205/65R17 tire size
205/65R17 is a metric size: 27.5" tall, 8.1" wide, on a 17" rim — about a 27.5x8.00R17. The sidewall is 5.2" and the tire turns 734 times per mile.
205/65R17 specs
| Overall diameter (height) | 27.49" · 698 mm |
|---|---|
| Section width | 8.07" · 205 mm |
| Sidewall height | 5.25" · 133 mm (65% of width) |
| Rim diameter | 17" |
| Circumference | 86.37" · 2.194 m |
| Revolutions per mile | 734 (456 per km) |
| Inch (flotation) equivalent | 27.5x8.00R17 |
Equivalent sizes on a 17" 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 | |
|---|---|---|---|---|---|
| 225/55R17 common | 26.74" | -2.72% | +20 mm | 58.4 mph | calculate → |
| 225/65R17 common | 28.52" | +3.72% | +20 mm | 62.2 mph | calculate → |
| 235/55R17 common | 27.18" | -1.15% | +30 mm | 59.3 mph | calculate → |
| 215/55R17 common | 26.31" | -4.30% | +10 mm | 57.4 mph | calculate → |
| 225/60R17 common | 27.63" | +0.50% | +20 mm | 60.3 mph | calculate → |
| 235/60R17 common | 28.10" | +2.22% | +30 mm | 61.3 mph | calculate → |
| 215/65R17 common | 28.00" | +1.86% | +10 mm | 61.1 mph | calculate → |
| 215/60R17 common | 27.16" | -1.22% | +10 mm | 59.3 mph | calculate → |
| 235/50R17 common | 26.25" | -4.51% | +30 mm | 57.3 mph | calculate → |
| 245/50R17 | 26.65" | -3.08% | +40 mm | 58.2 mph | calculate → |
| 245/55R17 | 27.61" | +0.43% | +40 mm | 60.3 mph | calculate → |
| 165/90R17 | 28.69" | +4.37% | -40 mm | 62.6 mph | calculate → |
| 335/35R17 | 26.23" | -4.58% | +130 mm | 57.3 mph | calculate → |
| 215/70R17 | 28.85" | +4.94% | +10 mm | 63.0 mph | calculate → |
| 165/80R17 | 27.39" | -0.36% | -40 mm | 59.8 mph | calculate → |
| 305/45R17 | 27.81" | +1.15% | +100 mm | 60.7 mph | calculate → |
| 255/50R17 | 27.04" | -1.65% | +50 mm | 59.0 mph | calculate → |
| 155/90R17 | 27.98" | +1.79% | -50 mm | 61.1 mph | calculate → |
| 255/55R17 | 28.04" | +2.00% | +50 mm | 61.2 mph | calculate → |
| 195/60R17 | 26.21" | -4.65% | -10 mm | 57.2 mph | calculate → |
| 155/80R17 | 26.76" | -2.65% | -50 mm | 58.4 mph | calculate → |
| 145/80R17 | 26.13" | -4.94% | -60 mm | 57.0 mph | calculate → |
| 145/90R17 | 27.28" | -0.79% | -60 mm | 59.5 mph | calculate → |
| 275/50R17 | 27.83" | +1.22% | +70 mm | 60.7 mph | calculate → |
| 28x6.00R17 | 28.00" | +1.85% | -53 mm | 61.1 mph | calculate → |
| 345/40R17 | 27.87" | +1.36% | +140 mm | 60.8 mph | calculate → |
| 205/60R17 | 26.69" | -2.94% | 0 mm | 58.2 mph | calculate → |
| 245/60R17 | 28.57" | +3.94% | +40 mm | 62.4 mph | calculate → |
| 295/40R17 | 26.29" | -4.37% | +90 mm | 57.4 mph | calculate → |
Plus / minus sizing: 16" and 18" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 235/50R18 common | 27.25" | -0.87% | +30 mm | 59.5 mph | calculate → |
| 225/55R18 common | 27.74" | +0.92% | +20 mm | 60.5 mph | calculate → |
| 245/50R18 common | 27.65" | +0.56% | +40 mm | 60.3 mph | calculate → |
| 215/55R18 common | 27.31" | -0.66% | +10 mm | 59.6 mph | calculate → |
| 225/65R16 common | 27.52" | +0.09% | +20 mm | 60.1 mph | calculate → |
| 195/75R16 | 27.52" | +0.09% | -10 mm | 60.1 mph | calculate → |
| 205/70R16 | 27.30" | -0.70% | 0 mm | 59.6 mph | calculate → |
| 275/45R18 | 27.74" | +0.92% | +70 mm | 60.5 mph | calculate → |
| 265/45R18 | 27.39" | -0.37% | +60 mm | 59.8 mph | calculate → |
| 295/40R18 | 27.29" | -0.73% | +90 mm | 59.6 mph | calculate → |
| 345/35R18 | 27.51" | +0.06% | +140 mm | 60.0 mph | calculate → |
| 305/40R18 | 27.61" | +0.42% | +100 mm | 60.2 mph | calculate → |
| 145/85R18 | 27.70" | +0.77% | -60 mm | 60.5 mph | calculate → |
| 295/50R16 | 27.61" | +0.44% | +90 mm | 60.3 mph | calculate → |
| 205/60R18 | 27.69" | +0.70% | 0 mm | 60.4 mph | calculate → |
Try another size against 205/65R17
Questions
What size is 205/65R17 in inches?
205/65R17 is about 27.5" tall and 8.1" wide on a 17-inch rim — roughly a 27.5x8.00R17 in inch sizing.
What does 205/65R17 mean?
205 mm section width, sidewall 65% of the width (5.25"), radial construction, 17-inch rim.
What tire sizes are equivalent to 205/65R17?
On the same 17" rim, within 3% of the diameter: 165/80R17 (-0.36%), 245/55R17 (+0.43%), 225/60R17 (+0.50%), 145/90R17 (-0.79%), 235/55R17 (-1.15%), 305/45R17 (+1.15%).
How many revolutions per mile does a 205/65R17 tire make?
About 734 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.