tire

Tire Size Calculator

Calculate tire sizes in inches or millimeters and find alternative sizes.
Tread Width: 215
Aspect Ratio: 45
Wheel Diameter: 20
Inches
Millimeters

Results for 215/45R20 Tires

disc wheel
Diameter
27.6"
tire width
Width
8.5"
disc wheel
Sidewall
3.8"
tire circumference
Circumference
86.7"
tire rpm
Revs per mile
731

Alternate Tire Sizes

20"
14"
15"
16"
17"
18"
19"
21"
22"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile
245/35R20
26,8"
-2.99%
9,6"
3,4"
84,0"
754
345/25R20
26,8"
-2.99%
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"
-1.85%
8,9"
3,5"
85,1"
745
305/30R20
27,2"
-1.47%
12,0"
3,6"
85,4"
742
265/35R20
27,3"
-1.1%
10,4"
3,7"
85,7"
739
155/60R20
27,3"
-1.1%
6,1"
3,7"
85,8"
739
315/30R20
27,4"
-0.73%
12,4"
3,7"
86,2"
735
Best fit
235/40R20
27,4"
-0.73%
9,3"
3,7"
86,0"
736
Best fit
215/45R20
27,6"
0%
8,5"
3,8"
86,7"
731
Best fit
275/35R20
27,6"
0%
10,8"
3,8"
86,6"
732
Best fit
175/55R20
27,6"
0%
6,9"
3,8"
86,6"
732
Best fit
325/30R20
27,7"
0.36%
12,8"
3,8"
86,9"
729
Best fit
195/50R20
27,7"
0.36%
7,7"
3,8"
86,9"
729
Best fit
245/40R20
27,7"
0.36%
9,6"
3,9"
87,0"
728
Best fit
335/30R20
27,9"
1.08%
13,2"
4,0"
87,6"
723
285/35R20
27,9"
1.08%
11,2"
3,9"
87,5"
724
255/40R20
28,0"
1.43%
10,0"
4,0"
88,0"
720
295/35R20
28,1"
1.78%
11,6"
4,1"
88,3"
717
345/30R20
28,1"
1.78%
13,6"
4,1"
88,4"
717
235/45R20
28,3"
2.47%
9,3"
4,2"
88,9"
712
265/40R20
28,3"
2.47%
10,4"
4,2"
89,0"
712
195/55R20
28,4"
2.82%
7,7"
4,2"
89,3"
709
305/35R20
28,4"
2.82%
12,0"
4,2"
89,2"
710