Comparison of tire sizes 165/65 R13 and 185/60 R13

165
65
13
185
60
13
165/65R13
tire
165 Tire width
65 Profile height
R13 Tire diameter
RPM per km
tire
165mm107mm545mm1711mm584
Parameters Sizes Old New
Diameter, mm545552+7 (+1.3%)
Width, mm165185+20 (+12.1%)
Circumference, mm17111735+24 (+1.4%)
Profile height, mm107111+4 (+3.7%)
RPM per km584576-8 (-1.4%)
Clearance change, mm+4
Speedometer reading (km/h)101.41.4
Result:
The diameter differs by 1.3%.

Sizes for comparison of tires 165/65 R13

R13
R14 +1
R15 +2