Comparison of tire sizes 165/80 R13 and 195/70 R13

165/80R13
165 Tire width
80 Profile height
R13 Tire diameter
536 RPM per km
165mm132mm594mm1867mm
165
80
13
195
70
13
Parameters Sizes Old New
Diameter, mm594603+9 (+1.5%)
Width, mm165195+30 (+18.2%)
Circumference, mm18671895+28 (+1.5%)
Profile height, mm132137+5 (+3.8%)
RPM per km536528-8 (-1.5%)
Clearance change, mm+5
Result:
The diameter differs by 1.5%.
Speedometer reading (km/h)
Real speed (km/h)101.5
Difference (km/h)1.5

Sizes for comparison of tires 165/80 R13

R13
R14 +1
R15 +2

Sizes for comparison of tires 195/70 R13

R13
R14 +1
R15 +2