A 195/65R15 tire is 25.0″ tall and 7.7″ wide, and fits a 15″ wheel. In inches it is written 25.0×7.7R15.
Heights published by BFGoodrich, General, Michelin and Toyo for all 11 tires in this size. Their published revolutions per mile work out to 24.2–24.3″ under load (below).
Real 195/65R15 tires measure 25.00″, against 24.98″ from the size code. They run both taller and shorter than the size code.
Published revs per mile (831–832) mean the tire rolls like a 24.2–24.3″ tire on the vehicle. Use this for speedometer calibration.
The lightest (General AltiMAX RT45, SL) is 4.3 lb lighter per corner than the heaviest (BFGoodrich Advantage Control, SL).
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| General AltiMAX RT45Touring | SL · 91T | 25.00 | 17.1 | 11.0 | 1,356 | 832 | Spec page |
| General AltiMAX RT45Touring | SL · 91H | 25.00 | 17.1 | 11.0 | 1,356 | 832 | Spec page |
| General AltiMAX365 AWTouring | SL · 91H | 25.00 | 17.1 | 11.0 | 1,356 | 832 | Spec page |
| General ReliaTrekTouring | SL · 91H | 25.00 | 18.1 | 11.0 | 1,356 | 832 | Spec page |
| Toyo Extensa A/S IIAll-season | SL · 91H | 25.00 | 18.7 | 11.1 | 1,356 | 831 | Spec page |
| Michelin Defender T + HAll-season | SL · 91H | 25.00 | 19.8 | 10.0 | 1,356 | 832 | Spec page |
| Toyo Celsius IITouring | SL · 91H | 25.00 | 20.7 | 11.1 | 1,356 | 831 | Spec page |
| Michelin X-Ice SnowWinter | XL · 95T | 25.00 | 20.8 | 10.5 | 1,521 | 832 | Spec page |
| Toyo Observe G3-IceWinter | SL · 91T | 25.00 | 20.9 | 11.3 | 1,356 | 831 | Spec page |
| General AltiMAX Arctic XWinter | XL · 95T | 25.00 | 21.1 | 12.0 | 1,521 | 832 | Spec page |
| BFGoodrich Advantage ControlAll-season | SL · 91H | 25.00 | 21.4 | 11.5 | 1,356 | 832 | Spec page |
Yes. The size code works out to 24.98″, and the 11 tires here publish 25.00″, so people call it a 25.
Differences in overall diameter, calculated from each size code.
A percentage, not a measurement: the sidewall is 65% as tall as the tire is wide, which is 126.8 mm or 4.99 inches.
Radial construction.
Mounts on a 15-inch wheel. Approved wheel widths run 5.5″ to 7.0″.
Each tire carries up to 1,356 lb (615 kg) at its maximum pressure.
Rated for up to 130 mph sustained.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 24.98 | 635 mm |
| Section width | 7.68 | 195 mm |
| Sidewall height | 4.99 | 126.8 mm |
| Circumference | 78.5 | 1,993 mm |
| Revolutions per mile (calculated, unloaded) | 807.4 | 502 per km |
| Revolutions per mile (published by manufacturers) | 831–832 | 516–517 per km |
| Approved wheel width | 5.5–7.0 | 140–178 mm |
24.98 inches tall, 7.68 inches wide, on a 15-inch wheel. Written in inches, that is roughly 25.0×7.7R15.
Between 17.1 lb and 21.4 lb for the 11 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the BFGoodrich Advantage Control (SL).
Manufacturers approve 5.5–7.0″ wide wheels for this size.
Published figures run 831–832 revolutions per mile. The calculated figure is 807.4, but manufacturers measure the tire under load, where it rolls on a smaller radius.
0.30 inches taller on paper (24.98″ vs 24.69″), which raises the axle about 0.15″. Your speedometer will read about 1.2% slow.