Comparison of tire sizes 225/50 R16 and 205/70 R14
225/50R16
225
Tire width 
50
Profile height 
R16
Tire diameter 
504
RPM per km 225mm113mm631mm1984mm
225
50
16
205
70
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 631 | 643 | +12 (+1.9%) | ||
| Width, mm | 225 | 205 | -20 (-8.9%) | ||
| Circumference, mm | 1984 | 2019 | +35 (+1.8%) | ||
| Profile height, mm | 113 | 144 | +31 (+27.4%) | ||
| RPM per km | 504 | 495 | -9 (-1.8%) | ||
| Clearance change, mm | +6 | ||||
| Result: | The diameter differs by 1.9%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 101.8 |
| Difference (km/h) | 1.8 |
Sizes for comparison of tires 225/50 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2
Sizes for comparison of tires 205/70 R14
R14
R15 +1
R16 +2