Comparison of tire sizes 195/50 R15 and 205/45 R16
195/50R15
195
Tire width 
50
Profile height 
R15
Tire diameter 
553
RPM per km 195mm98mm576mm1810mm
195
50
15
205
45
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 576 | 591 | +15 (+2.6%) | ||
| Width, mm | 195 | 205 | +10 (+5.1%) | ||
| Circumference, mm | 1810 | 1856 | +46 (+2.5%) | ||
| Profile height, mm | 98 | 92 | -6 (-6.1%) | ||
| RPM per km | 553 | 539 | -14 (-2.5%) | ||
| Clearance change, mm | +8 | ||||
| Result: | The diameter differs by 2.6%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 102.5 |
| Difference (km/h) | 2.5 |
Sizes for comparison of tires 195/50 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 205/45 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2