Comparison of tire sizes 175/60 R15 and 195/60 R14

175/60R15
175 Tire width
60 Profile height
R15 Tire diameter
539 RPM per km
175mm105mm591mm1857mm
175
60
15
195
60
14
Parameters Sizes Old New
Diameter, mm591590-1 (-0.2%)
Width, mm175195+20 (+11.4%)
Circumference, mm18571852-5 (-0.3%)
Profile height, mm105117+12 (+11.4%)
RPM per km539540+1 (+0.2%)
Clearance change, mm-1
Result:
The diameter differs by -0.2%.
Speedometer reading (km/h)
Real speed (km/h)99.7
Difference (km/h)-0.3

Sizes for comparison of tires 175/60 R15

R15
R14 -1
R16 +1
R13 -2
R17 +2

Sizes for comparison of tires 195/60 R14

R14
R13 -1
R15 +1
R16 +2