Comparison of tire sizes 175/70 R14 and 195/45 R16

175
70
14
195
45
16
175/70R14
tire
175 Tire width
70 Profile height
R14 Tire diameter
RPM per km
tire
175mm123mm601mm1887mm530
Parameters Sizes Old New
Diameter, mm601582-19 (-3.2%)
Width, mm175195+20 (+11.4%)
Circumference, mm18871828-59 (-3.1%)
Profile height, mm12388-35 (-28.5%)
RPM per km530547+17 (+3.2%)
Clearance change, mm-10
Speedometer reading (km/h)96.9-3.1
Result:
The diameter differs by -3.2%.

Sizes for comparison of tires 175/70 R14

R14
R13 -1
R15 +1
R16 +2