225/75R16 tire size
225/75R16 is a metric size: 29.3" tall, 8.9" wide, on a 16" rim — about a 29.5x9.00R16. The sidewall is 6.6" and the tire turns 689 times per mile.
225/75R16 specs
| Overall diameter (height) | 29.29" · 744 mm |
|---|---|
| Section width | 8.86" · 225 mm |
| Sidewall height | 6.64" · 169 mm (75% of width) |
| Rim diameter | 16" |
| Circumference | 92.01" · 2.337 m |
| Revolutions per mile | 689 (428 per km) |
| Inch (flotation) equivalent | 29.5x9.00R16 |
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 | |
|---|---|---|---|---|---|
| 245/75R16 common | 30.47" | +4.03% | +20 mm | 62.4 mph | compare → |
| 235/70R16 common | 28.95" | -1.14% | +10 mm | 59.3 mph | compare → |
| 265/70R16 common | 30.61" | +4.50% | +40 mm | 62.7 mph | compare → |
| 215/70R16 common | 27.85" | -4.91% | -10 mm | 57.1 mph | compare → |
| 235/65R16 common | 28.03" | -4.30% | +10 mm | 57.4 mph | compare → |
| 245/70R16 common | 29.50" | +0.74% | +20 mm | 60.4 mph | compare → |
| 225/70R16 common | 28.40" | -3.02% | 0 mm | 58.2 mph | compare → |
| 255/70R16 common | 30.06" | +2.62% | +30 mm | 61.6 mph | compare → |
| 215/85R16 common | 30.39" | +3.76% | -10 mm | 62.3 mph | compare → |
| 235/75R16 | 29.88" | +2.02% | +10 mm | 61.2 mph | compare → |
| 255/65R16 | 29.05" | -0.81% | +30 mm | 59.5 mph | compare → |
| 205/75R16 | 28.11" | -4.03% | -20 mm | 57.6 mph | calculate → |
| 215/75R16 | 28.70" | -2.02% | -10 mm | 58.8 mph | calculate → |
| 285/65R16 | 30.59" | +4.44% | +60 mm | 62.7 mph | calculate → |
| 285/60R16 | 29.46" | +0.60% | +60 mm | 60.4 mph | calculate → |
| 205/80R16 | 28.91" | -1.28% | -20 mm | 59.2 mph | calculate → |
| 30x11.50R16 | 30.00" | +2.43% | +67 mm | 61.5 mph | calculate → |
| 275/60R16 | 28.99" | -1.01% | +50 mm | 59.4 mph | calculate → |
| 285/55R16 | 28.34" | -3.23% | +60 mm | 58.1 mph | calculate → |
| 195/80R16 | 28.28" | -3.43% | -30 mm | 57.9 mph | calculate → |
| 255/60R16 | 28.05" | -4.23% | +30 mm | 57.5 mph | calculate → |
| 28x11.50R16 | 28.00" | -4.40% | +67 mm | 57.4 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 | |
|---|---|---|---|---|---|
| 235/65R17 common | 29.03" | -0.89% | +10 mm | 59.5 mph | compare → |
| 245/65R17 common | 29.54" | +0.86% | +20 mm | 60.5 mph | compare → |
| 255/60R17 | 29.05" | -0.82% | +30 mm | 59.5 mph | compare → |
| 255/70R15 | 29.06" | -0.79% | +30 mm | 59.5 mph | calculate → |
| 265/60R17 | 29.52" | +0.79% | +40 mm | 60.5 mph | calculate → |
| 29x10.50R15 | 29.00" | -0.98% | +42 mm | 59.4 mph | calculate → |
| 215/85R15 | 29.39" | +0.35% | -10 mm | 60.2 mph | calculate → |
| 175/90R17 | 29.40" | +0.39% | -50 mm | 60.2 mph | calculate → |
| 29.5x10.50R15 | 29.50" | +0.73% | +42 mm | 60.4 mph | calculate → |
| 29.5x11.50R15 | 29.50" | +0.73% | +67 mm | 60.4 mph | calculate → |
| 29.5x13.50R15 | 29.50" | +0.73% | +118 mm | 60.4 mph | calculate → |
| 29.5x9.00R15 | 29.50" | +0.73% | +4 mm | 60.4 mph | calculate → |
| 29x11.50R15 | 29.00" | -0.98% | +67 mm | 59.4 mph | calculate → |
| 29x15.00R15 | 29.00" | -0.98% | +156 mm | 59.4 mph | calculate → |
| 29x18.00R15 | 29.00" | -0.98% | +232 mm | 59.4 mph | calculate → |
| 29x8.50R15 | 29.00" | -0.98% | -9 mm | 59.4 mph | calculate → |
| 225/70R17 | 29.40" | +0.39% | 0 mm | 60.2 mph | calculate → |
| 29x12.50R15 | 29.00" | -0.98% | +93 mm | 59.4 mph | calculate → |
| 29x15.50R15 | 29.00" | -0.98% | +169 mm | 59.4 mph | calculate → |
| 29x18.50R15 | 29.00" | -0.98% | +245 mm | 59.4 mph | calculate → |
Try another size against 225/75R16
Questions
What size is 225/75R16 in inches?
225/75R16 is about 29.3" tall and 8.9" wide on a 16-inch rim — roughly a 29.5x9.00R16 in inch sizing.
What does 225/75R16 mean?
225 mm section width, sidewall 75% of the width (6.64"), radial construction, 16-inch rim.
What tire sizes are equivalent to 225/75R16?
On the same 16" rim, within 3% of the diameter: 285/60R16 (+0.60%), 245/70R16 (+0.74%), 255/65R16 (-0.81%), 275/60R16 (-1.01%), 235/70R16 (-1.14%), 205/80R16 (-1.28%).
How many revolutions per mile does a 225/75R16 tire make?
About 689 revolutions per mile (circumference 92.0").
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.