Calculation of tire size 155/70 R12

155/70R12
155 Tire width
70 Profile height
R12 Tire diameter
610 RPM per km
155mm109mm522mm1639mm
155
70
12
195
65
15
Parameters Sizes
Diameter522mm
Width155mm
Circumference1639mm
Profile height109mm
RPM per km610

Sizes for comparison of tires 155/70 R12

R12
R13 +1
R14 +2