285/75R17 Tire Size: 33.8" Tall, a 34-Inch Tire
Straight answer
A 285/75R17 stands 33.8 inches tall and 11.2 inches wide on a 17-inch wheel, which makes it a 34-inch tire in truck-speak. NTW stocks 13 tire models in this size right now.
285/75R17 dimensions
Overall diameter
33.83"
Section width
11.22"
Sidewall height
8.42"
Wheel diameter
17"
Circumference
106.3"
Revolutions per mile
596
≈ 33.8x11.2R17 flotation. Nominal math; real tires run a few tenths off depending on brand, load range, rim width, and air pressure.
What 285/75R17 means
- 285Section width: 285 mm (11.2") wall to wall
- 75Aspect ratio: sidewall is 75% of the width, so 8.4" 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.
285/75R17 compared to nearby 17-inch sizes
Speedometer column assumes your truck is calibrated for 285/75R17 and reads 65 mph.
| Size | Height | vs 285/75R17 | Width change | Actual speed | Compare |
|---|---|---|---|---|---|
| 285/70R17 | 32.7" | -1.1" (-3.3%) | 0.0" | 62.8 mph | Full comparison |
| 33x12.50R17 | 33.0" | -0.8" (-2.5%) | +1.3" | 63.4 mph | Full comparison |
| 295/70R17 | 33.3" | -0.6" (-1.7%) | +0.4" | 63.9 mph | Full comparison |
| 315/70R17 | 34.4" | +0.5" (+1.6%) | +1.2" | 66.0 mph | Full comparison |
| 35x12.50R17 | 35.0" | +1.2" (+3.5%) | +1.3" | 67.2 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 295/70R17 does.
Tires in stock in 285/75R17
13 models, 17 SKUs at NTW (different load ranges and sidewall styles). Refreshed daily.
| Tire | Type | Options | From |
|---|---|---|---|
| Falken Wildpeak R/T01 | All Terrain | 2 | $417 |
| Nitto Ridge Grappler | All Terrain | 2 | $353 |
| Nitto Terra Grappler G3 | All Terrain | 2 | $341 |
| Toyo Open Country A/T III | All Terrain | 2 | $356 |
| Bfgoodrich All-Terrain T/A KO3 | All Terrain | 1 | $385 |
| BFGoodrich HD All Terrain KT | All Terrain | 1 | $405 |
| Bfgoodrich Mud-Terrain T/A KM3 | Mud Terrain | 1 | $405 |
| Falken Wildpeak A/T4W | All Terrain | 1 | $358 |
| Nitto Recon Grappler A/T | All Terrain | 1 | $352 |
| Nitto Trail Grappler M/T | Mud Terrain | 1 | $395 |
| Toyo Open Country M/T | Mud Terrain | 1 | $436 |
| Toyo Open Country R/T | All Terrain | 1 | $383 |
| Toyo Open Country R/T Trail | On/Off-Road | 1 | $398 |
Prices per tire at NTW when last checked; confirm at checkout.
Frequently Asked Questions
How tall is a 285/75R17 tire in inches?+
A 285/75R17 is 33.83 inches tall and 11.22 inches wide, with a 8.42-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 285/75R17 a 34-inch tire?+
Close enough that everybody calls it one. It measures 33.8 inches, so it's sold and talked about as a 34. The flotation equivalent is 33.8x11.2R17.
What does 285/75R17 mean?+
285/75R17 means a tire 285 millimeters wide with a sidewall 75% as tall as it is wide, built for a 17-inch wheel.
285/75R17 vs 315/70R17: how much bigger?+
315/70R17 is 0.5 inches taller (1.6%) and 1.2 inches wider. Going from 285/75R17 to 315/70R17, a speedometer reading 65 mph means you're actually doing 66.0.
Looking for another size? See the full truck tire size chart.