tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 235
Aspect Ratio: 30
Wheel Diameter: 20
Inches
Millimeters

Results for 235/30R20 Tires

disc wheel
Diameter
25.6"
tire width
Width
9.3"
disc wheel
Sidewall
2.8"
tire circumference
Circumference
80.2"
tire rpm
Revs per mile
790

Alternate Tire Sizes

20"
14"
15"
16"
17"
18"
19"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
215/30R20
25,1"
-1.99%
8,5"
2,5"
78,7"
805
265/25R20
25,2"
-1.59%
10,4"
2,6"
79,2"
800
225/30R20
25,3"
-1.19%
8,9"
2,7"
79,5"
797
275/25R20
25,4"
-0.79%
10,8"
2,7"
79,8"
794
Best fit
285/25R20
25,6"
0%
11,2"
2,8"
80,4"
788
Best fit
235/30R20
25,6"
0%
9,3"
2,8"
80,2"
790
Best fit
295/25R20
25,8"
0.78%
11,6"
2,9"
81,0"
782
Best fit
245/30R20
25,8"
0.78%
9,6"
2,9"
81,0"
783
Best fit
305/25R20
26,0"
1.54%
12,0"
3,0"
81,7"
776
255/30R20
26,0"
1.54%
10,0"
3,0"
81,7"
775
315/25R20
26,2"
2.29%
12,4"
3,1"
82,3"
770
225/35R20
26,2"
2.29%
8,9"
3,1"
82,3"
770
265/30R20
26,3"
2.66%
10,4"
3,1"
82,5"
768