Comparison of tire sizes 275/50 R22 and 285/45 R22
275/50R22
275
Tire width 
50
Profile height 
R22
Tire diameter 
382
RPM per km 275mm138mm834mm2619mm
275
50
22
285
45
22
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 834 | 815 | -19 (-2.3%) | ||
| Width, mm | 275 | 285 | +10 (+3.6%) | ||
| Circumference, mm | 2619 | 2561 | -58 (-2.2%) | ||
| Profile height, mm | 138 | 128 | -10 (-7.2%) | ||
| RPM per km | 382 | 390 | +8 (+2.1%) | ||
| Clearance change, mm | -10 | ||||
| Result: | The diameter differs by -2.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 97.8 |
| Difference (km/h) | -2.2 |
Sizes for comparison of tires 275/50 R22
R22
R20 -2
Sizes for comparison of tires 285/45 R22
R22
R20 -2