165/70R17 tire size
165/70R17 is a metric size: 26.1" tall, 6.5" wide, on a 17" rim — about a 26x6.50R17. The sidewall is 4.5" and the tire turns 773 times per mile.
165/70R17 specs
| Overall diameter (height) | 26.09" · 663 mm |
|---|---|
| Section width | 6.50" · 165 mm |
| Sidewall height | 4.55" · 115 mm (70% of width) |
| Rim diameter | 17" |
| Circumference | 81.98" · 2.082 m |
| Revolutions per mile | 773 (480 per km) |
| Inch (flotation) equivalent | 26x6.50R17 |
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 | |
|---|---|---|---|---|---|
| 225/45R17 common | 24.97" | -4.30% | +60 mm | 57.4 mph | calculate → |
| 225/50R17 common | 25.86" | -0.91% | +60 mm | 59.5 mph | calculate → |
| 225/55R17 common | 26.74" | +2.49% | +60 mm | 61.5 mph | calculate → |
| 235/55R17 common | 27.18" | +4.15% | +70 mm | 62.5 mph | calculate → |
| 205/50R17 common | 25.07" | -3.92% | +40 mm | 57.6 mph | calculate → |
| 215/55R17 common | 26.31" | +0.83% | +50 mm | 60.5 mph | calculate → |
| 215/50R17 common | 25.46" | -2.41% | +50 mm | 58.6 mph | calculate → |
| 235/45R17 common | 25.33" | -2.94% | +70 mm | 58.2 mph | calculate → |
| 245/45R17 common | 25.68" | -1.58% | +80 mm | 59.0 mph | calculate → |
| 215/60R17 common | 27.16" | +4.07% | +50 mm | 62.4 mph | calculate → |
| 235/50R17 common | 26.25" | +0.60% | +70 mm | 60.4 mph | calculate → |
| 255/40R17 common | 25.03" | -4.07% | +90 mm | 57.6 mph | calculate → |
| 205/55R17 | 25.88" | -0.83% | +40 mm | 59.5 mph | calculate → |
| 275/40R17 | 25.66" | -1.66% | +110 mm | 59.0 mph | calculate → |
| 245/50R17 | 26.65" | +2.11% | +80 mm | 61.3 mph | calculate → |
| 255/45R17 | 26.04" | -0.23% | +90 mm | 59.9 mph | calculate → |
| 315/35R17 | 25.68" | -1.58% | +150 mm | 59.0 mph | calculate → |
| 335/35R17 | 26.23" | +0.53% | +170 mm | 60.3 mph | calculate → |
| 195/60R17 | 26.21" | +0.45% | +30 mm | 60.3 mph | calculate → |
| 285/40R17 | 25.98" | -0.45% | +120 mm | 59.7 mph | calculate → |
| 155/70R17 | 25.54" | -2.11% | -10 mm | 58.7 mph | calculate → |
| 265/40R17 | 25.35" | -2.87% | +100 mm | 58.3 mph | calculate → |
| 255/50R17 | 27.04" | +3.62% | +90 mm | 62.2 mph | calculate → |
| 165/80R17 | 27.39" | +4.98% | 0 mm | 63.0 mph | calculate → |
| 145/80R17 | 26.13" | +0.15% | -20 mm | 60.1 mph | calculate → |
| 175/65R17 | 25.96" | -0.53% | +10 mm | 59.7 mph | calculate → |
| 155/80R17 | 26.76" | +2.56% | -10 mm | 61.5 mph | calculate → |
| 295/35R17 | 25.13" | -3.70% | +130 mm | 57.8 mph | calculate → |
| 26x6.00R17 | 26.00" | -0.36% | -13 mm | 59.8 mph | calculate → |
| 185/60R17 | 25.74" | -1.36% | +20 mm | 59.2 mph | calculate → |
| 145/70R17 | 24.99" | -4.22% | -20 mm | 57.5 mph | calculate → |
| 145/90R17 | 27.28" | +4.53% | -20 mm | 62.7 mph | calculate → |
| 295/40R17 | 26.29" | +0.75% | +130 mm | 60.5 mph | calculate → |
| 205/60R17 | 26.69" | +2.26% | +40 mm | 61.4 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 | |
|---|---|---|---|---|---|
| 225/45R18 common | 25.97" | -0.47% | +60 mm | 59.7 mph | calculate → |
| 235/45R18 common | 26.33" | +0.89% | +70 mm | 60.5 mph | calculate → |
| 215/60R16 common | 26.16" | +0.24% | +50 mm | 60.1 mph | calculate → |
| 255/40R18 common | 26.03" | -0.24% | +90 mm | 59.9 mph | calculate → |
| 285/35R18 | 25.85" | -0.92% | +120 mm | 59.4 mph | calculate → |
| 265/40R18 | 26.35" | +0.97% | +100 mm | 60.6 mph | calculate → |
| 295/35R18 | 26.13" | +0.14% | +130 mm | 60.1 mph | calculate → |
| 335/30R18 | 25.91" | -0.69% | +170 mm | 59.6 mph | calculate → |
| 255/50R16 | 26.04" | -0.21% | +90 mm | 59.9 mph | calculate → |
| 145/90R16 | 26.28" | +0.69% | -20 mm | 60.4 mph | calculate → |
| 235/55R16 | 26.18" | +0.32% | +70 mm | 60.2 mph | calculate → |
| 195/65R16 | 25.98" | -0.44% | +30 mm | 59.7 mph | calculate → |
| 26x12.00R18 | 26.00" | -0.36% | +140 mm | 59.8 mph | calculate → |
| 26x6.00R18 | 26.00" | -0.36% | -13 mm | 59.8 mph | calculate → |
| 26x8.00R18 | 26.00" | -0.36% | +38 mm | 59.8 mph | calculate → |
| 145/70R18 | 25.99" | -0.39% | -20 mm | 59.8 mph | calculate → |
| 345/30R18 | 26.15" | +0.21% | +180 mm | 60.1 mph | calculate → |
| 26x11.50R16 | 26.00" | -0.36% | +127 mm | 59.8 mph | calculate → |
| 315/40R16 | 25.92" | -0.66% | +150 mm | 59.6 mph | calculate → |
Try another size against 165/70R17
Questions
What size is 165/70R17 in inches?
165/70R17 is about 26.1" tall and 6.5" wide on a 17-inch rim — roughly a 26x6.50R17 in inch sizing.
What does 165/70R17 mean?
165 mm section width, sidewall 70% of the width (4.55"), radial construction, 17-inch rim.
What tire sizes are equivalent to 165/70R17?
On the same 17" rim, within 3% of the diameter: 145/80R17 (+0.15%), 255/45R17 (-0.23%), 26x6.00R17 (-0.36%), 195/60R17 (+0.45%), 285/40R17 (-0.45%), 175/65R17 (-0.53%).
How many revolutions per mile does a 165/70R17 tire make?
About 773 revolutions per mile (circumference 82.0").
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.