Tool
Tire Size Calculator
Start with 2 sizes, then add as many as you want. Use metric (245/75R16) or inch notation (30x9.5R15), and compare everything against your baseline tire.
Tire Sizes
Switch each row between MM and IN format without changing the layout.
Dimensions
Diameter, sidewall, and circumference for every tire.
Visual Tire Comparison
All tires are drawn against the same ground line. Larger diameters surround smaller ones.
Tire On Tire (All Sizes)
Axle Height Comparison
Comparison Table
| Tire | Revs/Mile | Delta Diameter | Delta (%) | Actual @ 60 mph | Actual @ 65 mph |
|---|