315/70R17 Tire Size in Inches
A 315/70R17 tire is about 34.4 inches tall and 12.4 inches wide, with a 8.68-inch sidewall, fitted to a 17-inch wheel.
Source: manufacturer documents (listed below) · Updated 2026-11-05 · By CarWhere Research
Calculated nominal dimensions; circumference 108 in. Measured size varies slightly by tire model and rim width.
Vehicles with factory 315/70R17 tires
| Vehicle | Trim | Years |
|---|---|---|
| Ford F-150 | Raptor | 2024[1] |
Compared with nearby sizes
| Size | Diameter | Difference |
|---|---|---|
| 315/70R17 | 34.4 in | — |
| 315/65R17 | 33.1 in | -3.8% |
| 315/75R17 | 35.6 in | +3.5% |
Width in inches
Check the exact vehicle, not just the model
Trim, package and production changes all move these numbers. Decode the 17-character VIN with the free VIN decoder to confirm the engine and trim, or see the federal engine and MPG specs. Shopping? Browse live inventory and what buyers actually paid.
Frequently asked questions
How tall is a 315/70R17 tire in inches?
About 34.4 inches: a 17-inch wheel plus two 8.68-inch sidewalls (315 × 70% = 220.5 mm each).
How wide is a 315/70R17 tire?
12.4 inches of section width (315 mm ÷ 25.4).
What vehicles come with 315/70R17 tires?
In our manufacturer-sourced data: Ford F-150 — trims and years are in the table above.
Sources
- Ford Motor Company (media.ford.com), 2024 Ford F-150 Raptor Truck Technical Specifications, Wheels and Tires (accessed 2026-11-05).