Comparison of tire sizes 225/60 R18 and 215/70 R16

225/60R18
225 Tire width
60 Profile height
R18 Tire diameter
438 RPM per km
225mm135mm727mm2285mm
225
60
18
215
70
16
Parameters Sizes Old New
Diameter, mm727707-20 (-2.8%)
Width, mm225215-10 (-4.4%)
Circumference, mm22852222-63 (-2.8%)
Profile height, mm135151+16 (+11.9%)
RPM per km438450+12 (+2.7%)
Clearance change, mm-10
Result:
The diameter differs by -2.8%.
Speedometer reading (km/h)
Real speed (km/h)97.2
Difference (km/h)-2.8

Sizes for comparison of tires 225/60 R18

R18
R17 -1
R19 +1
R16 -2
R20 +2

Sizes for comparison of tires 215/70 R16

R16
R15 -1
R17 +1
R14 -2
R18 +2

Ads by size 215/70 R16