Off-Road & Truck Sizing
Flotation (Inches) to Metric Tire Converter
Looking for metric equivalents to classic 33", 35", or 37" off-road tires? Convert between inches and metric radials instantly.
Target Diameter: 35.00" • Width: 12.50" (318 mm)
Closest Metric Radial Matches:
Common Truck Flotation Conversion Cheat Sheet
| Flotation Size | Metric Equivalent | True Diameter | Typical Lift Needed |
|---|---|---|---|
| 31x10.50R15 | 265/75R15 or 245/75R16 | 30.8" | Stock to 1" Level |
| 33x12.50R15 | 285/75R16 or 285/70R17 | 32.8" | 1.5" - 2.5" Leveling Kit |
| 35x12.50R17 | 315/70R17 or 305/70R18 | 34.8" | 2.5" - 3.5" Suspension Lift |
| 37x12.50R17 | 325/80R17 or 37x12.50R20 | 36.8" | 4.5" - 6.0" Full Lift |