Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 245/70R17 Tires
Diameter
30.5"
Width
9.6"
Sidewall
6.8"
Circumference
95.8"
Revs per mile
661
Alternate Tire Sizes
17"
15"
16"
18"
19"
20"
21"
22"
23"
24"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile