225/70R16 tire size
225/70R16 is a metric size: 28.4" tall, 8.9" wide, on a 16" rim — about a 28.5x9.00R16. The sidewall is 6.2" and the tire turns 710 times per mile.
225/70R16 specs
| Overall diameter (height) | 28.40" · 721 mm |
|---|---|
| Section width | 8.86" · 225 mm |
| Sidewall height | 6.20" · 158 mm (70% of width) |
| Rim diameter | 16" |
| Circumference | 89.23" · 2.266 m |
| Revolutions per mile | 710 (441 per km) |
| Inch (flotation) equivalent | 28.5x9.00R16 |
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 | |
|---|---|---|---|---|---|
| 225/75R16 common | 29.29" | +3.12% | 0 mm | 61.9 mph | compare → |
| 235/70R16 common | 28.95" | +1.94% | +10 mm | 61.2 mph | compare → |
| 215/65R16 common | 27.00" | -4.92% | -10 mm | 57.0 mph | compare → |
| 215/70R16 common | 27.85" | -1.94% | -10 mm | 58.8 mph | compare → |
| 235/65R16 common | 28.03" | -1.32% | +10 mm | 59.2 mph | compare → |
| 245/70R16 common | 29.50" | +3.88% | +20 mm | 62.3 mph | compare → |
| 225/65R16 common | 27.52" | -3.12% | 0 mm | 58.1 mph | compare → |
| 235/60R16 common | 27.10" | -4.57% | +10 mm | 57.3 mph | compare → |
| 255/65R16 | 29.05" | +2.29% | +30 mm | 61.4 mph | compare → |
| 195/75R16 | 27.52" | -3.12% | -30 mm | 58.1 mph | compare → |
| 205/70R16 | 27.30" | -3.88% | -20 mm | 57.7 mph | compare → |
| 205/75R16 | 28.11" | -1.04% | -20 mm | 59.4 mph | calculate → |
| 215/75R16 | 28.70" | +1.04% | -10 mm | 60.6 mph | calculate → |
| 155/90R16 | 26.98" | -4.99% | -70 mm | 57.0 mph | calculate → |
| 205/80R16 | 28.91" | +1.80% | -20 mm | 61.1 mph | calculate → |
| 285/60R16 | 29.46" | +3.74% | +60 mm | 62.2 mph | calculate → |
| 285/55R16 | 28.34" | -0.21% | +60 mm | 59.9 mph | calculate → |
| 195/80R16 | 28.28" | -0.42% | -30 mm | 59.8 mph | calculate → |
| 255/60R16 | 28.05" | -1.25% | +30 mm | 59.3 mph | calculate → |
| 28x11.50R16 | 28.00" | -1.41% | +67 mm | 59.2 mph | calculate → |
| 275/60R16 | 28.99" | +2.08% | +50 mm | 61.2 mph | calculate → |
| 295/50R16 | 27.61" | -2.77% | +70 mm | 58.3 mph | calculate → |
| 355/40R16 | 27.18" | -4.30% | +130 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 | |
|---|---|---|---|---|---|
| 225/65R17 common | 28.52" | +0.40% | 0 mm | 60.2 mph | compare → |
| 225/75R15 | 28.29" | -0.40% | 0 mm | 59.8 mph | compare → |
| 245/70R15 | 28.50" | +0.36% | +20 mm | 60.2 mph | calculate → |
| 245/60R17 | 28.57" | +0.61% | +20 mm | 60.4 mph | calculate → |
Try another size against 225/70R16
Questions
What size is 225/70R16 in inches?
225/70R16 is about 28.4" tall and 8.9" wide on a 16-inch rim — roughly a 28.5x9.00R16 in inch sizing.
What does 225/70R16 mean?
225 mm section width, sidewall 70% of the width (6.20"), radial construction, 16-inch rim.
What tire sizes are equivalent to 225/70R16?
On the same 16" rim, within 3% of the diameter: 285/55R16 (-0.21%), 195/80R16 (-0.42%), 205/75R16 (-1.04%), 215/75R16 (+1.04%), 255/60R16 (-1.25%), 235/65R16 (-1.32%).
How many revolutions per mile does a 225/70R16 tire make?
About 710 revolutions per mile (circumference 89.2").
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.