Comparison of tire sizes 245/70 R16 and 225/75 R16
245/70R16
245
Tire width 
70
Profile height 
R16
Tire diameter 
425
RPM per km 245mm172mm749mm2354mm
245
70
16
225
75
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 749 | 744 | -5 (-0.7%) | ||
| Width, mm | 245 | 225 | -20 (-8.2%) | ||
| Circumference, mm | 2354 | 2337 | -17 (-0.7%) | ||
| Profile height, mm | 172 | 169 | -3 (-1.7%) | ||
| RPM per km | 425 | 428 | +3 (+0.7%) | ||
| Clearance change, mm | -3 | ||||
| Result: | The diameter differs by -0.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 99.3 |
| Difference (km/h) | -0.7 |
Sizes for comparison of tires 245/70 R16
R16
R15 -1
R17 +1
R18 +2
Sizes for comparison of tires 225/75 R16
R16
R15 -1
R17 +1
R18 +2