Comparison of tire sizes 165/80 R13 and 205/60 R13

165/80R13
165 Tire width
80 Profile height
R13 Tire diameter
536 RPM per km
165mm132mm594mm1867mm
165
80
13
205
60
13
Parameters Sizes Old New
Diameter, mm594576-18 (-3%)
Width, mm165205+40 (+24.2%)
Circumference, mm18671810-57 (-3.1%)
Profile height, mm132123-9 (-6.8%)
RPM per km536552+16 (+3%)
Clearance change, mm-9
Result:
The diameter differs by -3%.
Speedometer reading (km/h)
Real speed (km/h)96.9
Difference (km/h)-3.1

Sizes for comparison of tires 165/80 R13

R13
R14 +1
R15 +2

Sizes for comparison of tires 205/60 R13

R13
R14 +1
R15 +2