31x10.50R15 Tire Size: 31.0" Tall
Straight answer
A 31x10.50R15 stands 31.0 inches tall and 10.5 inches wide on a 15-inch wheel. NTW stocks 14 tire models in this size right now.
31x10.50R15 dimensions
Overall diameter
31.00"
Section width
10.50"
Sidewall height
8.00"
Wheel diameter
15"
Circumference
97.4"
Revolutions per mile
651
≈ 267/76R15 metric. Nominal math; real tires run a few tenths off depending on brand, load range, rim width, and air pressure.
What 31x10.50R15 means
- 31Overall diameter: 31.0" tall
- 10.50Section width: 10.50" wide
- RRadial construction
- 15Fits a 15-inch wheel
Want the full rundown on sidewall codes, load index, and speed rating? Read how to read a tire size.
31x10.50R15 compared to nearby 15-inch sizes
Speedometer column assumes your truck is calibrated for 31x10.50R15 and reads 65 mph.
| Size | Height | vs 31x10.50R15 | Width change | Actual speed | Compare |
|---|---|---|---|---|---|
| 33x12.50R15 | 33.0" | +2.0" (+6.5%) | +2.0" | 69.2 mph | Full comparison |
| 35x12.50R15 | 35.0" | +4.0" (+12.9%) | +2.0" | 73.4 mph | Full comparison |
Rule of thumb: inside 3% of stock diameter feels stock; past 8 to 10% and most owners budget for a re-gear. Run your exact numbers in the tire size calculator.
Tires in stock in 31x10.50R15
14 models, 15 SKUs at NTW (different load ranges and sidewall styles). Refreshed daily.
| Tire | Type | Options | From |
|---|---|---|---|
| Toyo Open Country A/T III | All Terrain | 2 | $217 |
| Bfgoodrich All-Terrain T/A KO3 | All Terrain | 1 | $251 |
| Bfgoodrich Mud-Terrain T/A KM3 | Mud Terrain | 1 | $286 |
| Falken Rubitrek A/T | All Terrain | 1 | $193 |
| Falken Wildpeak A/T4W | All Terrain | 1 | $225 |
| Falken Wildpeak M/T | Mud Terrain | 1 | $257 |
| Interco Super Swamper SS-M16 | Mud Terrain | 1 | $339 |
| Interco Trxus M/T | Mud Terrain | 1 | $222 |
| Ironman MTX | All Terrain | 1 | $159 |
| Kenda Klever M/T 2 | Mud Terrain | 1 | $257 |
| Mickey Thompson Baja Legend EXP | All Terrain | 1 | $222 |
| Mickey Thompson Baja Legend MTZ | Mud Terrain | 1 | $247 |
| Toyo Open Country M/T | Mud Terrain | 1 | $264 |
| Toyo Open Country R/T | All Terrain | 1 | $243 |
Prices per tire at NTW when last checked; confirm at checkout.
Frequently Asked Questions
How tall is a 31x10.50R15 tire in inches?+
A 31x10.50R15 is 31.00 inches tall and 10.50 inches wide, with a 8.00-inch sidewall on a 15-inch wheel. Real mounted tires vary a few tenths of an inch by brand, load range, and rim width.
What is 31x10.50R15 in metric?+
The nearest metric equivalent is 267/76R15. Flotation sizes like 31x10.50R15 list the actual height and width in inches, so there's no math to do: 31" tall, 10.50" wide.
What does 31x10.50R15 mean?+
31x10.50R15 is flotation sizing, which just tells you the dimensions in inches: 31" tall, 10.50" wide, on a 15-inch wheel.
31x10.50R15 vs 33x12.50R15: how much bigger?+
33x12.50R15 is 2.0 inches taller (6.5%) and 2.0 inches wider. Going from 31x10.50R15 to 33x12.50R15, a speedometer reading 65 mph means you're actually doing 69.2.
Looking for another size? See the full truck tire size chart.