tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 325
Aspect Ratio: 25
Wheel Diameter: 20
Inches
Millimeters

Results for 325/25R20 Tires

disc wheel
Diameter
26.4"
tire width
Width
12.8"
disc wheel
Sidewall
3.2"
tire circumference
Circumference
82.9"
tire rpm
Revs per mile
764

Alternate Tire Sizes

20"
14"
15"
16"
17"
18"
19"
21"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
295/25R20
25,8"
-2.33%
11,6"
2,9"
81,0"
782
245/30R20
25,8"
-2.33%
9,6"
2,9"
81,0"
783
255/30R20
26,0"
-1.54%
10,0"
3,0"
81,7"
775
305/25R20
26,0"
-1.54%
12,0"
3,0"
81,7"
776
225/35R20
26,2"
-0.76%
8,9"
3,1"
82,3"
770
Best fit
315/25R20
26,2"
-0.76%
12,4"
3,1"
82,3"
770
Best fit
265/30R20
26,3"
-0.38%
10,4"
3,1"
82,5"
768
Best fit
325/25R20
26,4"
0%
12,8"
3,2"
82,9"
764
Best fit
235/35R20
26,5"
0.38%
9,3"
3,2"
83,1"
762
Best fit
275/30R20
26,5"
0.38%
10,8"
3,2"
83,2"
762
Best fit
335/25R20
26,6"
0.75%
13,2"
3,3"
83,5"
759
Best fit
285/30R20
26,7"
1.12%
11,2"
3,4"
83,9"
755
245/35R20
26,8"
1.49%
9,6"
3,4"
84,0"
754
345/25R20
26,8"
1.49%
13,6"
3,4"
84,1"
753
255/35R20
27,0"
2.22%
10,0"
3,5"
84,9"
747
295/30R20
27,0"
2.22%
11,6"
3,5"
84,7"
748
225/40R20
27,1"
2.58%
8,9"
3,5"
85,1"
745