Comparison of tire sizes 165/65 R15 and 205/45 R16

165/65R15
165 Tire width
65 Profile height
R15 Tire diameter
535 RPM per km
165mm107mm596mm1871mm
165
65
15
205
45
16
Parameters Sizes Old New
Diameter, mm596591-5 (-0.8%)
Width, mm165205+40 (+24.2%)
Circumference, mm18711856-15 (-0.8%)
Profile height, mm10792-15 (-14%)
RPM per km535539+4 (+0.7%)
Clearance change, mm-3
Result:
The diameter differs by -0.8%.
Speedometer reading (km/h)
Real speed (km/h)99.2
Difference (km/h)-0.8

Sizes for comparison of tires 165/65 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