225/65R16 tire size
225/65R16 is a metric size: 27.5" tall, 8.9" wide, on a 16" rim — about a 27.5x9.00R16. The sidewall is 5.8" and the tire turns 733 times per mile.
225/65R16 specs
| Overall diameter (height) | 27.52" · 699 mm |
|---|---|
| Section width | 8.86" · 225 mm |
| Sidewall height | 5.76" · 146 mm (65% of width) |
| Rim diameter | 16" |
| Circumference | 86.44" · 2.196 m |
| Revolutions per mile | 733 (455 per km) |
| Inch (flotation) equivalent | 27.5x9.00R16 |
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 | |
|---|---|---|---|---|---|
| 215/65R16 common | 27.00" | -1.86% | -10 mm | 58.9 mph | compare → |
| 215/60R16 common | 26.16" | -4.94% | -10 mm | 57.0 mph | compare → |
| 215/70R16 common | 27.85" | +1.22% | -10 mm | 60.7 mph | compare → |
| 205/65R16 common | 26.49" | -3.72% | -20 mm | 57.8 mph | compare → |
| 235/65R16 common | 28.03" | +1.86% | +10 mm | 61.1 mph | compare → |
| 225/60R16 common | 26.63" | -3.22% | 0 mm | 58.1 mph | compare → |
| 225/70R16 common | 28.40" | +3.22% | 0 mm | 61.9 mph | compare → |
| 235/60R16 common | 27.10" | -1.50% | +10 mm | 59.1 mph | compare → |
| 195/75R16 | 27.52" | 0.00% | -30 mm | 60.0 mph | compare → |
| 205/70R16 | 27.30" | -0.79% | -20 mm | 59.5 mph | compare → |
| 205/75R16 | 28.11" | +2.15% | -20 mm | 61.3 mph | calculate → |
| 145/90R16 | 26.28" | -4.51% | -80 mm | 57.3 mph | calculate → |
| 155/90R16 | 26.98" | -1.93% | -70 mm | 58.8 mph | calculate → |
| 215/75R16 | 28.70" | +4.29% | -10 mm | 62.6 mph | calculate → |
| 235/55R16 | 26.18" | -4.86% | +10 mm | 57.1 mph | calculate → |
| 295/50R16 | 27.61" | +0.36% | +70 mm | 60.2 mph | calculate → |
| 355/40R16 | 27.18" | -1.22% | +130 mm | 59.3 mph | calculate → |
| 28x11.50R16 | 28.00" | +1.76% | +67 mm | 61.1 mph | calculate → |
| 255/60R16 | 28.05" | +1.93% | +30 mm | 61.2 mph | calculate → |
| 195/80R16 | 28.28" | +2.79% | -30 mm | 61.7 mph | calculate → |
| 285/55R16 | 28.34" | +3.00% | +60 mm | 61.8 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 | |
|---|---|---|---|---|---|
| 225/60R17 common | 27.63" | +0.41% | 0 mm | 60.2 mph | compare → |
| 225/70R15 | 27.40" | -0.41% | 0 mm | 59.8 mph | compare → |
| 215/75R15 | 27.70" | +0.66% | -10 mm | 60.4 mph | compare → |
| 245/55R17 | 27.61" | +0.34% | +20 mm | 60.2 mph | calculate → |
| 165/80R17 | 27.39" | -0.44% | -60 mm | 59.7 mph | calculate → |
| 295/55R15 | 27.78" | +0.94% | +70 mm | 60.6 mph | calculate → |
| 145/90R17 | 27.28" | -0.87% | -80 mm | 59.5 mph | calculate → |
| 205/65R17 | 27.49" | -0.09% | -20 mm | 59.9 mph | calculate → |
Try another size against 225/65R16
Questions
What size is 225/65R16 in inches?
225/65R16 is about 27.5" tall and 8.9" wide on a 16-inch rim — roughly a 27.5x9.00R16 in inch sizing.
What does 225/65R16 mean?
225 mm section width, sidewall 65% of the width (5.76"), radial construction, 16-inch rim.
What tire sizes are equivalent to 225/65R16?
On the same 16" rim, within 3% of the diameter: 195/75R16 (0.00%), 295/50R16 (+0.36%), 205/70R16 (-0.79%), 215/70R16 (+1.22%), 355/40R16 (-1.22%), 235/60R16 (-1.50%).
How many revolutions per mile does a 225/65R16 tire make?
About 733 revolutions per mile (circumference 86.4").
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.