235/70R16 tire size
235/70R16 is a metric size: 29.0" tall, 9.3" wide, on a 16" rim — about a 29x9.50R16. The sidewall is 6.5" and the tire turns 697 times per mile.
235/70R16 specs
| Overall diameter (height) | 28.95" · 735 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 6.48" · 165 mm (70% of width) |
| Rim diameter | 16" |
| Circumference | 90.96" · 2.310 m |
| Revolutions per mile | 697 (433 per km) |
| Inch (flotation) equivalent | 29x9.50R16 |
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 | |
|---|---|---|---|---|---|
| 225/75R16 common | 29.29" | +1.16% | -10 mm | 60.7 mph | compare → |
| 215/70R16 common | 27.85" | -3.81% | -20 mm | 57.7 mph | compare → |
| 235/65R16 common | 28.03" | -3.20% | 0 mm | 58.1 mph | compare → |
| 245/70R16 common | 29.50" | +1.90% | +10 mm | 61.1 mph | compare → |
| 225/70R16 common | 28.40" | -1.90% | -10 mm | 58.9 mph | compare → |
| 255/70R16 common | 30.06" | +3.81% | +20 mm | 62.3 mph | compare → |
| 215/85R16 common | 30.39" | +4.96% | -20 mm | 63.0 mph | compare → |
| 225/65R16 common | 27.52" | -4.96% | -10 mm | 57.0 mph | compare → |
| 235/75R16 | 29.88" | +3.20% | 0 mm | 61.9 mph | compare → |
| 255/65R16 | 29.05" | +0.34% | +20 mm | 60.2 mph | compare → |
| 195/75R16 | 27.52" | -4.96% | -40 mm | 57.0 mph | compare → |
| 205/75R16 | 28.11" | -2.92% | -30 mm | 58.2 mph | calculate → |
| 215/75R16 | 28.70" | -0.88% | -20 mm | 59.5 mph | calculate → |
| 205/80R16 | 28.91" | -0.14% | -30 mm | 59.9 mph | calculate → |
| 285/60R16 | 29.46" | +1.77% | +50 mm | 61.1 mph | calculate → |
| 30x11.50R16 | 30.00" | +3.62% | +57 mm | 62.2 mph | calculate → |
| 275/60R16 | 28.99" | +0.14% | +40 mm | 60.1 mph | calculate → |
| 285/55R16 | 28.34" | -2.11% | +50 mm | 58.7 mph | calculate → |
| 195/80R16 | 28.28" | -2.31% | -40 mm | 58.6 mph | calculate → |
| 255/60R16 | 28.05" | -3.13% | +20 mm | 58.1 mph | calculate → |
| 28x11.50R16 | 28.00" | -3.29% | +57 mm | 58.0 mph | calculate → |
| 295/50R16 | 27.61" | -4.62% | +60 mm | 57.2 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 | |
|---|---|---|---|---|---|
| 235/65R17 common | 29.03" | +0.26% | 0 mm | 60.2 mph | compare → |
| 235/75R15 common | 28.88" | -0.26% | 0 mm | 59.8 mph | compare → |
| 255/60R17 | 29.05" | +0.33% | +20 mm | 60.2 mph | compare → |
| 275/55R17 | 28.91" | -0.15% | +40 mm | 59.9 mph | compare → |
| 255/70R15 | 29.06" | +0.35% | +20 mm | 60.2 mph | calculate → |
| 215/70R17 | 28.85" | -0.35% | -20 mm | 59.8 mph | calculate → |
| 165/90R17 | 28.69" | -0.90% | -70 mm | 59.5 mph | calculate → |
| 29x10.50R15 | 29.00" | +0.16% | +32 mm | 60.1 mph | calculate → |
| 29x11.50R15 | 29.00" | +0.16% | +57 mm | 60.1 mph | calculate → |
| 29x15.00R15 | 29.00" | +0.16% | +146 mm | 60.1 mph | calculate → |
| 29x18.00R15 | 29.00" | +0.16% | +222 mm | 60.1 mph | calculate → |
| 29x8.50R15 | 29.00" | +0.16% | -19 mm | 60.1 mph | calculate → |
| 29x12.50R15 | 29.00" | +0.16% | +83 mm | 60.1 mph | calculate → |
| 29x15.50R15 | 29.00" | +0.16% | +159 mm | 60.1 mph | calculate → |
| 29x18.50R15 | 29.00" | +0.16% | +235 mm | 60.1 mph | calculate → |
Try another size against 235/70R16
Questions
What size is 235/70R16 in inches?
235/70R16 is about 29.0" tall and 9.3" wide on a 16-inch rim — roughly a 29x9.50R16 in inch sizing.
What does 235/70R16 mean?
235 mm section width, sidewall 70% of the width (6.48"), radial construction, 16-inch rim.
What tire sizes are equivalent to 235/70R16?
On the same 16" rim, within 3% of the diameter: 205/80R16 (-0.14%), 275/60R16 (+0.14%), 255/65R16 (+0.34%), 215/75R16 (-0.88%), 225/75R16 (+1.16%), 285/60R16 (+1.77%).
How many revolutions per mile does a 235/70R16 tire make?
About 697 revolutions per mile (circumference 91.0").
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.