Comparison of tire sizes 225/75 R15 and 225/75 R16
225/75R15
225
Tire width 
75
Profile height 
R15
Tire diameter 
443
RPM per km 225mm169mm719mm2257mm
225
75
15
225
75
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 719 | 744 | +25 (+3.5%) | ||
| Width, mm | 225 | 225 | 0 (0%) | ||
| Circumference, mm | 2257 | 2337 | +80 (+3.5%) | ||
| Profile height, mm | 169 | 169 | 0 (0%) | ||
| RPM per km | 443 | 428 | -15 (-3.4%) | ||
| Clearance change, mm | +13 | ||||
| Result: | The diameter differs by 3.5%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.5 |
| Difference (km/h) | 3.5 |
Sizes for comparison of tires 225/75 R15
R15
R16 +1
R17 +2
Sizes for comparison of tires 225/75 R16
R16
R15 -1
R17 +1
R18 +2