tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 275
Aspect Ratio: 50
Wheel Diameter: 20
Inches
Millimeters

Results for 275/50R20 Tires

disc wheel
Diameter
30.8"
tire width
Width
10.8"
disc wheel
Sidewall
5.4"
tire circumference
Circumference
96.8"
tire rpm
Revs per mile
655

Alternate Tire Sizes

20"
15"
16"
17"
18"
19"
21"
22"
23"
24"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
255/50R20
30,0"
-2.67%
10,0"
5,0"
94,3"
672
285/45R20
30,1"
-2.33%
11,2"
5,0"
94,5"
670
235/55R20
30,2"
-1.99%
9,3"
5,1"
94,8"
669
265/50R20
30,4"
-1.32%
10,4"
5,2"
95,6"
663
295/45R20
30,5"
-0.98%
11,6"
5,2"
95,6"
663
Best fit
305/45R20
30,8"
0%
12,0"
5,4"
96,7"
655
Best fit
275/50R20
30,8"
0%
10,8"
5,4"
96,8"
655
Best fit
255/55R20
31,0"
0.65%
10,0"
5,5"
97,5"
650
Best fit
235/60R20
31,1"
0.96%
9,3"
5,6"
97,7"
649
Best fit
285/50R20
31,2"
1.28%
11,2"
5,6"
98,0"
646
265/55R20
31,5"
2.22%
10,4"
5,7"
98,8"
641
245/60R20
31,6"
2.53%
9,6"
5,8"
99,1"
639
295/50R20
31,6"
2.53%
11,6"
5,8"
99,3"
638