Comparison of tire sizes 225/50 R16 and 255/50 R16
225/50R16
225
Tire width 
50
Profile height 
R16
Tire diameter 
504
RPM per km 225mm113mm631mm1984mm
225
50
16
255
50
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 631 | 661 | +30 (+4.8%) | ||
| Width, mm | 225 | 255 | +30 (+13.3%) | ||
| Circumference, mm | 1984 | 2078 | +94 (+4.7%) | ||
| Profile height, mm | 113 | 128 | +15 (+13.3%) | ||
| RPM per km | 504 | 481 | -23 (-4.6%) | ||
| Clearance change, mm | +15 | ||||
| Result: | The diameter differs by 4.8%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 104.7 |
| Difference (km/h) | 4.7 |
Sizes for comparison of tires 225/50 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2
Sizes for comparison of tires 255/50 R16
R16
R15 -1
R17 +1
R18 +2
