245/75R17 Tire Size: 31.5" Tall, a 31-Inch Tire
Straight answer
A 245/75R17 stands 31.5 inches tall and 9.6 inches wide on a 17-inch wheel, which makes it a 31-inch tire in truck-speak. NTW stocks 16 tire models in this size right now.
245/75R17 dimensions
Overall diameter
31.47"
Section width
9.65"
Sidewall height
7.23"
Wheel diameter
17"
Circumference
98.9"
Revolutions per mile
641
≈ 31.5x9.6R17 flotation. Nominal math; real tires run a few tenths off depending on brand, load range, rim width, and air pressure.
What 245/75R17 means
- 245Section width: 245 mm (9.6") wall to wall
- 75Aspect ratio: sidewall is 75% of the width, so 7.2" tall
- RRadial construction
- 17Fits a 17-inch wheel
Want the full rundown on sidewall codes, load index, and speed rating? Read how to read a tire size.
245/75R17 compared to nearby 17-inch sizes
Speedometer column assumes your truck is calibrated for 245/75R17 and reads 65 mph.
| Size | Height | vs 245/75R17 | Width change | Actual speed | Compare |
|---|---|---|---|---|---|
| 265/65R17 | 30.6" | -0.9" (-2.9%) | +0.8" | 63.1 mph | Full comparison |
| 265/70R17 | 31.6" | +0.1" (+0.4%) | +0.8" | 65.3 mph | Full comparison |
| 285/70R17 | 32.7" | +1.2" (+3.9%) | +1.6" | 67.6 mph | Full comparison |
| 33x12.50R17 | 33.0" | +1.5" (+4.9%) | +2.9" | 68.2 mph | Full comparison |
| 295/70R17 | 33.3" | +1.8" (+5.7%) | +2.0" | 68.7 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, or check what stepping down to 265/65R17 does.
Trucks that come with 245/75R17
- Jeep Wrangler (2018–2026) · Sport
Tires in stock in 245/75R17
16 models, 18 SKUs at NTW (different load ranges and sidewall styles). Refreshed daily.
| Tire | Type | Options | From |
|---|---|---|---|
| Nitto Terra Grappler G3 | All Terrain | 2 | $253 |
| Toyo Open Country H/T II | All Terrain | 2 | $245 |
| Bfgoodrich All-Terrain T/A KO3 | All Terrain | 1 | $279 |
| BFGoodrich HD All Terrain KT | All Terrain | 1 | $308 |
| Bfgoodrich Trail-Terrain T/A+ | All Terrain | 1 | $249 |
| Falken Rubitrek A/T | All Terrain | 1 | $229 |
| Falken Wildpeak A/T4W | All Terrain | 1 | $268 |
| Ironman MTX | All Terrain | 1 | $168 |
| Kenda Klever M/T 2 | Mud Terrain | 1 | $286 |
| Kenda Klever RT | All Terrain | 1 | $264 |
| Nitto EXO Grappler | All Terrain | 1 | $254 |
| Toyo Celsius Cargo | All Terrain | 1 | $235 |
| Toyo M-55 | Commercial, On/Off-Road | 1 | $288 |
| Toyo Open Country A/T III | All Terrain | 1 | $290 |
| Toyo Open Country C/T | All Terrain | 1 | $299 |
| Venom Power Terra Hunter RT Plus | All Terrain | 1 | $233 |
Prices per tire at NTW when last checked; confirm at checkout.
Frequently Asked Questions
How tall is a 245/75R17 tire in inches?+
A 245/75R17 is 31.47 inches tall and 9.65 inches wide, with a 7.23-inch sidewall on a 17-inch wheel. Real mounted tires vary a few tenths of an inch by brand, load range, and rim width.
Is 245/75R17 a 31-inch tire?+
Close enough that everybody calls it one. It measures 31.5 inches, so it's sold and talked about as a 31. The flotation equivalent is 31.5x9.6R17.
What does 245/75R17 mean?+
245/75R17 means a tire 245 millimeters wide with a sidewall 75% as tall as it is wide, built for a 17-inch wheel.
245/75R17 vs 285/70R17: how much bigger?+
285/70R17 is 1.2 inches taller (3.9%) and 1.6 inches wider. Going from 245/75R17 to 285/70R17, a speedometer reading 65 mph means you're actually doing 67.6.
Looking for another size? See the full truck tire size chart.