Comparison of tire sizes 225/55 R19 and 245/50 R19

225/55R19
225 Tire width
55 Profile height
R19 Tire diameter
436 RPM per km
225mm124mm730mm2294mm
225
55
19
245
50
19
Parameters Sizes Old New
Diameter, mm730728-2 (-0.3%)
Width, mm225245+20 (+8.9%)
Circumference, mm22942286-8 (-0.3%)
Profile height, mm124123-1 (-0.8%)
RPM per km436437+1 (+0.2%)
Clearance change, mm-1
Result:
The diameter differs by -0.3%.
Speedometer reading (km/h)
Real speed (km/h)99.7
Difference (km/h)-0.3

Sizes for comparison of tires 225/55 R19

R19
R18 -1
R20 +1
R17 -2
R21 +2

Sizes for comparison of tires 245/50 R19

R19
R18 -1
R20 +1
R17 -2
R21 +2