315/75R16 tire size
315/75R16 is a metric size: 34.6" tall, 12.4" wide, on a 16" rim — about a 34.5x12.50R16. The sidewall is 9.3" and the tire turns 583 times per mile.
315/75R16 specs
| Overall diameter (height) | 34.60" · 879 mm |
|---|---|
| Section width | 12.40" · 315 mm |
| Sidewall height | 9.30" · 236 mm (75% of width) |
| Rim diameter | 16" |
| Circumference | 108.71" · 2.761 m |
| Revolutions per mile | 583 (362 per km) |
| Inch (flotation) equivalent | 34.5x12.50R16 |
Equivalent sizes on a 16" 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 | |
|---|---|---|---|---|---|
| 255/85R16 | 33.07" | -4.44% | -60 mm | 57.3 mph | compare → |
| 35x12.50R16 | 35.00" | +1.15% | +3 mm | 60.7 mph | calculate → |
| 295/75R16 | 33.42" | -3.41% | -20 mm | 58.0 mph | calculate → |
| 33x10.50R16 | 33.00" | -4.63% | -48 mm | 57.2 mph | calculate → |
| 33x12.50R16 | 33.00" | -4.63% | +3 mm | 57.2 mph | calculate → |
| 35x10.50R16 | 35.00" | +1.15% | -48 mm | 60.7 mph | calculate → |
| 35x14.50R16 | 35.00" | +1.15% | +53 mm | 60.7 mph | calculate → |
| 36x12.50R16 | 36.00" | +4.04% | +3 mm | 62.4 mph | calculate → |
| 36x13.50R16 | 36.00" | +4.04% | +28 mm | 62.4 mph | calculate → |
| 33x11.50R16 | 33.00" | -4.63% | -23 mm | 57.2 mph | calculate → |
| 33x13.00R16 | 33.00" | -4.63% | +15 mm | 57.2 mph | calculate → |
| 34.5x17.00R16 | 34.50" | -0.30% | +117 mm | 59.8 mph | calculate → |
| 35x11.50R16 | 35.00" | +1.15% | -23 mm | 60.7 mph | calculate → |
| 35x15.00R16 | 35.00" | +1.15% | +66 mm | 60.7 mph | calculate → |
| 35x16.00R16 | 35.00" | +1.15% | +91 mm | 60.7 mph | calculate → |
| 34x10.50R16 | 34.00" | -1.74% | -48 mm | 59.0 mph | calculate → |
| 34x12.50R16 | 34.00" | -1.74% | +3 mm | 59.0 mph | calculate → |
| 34x13.50R16 | 34.00" | -1.74% | +28 mm | 59.0 mph | calculate → |
| 34x9.00R16 | 34.00" | -1.74% | -86 mm | 59.0 mph | calculate → |
| 33.5x16.50R16 | 33.50" | -3.19% | +104 mm | 58.1 mph | calculate → |
| 36x13.00R16 | 36.00" | +4.04% | +15 mm | 62.4 mph | calculate → |
| 36x14.50R16 | 36.00" | +4.04% | +53 mm | 62.4 mph | calculate → |
| 33x13.50R16 | 33.00" | -4.63% | +28 mm | 57.2 mph | calculate → |
| 33x14.50R16 | 33.00" | -4.63% | +53 mm | 57.2 mph | calculate → |
| 33x14.00R16 | 33.00" | -4.63% | +41 mm | 57.2 mph | calculate → |
| 33x9.50R16 | 33.00" | -4.63% | -74 mm | 57.2 mph | calculate → |
| 375/65R16 | 35.19" | +1.71% | +60 mm | 61.0 mph | calculate → |
Plus / minus sizing: 15" and 17" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 315/70R17 common | 34.36" | -0.69% | 0 mm | 59.6 mph | compare → |
| 275/80R17 | 34.32" | -0.81% | -40 mm | 59.5 mph | calculate → |
| 325/70R17 | 34.91" | +0.90% | +10 mm | 60.5 mph | calculate → |
Try another size against 315/75R16
Questions
What size is 315/75R16 in inches?
315/75R16 is about 34.6" tall and 12.4" wide on a 16-inch rim — roughly a 34.5x12.50R16 in inch sizing.
What does 315/75R16 mean?
315 mm section width, sidewall 75% of the width (9.30"), radial construction, 16-inch rim.
What tire sizes are equivalent to 315/75R16?
On the same 16" rim, within 3% of the diameter: 34.5x17.00R16 (-0.30%), 35x10.50R16 (+1.15%), 35x11.50R16 (+1.15%), 35x12.50R16 (+1.15%), 35x14.50R16 (+1.15%), 35x15.00R16 (+1.15%).
How many revolutions per mile does a 315/75R16 tire make?
About 583 revolutions per mile (circumference 108.7").
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.