205/55R15 vs 195/50R16
195/50R16 is 0.20 in (5.1 mm) shorter than 205/55R15, a −0.84% diameter difference. With the speedometer set for 205/55R15, an indicated 60 mph is 59.5 mph on 195/50R16.
Is this a safe swap?
Diameter difference −0.84%: under 1%
By overall diameter alone, 195/50R16 is a near match for 205/55R15; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.
| Measurement | 205/55R15 | 195/50R16 | Difference | % diff |
|---|---|---|---|---|
| Overall diameter | 23.88 in (606.5 mm) | 23.68 in (601.4 mm) | −0.20 in (−5.1 mm) | −0.84% |
| Sidewall height | 4.44 in (112.8 mm) | 3.84 in (97.5 mm) | −0.60 in (−15.2 mm) | −13.53% |
| Section width | 8.07 in (205.0 mm) | 7.68 in (195.0 mm) | −0.39 in (−10.0 mm) | −4.88% |
| Circumference | 75.01 in (1,905.4 mm) | 74.38 in (1,889.4 mm) | −0.63 in (−16.0 mm) | −0.84% |
| Revolutions per mile | 845 | 852 | +7 | +0.85% |
| Indicated | Actual on 205/55R15 | Actual on 195/50R16 | Difference |
|---|---|---|---|
| 30 mph | 30.0 mph | 29.7 mph | −0.3 mph |
| 60 mph | 60.0 mph | 59.5 mph | −0.5 mph |
| 75 mph | 75.0 mph | 74.4 mph | −0.6 mph |
Ride-height change: 195/50R16 lowers the vehicle by 0.10 in (2.6 mm) at the axle (half the −5.1 mm diameter difference).
195/50R16 is 0.20 in shorter than 205/55R15 and 10 mm narrower, a 0.84% difference in overall diameter.
With the speedometer calibrated for 205/55R15, an indicated 60 mph is actually 59.5 mph on 195/50R16, and revolutions per mile change from 845 to 852.
195/50R16 mounts on a 16-inch wheel, a plus-1 fitment from the 15-inch wheel of 205/55R15.
Size pages
Other comparisons with 205/55R15
- 175/80R13 vs 205/55R15
- 175/70R14 vs 205/55R15
- 205/60R14 vs 205/55R15
- 155/80R14 vs 205/55R15
- 195/65R14 vs 205/55R15
- 185/70R14 vs 205/55R15
- 185/55R15 vs 205/55R15
- 205/50R15 vs 205/55R15
Other comparisons with 195/50R16
- 185/65R14 vs 195/50R16
- 175/70R14 vs 195/50R16
- 205/60R14 vs 195/50R16
- 155/80R14 vs 195/50R16
- 195/65R14 vs 195/50R16
- 165/65R15 vs 195/50R16
- 195/55R15 vs 195/50R16
- 215/50R15 vs 195/50R16
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.