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Tire calculation

and/or

Wheel calculation

Tire width ?
Aspect ratio ?
Diameter ?
Wheel width ?
Offset (ET) ?
Wheel spacer

Current tire

New tire

- mm
- inch
- %
- inch
- inch
- mm
- inch
- mm
- inch
Clear valuesInsert sample values
Werte eingeben

Results of the tire calculation

Tire diameter
?
Sidewall height
?
Rolling circum.
?
Revs/Mile
?
Outset | Frontspace
?
Inset | Backspace
?
Ride height difference
?
Rolling circumference difference
?
Speedometer difference
?
Speedometer reading at 60 mp/h
?
Outset difference per side
?
Inset difference per side
?
Ergebnis ablesen
Reifendurchmesser
Diameter of the whole tire.
Abrollumfang
Circumference of the whole tire.
This is calculated inclusive the vehicle load from above.
Felgendurchmesser
The height of the tires side without the wheel.
Felgenbreite
The amount of revolutions per mile.
Außenkante
Distance between the OUTER surfaces of the rim and the contact surface of the brake disc or brake drum.
Innenkante
Distance between the INNER surfaces of the rim and the contact surface of the brake disc or brake drum.
Änderung Bodenfreiheit
Amount which the vehicle is higher or lower with the new tires.
Umfangsdifferenz
If there is a too high difference you will get false readings on your speedometer.
Geschwindigkeitsabweichung
Speedometer error in percent.
Tachoanzeige bei realen 100 km/h
Shown speedometer reading with the new tires, which is equal to 60 mp/h with current tires.
Änderung Außenkante pro Seite
Distance between the outer surfaces of the current and new tires. The tires are moving inwards or outwards in the wheel case by this value.
Änderung Innenkante pro Seite
Distance between the inner surfaces of the current and new tires.
Tire info
Tire info
Tire info
Wheel info
Wheel info
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