235/75R16 tire size
235/75R16 is a metric size: 29.9" tall, 9.3" wide, on a 16" rim — about a 30x9.50R16. The sidewall is 6.9" and the tire turns 675 times per mile.
235/75R16 specs
| Overall diameter (height) | 29.88" · 759 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 6.94" · 176 mm (75% of width) |
| Rim diameter | 16" |
| Circumference | 93.86" · 2.384 m |
| Revolutions per mile | 675 (419 per km) |
| Inch (flotation) equivalent | 30x9.50R16 |
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 | |
|---|---|---|---|---|---|
| 245/75R16 common | 30.47" | +1.98% | +10 mm | 61.2 mph | compare → |
| 225/75R16 common | 29.29" | -1.98% | -10 mm | 58.8 mph | compare → |
| 265/70R16 common | 30.61" | +2.44% | +30 mm | 61.5 mph | compare → |
| 235/70R16 common | 28.95" | -3.10% | 0 mm | 58.1 mph | compare → |
| 245/70R16 common | 29.50" | -1.25% | +10 mm | 59.2 mph | compare → |
| 225/70R16 common | 28.40" | -4.94% | -10 mm | 57.0 mph | compare → |
| 255/70R16 common | 30.06" | +0.59% | +20 mm | 60.4 mph | compare → |
| 215/85R16 common | 30.39" | +1.71% | -20 mm | 61.0 mph | compare → |
| 255/65R16 | 29.05" | -2.77% | +20 mm | 58.3 mph | compare → |
| 275/70R16 | 31.16" | +4.28% | +40 mm | 62.6 mph | compare → |
| 235/80R16 | 30.80" | +3.10% | 0 mm | 61.9 mph | calculate → |
| 215/75R16 | 28.70" | -3.95% | -20 mm | 57.6 mph | calculate → |
| 285/65R16 | 30.59" | +2.37% | +50 mm | 61.4 mph | calculate → |
| 31x12.50R16 | 31.00" | +3.76% | +83 mm | 62.3 mph | calculate → |
| 30x11.50R16 | 30.00" | +0.41% | +57 mm | 60.2 mph | calculate → |
| 285/60R16 | 29.46" | -1.38% | +50 mm | 59.2 mph | calculate → |
| 205/80R16 | 28.91" | -3.23% | -30 mm | 58.1 mph | calculate → |
| 31x10.50R16 | 31.00" | +3.76% | +32 mm | 62.3 mph | calculate → |
| 31x11.50R16 | 31.00" | +3.76% | +57 mm | 62.3 mph | calculate → |
| 31x11.00R16 | 31.00" | +3.76% | +44 mm | 62.3 mph | calculate → |
| 275/60R16 | 28.99" | -2.96% | +40 mm | 58.2 mph | calculate → |
| 225/85R16 | 31.06" | +3.95% | -10 mm | 62.4 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 | |
|---|---|---|---|---|---|
| 255/65R17 common | 30.05" | +0.58% | +20 mm | 60.3 mph | compare → |
| 30x9.50R15 | 30.00" | +0.41% | +6 mm | 60.2 mph | compare → |
| 235/70R17 | 29.95" | +0.25% | 0 mm | 60.2 mph | compare → |
| 275/60R17 | 29.99" | +0.38% | +40 mm | 60.2 mph | calculate → |
| 265/70R15 | 29.61" | -0.91% | +30 mm | 59.5 mph | calculate → |
| 295/65R15 | 30.10" | +0.74% | +60 mm | 60.4 mph | calculate → |
| 30x11.50R15 | 30.00" | +0.41% | +57 mm | 60.2 mph | calculate → |
| 30x10.50R15 | 30.00" | +0.41% | +32 mm | 60.2 mph | calculate → |
| 30x10.00R15 | 30.00" | +0.41% | +19 mm | 60.2 mph | calculate → |
| 30x12.00R15 | 30.00" | +0.41% | +70 mm | 60.2 mph | calculate → |
| 30x9.00R15 | 30.00" | +0.41% | -6 mm | 60.2 mph | calculate → |
| 255/75R15 | 30.06" | +0.61% | +20 mm | 60.4 mph | calculate → |
| 315/60R15 | 29.88" | +0.01% | +80 mm | 60.0 mph | calculate → |
| 30x12.50R15 | 30.00" | +0.41% | +83 mm | 60.2 mph | calculate → |
| 30x13.50R15 | 30.00" | +0.41% | +108 mm | 60.2 mph | calculate → |
| 30x7.00R15 | 30.00" | +0.41% | -57 mm | 60.2 mph | calculate → |
Try another size against 235/75R16
Questions
What size is 235/75R16 in inches?
235/75R16 is about 29.9" tall and 9.3" wide on a 16-inch rim — roughly a 30x9.50R16 in inch sizing.
What does 235/75R16 mean?
235 mm section width, sidewall 75% of the width (6.94"), radial construction, 16-inch rim.
What tire sizes are equivalent to 235/75R16?
On the same 16" rim, within 3% of the diameter: 30x11.50R16 (+0.41%), 255/70R16 (+0.59%), 245/70R16 (-1.25%), 285/60R16 (-1.38%), 215/85R16 (+1.71%), 225/75R16 (-1.98%).
How many revolutions per mile does a 235/75R16 tire make?
About 675 revolutions per mile (circumference 93.9").
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.