195/65R15 tire size
195/65R15 is a metric size: 25.0" tall, 7.7" wide, on a 15" rim — about a 25x7.50R15. The sidewall is 5.0" and the tire turns 807 times per mile.
195/65R15 specs
| Overall diameter (height) | 24.98" · 635 mm |
|---|---|
| Section width | 7.68" · 195 mm |
| Sidewall height | 4.99" · 127 mm (65% of width) |
| Rim diameter | 15" |
| Circumference | 78.48" · 1.993 m |
| Revolutions per mile | 807 (502 per km) |
| Inch (flotation) equivalent | 25x7.50R15 |
Equivalent sizes on a 15" 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 | |
|---|---|---|---|---|---|
| 205/65R15 common | 25.49" | +2.05% | +10 mm | 61.2 mph | compare → |
| 185/65R15 common | 24.47" | -2.05% | -10 mm | 58.8 mph | compare → |
| 195/60R15 common | 24.21" | -3.07% | 0 mm | 58.2 mph | compare → |
| 185/60R15 common | 23.74" | -4.96% | -10 mm | 57.0 mph | compare → |
| 175/65R15 | 23.96" | -4.10% | -20 mm | 57.5 mph | compare → |
| 205/60R15 | 24.69" | -1.18% | +10 mm | 59.3 mph | compare → |
| 215/65R15 | 26.00" | +4.10% | +20 mm | 62.5 mph | compare → |
| 215/60R15 | 25.16" | +0.71% | +20 mm | 60.4 mph | compare → |
| 225/50R15 | 23.86" | -4.49% | +30 mm | 57.3 mph | compare → |
| 235/60R15 | 26.10" | +4.49% | +40 mm | 62.7 mph | calculate → |
| 195/70R15 | 25.75" | +3.07% | 0 mm | 61.8 mph | calculate → |
| 275/50R15 | 25.83" | +3.39% | +80 mm | 62.0 mph | calculate → |
| 225/60R15 | 25.63" | +2.60% | +30 mm | 61.6 mph | calculate → |
| 26x10.00R15 | 26.00" | +4.08% | +59 mm | 62.4 mph | calculate → |
| 245/50R15 | 24.65" | -1.34% | +50 mm | 59.2 mph | calculate → |
| 345/35R15 | 24.51" | -1.89% | +150 mm | 58.9 mph | calculate → |
| 26x8.50R15 | 26.00" | +4.08% | +21 mm | 62.4 mph | calculate → |
| 205/55R15 | 23.88" | -4.41% | +10 mm | 57.4 mph | calculate → |
| 155/80R15 | 24.76" | -0.87% | -40 mm | 59.5 mph | calculate → |
| 185/70R15 | 25.20" | +0.87% | -10 mm | 60.5 mph | calculate → |
| 265/50R15 | 25.43" | +1.81% | +70 mm | 61.1 mph | calculate → |
| 24.5x8.00R15 | 24.50" | -1.92% | +8 mm | 58.8 mph | calculate → |
| 235/50R15 | 24.25" | -2.92% | +40 mm | 58.3 mph | calculate → |
| 26x10.50R15 | 26.00" | +4.08% | +72 mm | 62.4 mph | calculate → |
| 26x12.00R15 | 26.00" | +4.08% | +110 mm | 62.4 mph | calculate → |
| 26x6.00R15 | 26.00" | +4.08% | -43 mm | 62.4 mph | calculate → |
| 26x7.50R15 | 26.00" | +4.08% | -4 mm | 62.4 mph | calculate → |
| 26x8.00R15 | 26.00" | +4.08% | +8 mm | 62.4 mph | calculate → |
| 225/55R15 | 24.74" | -0.95% | +30 mm | 59.4 mph | calculate → |
| 175/70R15 | 24.65" | -1.34% | -20 mm | 59.2 mph | calculate → |
| 165/80R15 | 25.39" | +1.65% | -30 mm | 61.0 mph | calculate → |
| 165R15 | 25.65" | +2.70% | -30 mm | 61.6 mph | calculate → |
| 26x11.50R15 | 26.00" | +4.08% | +97 mm | 62.4 mph | calculate → |
Plus / minus sizing: 14" and 16" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 205/55R16 common | 24.88" | -0.41% | +10 mm | 59.8 mph | compare → |
| 225/50R16 common | 24.86" | -0.49% | +30 mm | 59.7 mph | compare → |
| 195/70R14 | 24.75" | -0.93% | 0 mm | 59.4 mph | compare → |
| 195/60R16 | 25.21" | +0.93% | 0 mm | 60.6 mph | calculate → |
| 185/60R16 | 24.74" | -0.96% | -10 mm | 59.4 mph | calculate → |
| 235/60R14 | 25.10" | +0.49% | +40 mm | 60.3 mph | calculate → |
| 185/75R14 | 24.93" | -0.22% | -10 mm | 59.9 mph | calculate → |
| 145/80R16 | 25.13" | +0.61% | -50 mm | 60.4 mph | calculate → |
Try another size against 195/65R15
Questions
What size is 195/65R15 in inches?
195/65R15 is about 25.0" tall and 7.7" wide on a 15-inch rim — roughly a 25x7.50R15 in inch sizing.
What does 195/65R15 mean?
195 mm section width, sidewall 65% of the width (4.99"), radial construction, 15-inch rim.
What tire sizes are equivalent to 195/65R15?
On the same 15" rim, within 3% of the diameter: 215/60R15 (+0.71%), 155/80R15 (-0.87%), 185/70R15 (+0.87%), 225/55R15 (-0.95%), 205/60R15 (-1.18%), 175/70R15 (-1.34%).
How many revolutions per mile does a 195/65R15 tire make?
About 807 revolutions per mile (circumference 78.5").
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.