.9%
12,0"
6,6"
104,3"
608
Best fit
285/60R20
33,5"
0%
11,2"
6,7"
105,1"
603
Best fit
295/60R20
33,9"
1.18%
11,6"
7,0"
106,6"
595
275/65R20
34,1"
1.76%
10,8"
7,0"
107,0"
592