205/80R16 tire size
205/80R16 is a metric size: 28.9" tall, 8.1" wide, on a 16" rim — about a 29x8.00R16. The sidewall is 6.5" and the tire turns 698 times per mile.
205/80R16 specs
| Overall diameter (height) | 28.91" · 734 mm |
|---|---|
| Section width | 8.07" · 205 mm |
| Sidewall height | 6.46" · 164 mm (80% of width) |
| Rim diameter | 16" |
| Circumference | 90.83" · 2.307 m |
| Revolutions per mile | 698 (433 per km) |
| Inch (flotation) equivalent | 29x8.00R16 |
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" | +1.29% | +20 mm | 60.8 mph | calculate → |
| 235/70R16 common | 28.95" | +0.14% | +30 mm | 60.1 mph | calculate → |
| 215/70R16 common | 27.85" | -3.68% | +10 mm | 57.8 mph | calculate → |
| 235/65R16 common | 28.03" | -3.06% | +30 mm | 58.2 mph | calculate → |
| 245/70R16 common | 29.50" | +2.04% | +40 mm | 61.2 mph | calculate → |
| 225/70R16 common | 28.40" | -1.77% | +20 mm | 58.9 mph | calculate → |
| 255/70R16 common | 30.06" | +3.95% | +50 mm | 62.4 mph | calculate → |
| 225/65R16 common | 27.52" | -4.83% | +20 mm | 57.1 mph | calculate → |
| 235/75R16 | 29.88" | +3.34% | +30 mm | 62.0 mph | calculate → |
| 255/65R16 | 29.05" | +0.48% | +50 mm | 60.3 mph | calculate → |
| 195/75R16 | 27.52" | -4.83% | -10 mm | 57.1 mph | calculate → |
| 205/75R16 | 28.11" | -2.79% | 0 mm | 58.3 mph | calculate → |
| 215/75R16 | 28.70" | -0.75% | +10 mm | 59.6 mph | calculate → |
| 285/60R16 | 29.46" | +1.91% | +80 mm | 61.1 mph | calculate → |
| 30x11.50R16 | 30.00" | +3.76% | +87 mm | 62.3 mph | calculate → |
| 275/60R16 | 28.99" | +0.27% | +70 mm | 60.2 mph | calculate → |
| 285/55R16 | 28.34" | -1.97% | +80 mm | 58.8 mph | calculate → |
| 195/80R16 | 28.28" | -2.18% | -10 mm | 58.7 mph | calculate → |
| 255/60R16 | 28.05" | -3.00% | +50 mm | 58.2 mph | calculate → |
| 28x11.50R16 | 28.00" | -3.16% | +87 mm | 58.1 mph | calculate → |
| 295/50R16 | 27.61" | -4.49% | +90 mm | 57.3 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" | +0.39% | +30 mm | 60.2 mph | calculate → |
| 235/75R15 common | 28.88" | -0.12% | +30 mm | 59.9 mph | calculate → |
| 255/60R17 | 29.05" | +0.46% | +50 mm | 60.3 mph | calculate → |
| 275/55R17 | 28.91" | -0.01% | +70 mm | 60.0 mph | calculate → |
| 255/70R15 | 29.06" | +0.49% | +50 mm | 60.3 mph | calculate → |
| 215/70R17 | 28.85" | -0.22% | +10 mm | 59.9 mph | calculate → |
| 165/90R17 | 28.69" | -0.76% | -40 mm | 59.5 mph | calculate → |
| 29x10.50R15 | 29.00" | +0.30% | +62 mm | 60.2 mph | calculate → |
| 29x11.50R15 | 29.00" | +0.30% | +87 mm | 60.2 mph | calculate → |
| 29x15.00R15 | 29.00" | +0.30% | +176 mm | 60.2 mph | calculate → |
| 29x18.00R15 | 29.00" | +0.30% | +252 mm | 60.2 mph | calculate → |
| 29x8.50R15 | 29.00" | +0.30% | +11 mm | 60.2 mph | calculate → |
| 29x12.50R15 | 29.00" | +0.30% | +113 mm | 60.2 mph | calculate → |
| 29x15.50R15 | 29.00" | +0.30% | +189 mm | 60.2 mph | calculate → |
| 29x18.50R15 | 29.00" | +0.30% | +265 mm | 60.2 mph | calculate → |
Try another size against 205/80R16
Questions
What size is 205/80R16 in inches?
205/80R16 is about 28.9" tall and 8.1" wide on a 16-inch rim — roughly a 29x8.00R16 in inch sizing.
What does 205/80R16 mean?
205 mm section width, sidewall 80% of the width (6.46"), radial construction, 16-inch rim.
What tire sizes are equivalent to 205/80R16?
On the same 16" rim, within 3% of the diameter: 235/70R16 (+0.14%), 275/60R16 (+0.27%), 255/65R16 (+0.48%), 215/75R16 (-0.75%), 225/75R16 (+1.29%), 225/70R16 (-1.77%).
How many revolutions per mile does a 205/80R16 tire make?
About 698 revolutions per mile (circumference 90.8").
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.