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

175/60R14
175 Tire width
60 Profile height
R14 Tire diameter
563 RPM per km
175mm105mm566mm1777mm
175
60
14
175
60
15
Parameters Sizes Old New
Diameter, mm566591+25 (+4.4%)
Width, mm1751750 (0%)
Circumference, mm17771857+80 (+4.5%)
Profile height, mm1051050 (0%)
RPM per km563539-24 (-4.3%)
Clearance change, mm+13
Result:
The diameter differs by 4.4%.
Speedometer reading (km/h)
Real speed (km/h)104.5
Difference (km/h)4.5

Sizes for comparison of tires 175/60 R14

R14
R13 -1
R15 +1
R16 +2

Sizes for comparison of tires 175/60 R15

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