355/70R17 tire size
355/70R17 is a metric size: 36.6" tall, 14.0" wide, on a 17" rim — about a 36.5x14.00R17. The sidewall is 9.8" and the tire turns 552 times per mile.
355/70R17 specs
| Overall diameter (height) | 36.57" · 929 mm |
|---|---|
| Section width | 13.98" · 355 mm |
| Sidewall height | 9.78" · 249 mm (70% of width) |
| Rim diameter | 17" |
| Circumference | 114.88" · 2.918 m |
| Revolutions per mile | 552 (343 per km) |
| Inch (flotation) equivalent | 36.5x14.00R17 |
Equivalent sizes on a 17" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 35x12.50R17 common | 35.00" | -4.29% | -37 mm | 57.4 mph | calculate → |
| 37x12.50R17 common | 37.00" | +1.18% | -37 mm | 60.7 mph | calculate → |
| 37x13.50R17 | 37.00" | +1.18% | -12 mm | 60.7 mph | calculate → |
| 35x11.50R17 | 35.00" | -4.29% | -63 mm | 57.4 mph | calculate → |
| 38x13.50R17 | 38.00" | +3.92% | -12 mm | 62.4 mph | calculate → |
| 35x14.50R17 | 35.00" | -4.29% | +13 mm | 57.4 mph | calculate → |
| 36x13.50R17 | 36.00" | -1.55% | -12 mm | 59.1 mph | calculate → |
| 35x13.50R17 | 35.00" | -4.29% | -12 mm | 57.4 mph | calculate → |
| 37x11.50R17 | 37.00" | +1.18% | -63 mm | 60.7 mph | calculate → |
| 37x13.00R17 | 37.00" | +1.18% | -25 mm | 60.7 mph | calculate → |
| 37x14.00R17 | 37.00" | +1.18% | +1 mm | 60.7 mph | calculate → |
| 36x12.50R17 | 36.00" | -1.55% | -37 mm | 59.1 mph | calculate → |
| 38x11.50R17 | 38.00" | +3.92% | -63 mm | 62.4 mph | calculate → |
| 38x12.50R17 | 38.00" | +3.92% | -37 mm | 62.4 mph | calculate → |
| 38x14.50R17 | 38.00" | +3.92% | +13 mm | 62.4 mph | calculate → |
| 38x15.50R17 | 38.00" | +3.92% | +39 mm | 62.4 mph | calculate → |
| 35x10.50R17 | 35.00" | -4.29% | -88 mm | 57.4 mph | calculate → |
| 325/70R17 | 34.91" | -4.52% | -30 mm | 57.3 mph | calculate → |
Plus / minus sizing: 16" and 18" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 345/75R16 | 36.37" | -0.53% | -10 mm | 59.7 mph | calculate → |
| 325/80R16 | 36.47" | -0.26% | -30 mm | 59.8 mph | calculate → |
Try another size against 355/70R17
Questions
What size is 355/70R17 in inches?
355/70R17 is about 36.6" tall and 14.0" wide on a 17-inch rim — roughly a 36.5x14.00R17 in inch sizing.
What does 355/70R17 mean?
355 mm section width, sidewall 70% of the width (9.78"), radial construction, 17-inch rim.
What tire sizes are equivalent to 355/70R17?
On the same 17" rim, within 3% of the diameter: 37x11.50R17 (+1.18%), 37x12.50R17 (+1.18%), 37x13.50R17 (+1.18%), 37x13.00R17 (+1.18%), 37x14.00R17 (+1.18%), 36x12.50R17 (-1.55%).
How many revolutions per mile does a 355/70R17 tire make?
About 552 revolutions per mile (circumference 114.9").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.