275/70R16 tire size
275/70R16 is a metric size: 31.2" tall, 10.8" wide, on a 16" rim — about a 31x11.00R16. The sidewall is 7.6" and the tire turns 647 times per mile.
275/70R16 specs
| Overall diameter (height) | 31.16" · 791 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 7.58" · 193 mm (70% of width) |
| Rim diameter | 16" |
| Circumference | 97.88" · 2.486 m |
| Revolutions per mile | 647 (402 per km) |
| Inch (flotation) equivalent | 31x11.00R16 |
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 | |
|---|---|---|---|---|---|
| 265/75R16 common | 31.65" | +1.58% | -10 mm | 60.9 mph | compare → |
| 245/75R16 common | 30.47" | -2.21% | -30 mm | 58.7 mph | compare → |
| 265/70R16 common | 30.61" | -1.77% | -10 mm | 58.9 mph | compare → |
| 235/85R16 common | 31.73" | +1.83% | -40 mm | 61.1 mph | compare → |
| 215/85R16 common | 30.39" | -2.46% | -60 mm | 58.5 mph | compare → |
| 255/70R16 common | 30.06" | -3.54% | -20 mm | 57.9 mph | compare → |
| 235/75R16 | 29.88" | -4.11% | -40 mm | 57.5 mph | compare → |
| 235/80R16 | 30.80" | -1.14% | -40 mm | 59.3 mph | calculate → |
| 31x12.50R16 | 31.00" | -0.51% | +43 mm | 59.7 mph | calculate → |
| 285/70R16 | 31.71" | +1.77% | +10 mm | 61.1 mph | calculate → |
| 285/65R16 | 30.59" | -1.83% | +10 mm | 58.9 mph | calculate → |
| 32x11.50R16 | 32.00" | +2.70% | +17 mm | 61.6 mph | calculate → |
| 31x10.50R16 | 31.00" | -0.51% | -8 mm | 59.7 mph | calculate → |
| 31x11.50R16 | 31.00" | -0.51% | +17 mm | 59.7 mph | calculate → |
| 31x11.00R16 | 31.00" | -0.51% | +4 mm | 59.7 mph | calculate → |
| 225/90R16 | 31.94" | +2.53% | -50 mm | 61.5 mph | calculate → |
| 32x10.00R16 | 32.00" | +2.70% | -21 mm | 61.6 mph | calculate → |
| 32x9.00R16 | 32.00" | +2.70% | -46 mm | 61.6 mph | calculate → |
| 30x11.50R16 | 30.00" | -3.71% | +17 mm | 57.8 mph | calculate → |
| 265/80R16 | 32.69" | +4.93% | -10 mm | 63.0 mph | calculate → |
| 225/85R16 | 31.06" | -0.32% | -50 mm | 59.8 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 | |
|---|---|---|---|---|---|
| 245/75R17 common | 31.47" | +1.00% | -30 mm | 60.6 mph | compare → |
| 31x10.50R15 common | 31.00" | -0.51% | -8 mm | 59.7 mph | compare → |
| 255/70R17 common | 31.06" | -0.33% | -20 mm | 59.8 mph | compare → |
| 235/75R17 | 30.88" | -0.90% | -40 mm | 59.5 mph | compare → |
| 275/65R17 | 31.07" | -0.27% | 0 mm | 59.8 mph | calculate → |
| 31x12.50R15 | 31.00" | -0.51% | +43 mm | 59.7 mph | calculate → |
| 31x10.50R17 | 31.00" | -0.51% | -8 mm | 59.7 mph | calculate → |
| 31x11.50R15 | 31.00" | -0.51% | +17 mm | 59.7 mph | calculate → |
| 31x11.00R15 | 31.00" | -0.51% | +4 mm | 59.7 mph | calculate → |
| 31x13.50R15 | 31.00" | -0.51% | +68 mm | 59.7 mph | calculate → |
| 31x13.00R15 | 31.00" | -0.51% | +55 mm | 59.7 mph | calculate → |
| 31x16.50R15 | 31.00" | -0.51% | +144 mm | 59.7 mph | calculate → |
| 31x16.00R15 | 31.00" | -0.51% | +131 mm | 59.7 mph | calculate → |
| 31x18.00R15 | 31.00" | -0.51% | +182 mm | 59.7 mph | calculate → |
| 31x9.50R15 | 31.00" | -0.51% | -34 mm | 59.7 mph | calculate → |
| 31x14.50R15 | 31.00" | -0.51% | +93 mm | 59.7 mph | calculate → |
| 31x18.50R15 | 31.00" | -0.51% | +195 mm | 59.7 mph | calculate → |
Try another size against 275/70R16
Questions
What size is 275/70R16 in inches?
275/70R16 is about 31.2" tall and 10.8" wide on a 16-inch rim — roughly a 31x11.00R16 in inch sizing.
What does 275/70R16 mean?
275 mm section width, sidewall 70% of the width (7.58"), radial construction, 16-inch rim.
What tire sizes are equivalent to 275/70R16?
On the same 16" rim, within 3% of the diameter: 225/85R16 (-0.32%), 31x10.50R16 (-0.51%), 31x11.50R16 (-0.51%), 31x11.00R16 (-0.51%), 31x12.50R16 (-0.51%), 235/80R16 (-1.14%).
How many revolutions per mile does a 275/70R16 tire make?
About 647 revolutions per mile (circumference 97.9").
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.