Comparison of tire sizes 195/70 R14 and 215/50 R16

195
70
14
215
50
16
195/70R14
tire
195 Tire width
70 Profile height
R14 Tire diameter
RPM per km
tire
195mm137mm629mm1975mm506
Parameters Sizes Old New
Diameter, mm629621-8 (-1.3%)
Width, mm195215+20 (+10.3%)
Circumference, mm19751952-23 (-1.2%)
Profile height, mm137108-29 (-21.2%)
RPM per km506512+6 (+1.2%)
Clearance change, mm-4
Speedometer reading (km/h)98.8-1.2
Result:
The diameter differs by -1.3%.

Sizes for comparison of tires 195/70 R14

R14
R15 +1
R16 +2