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Wheel & Tire Fitment Calculator

Wheel & Tire Fitment Calculator | DragRacingWheels.com
Wheel & Tire Fitment Calculator
Compare your existing setup to a new wheel & tire combination β€” see poke, inset, diameter & height differences
Existing Current setup
Tire
Wheel
New New setup
Tire
Wheel
Overall Diameter
β€” β†’ β€”
Circumference
β€” β†’ β€”
Sidewall Height
β€” β†’ β€”
Top-down suspension view β€” poke & inset profile
Existing
New
β¬… Inboard (vehicle body)  Β·  Hub face = zero reference  Β·  Lower ET = more poke outboard  Β·  Higher ET = more inset  Β·  ➑ Outboard
Formulas: Sidewall = width(mm) Γ— (aspect Γ· 100) Γ· 25.4  Β·  Diameter = rim(in) + 2 Γ— sidewall(in)  Β·  Poke = wheelWidth(in) Γ· 2 βˆ’ ET(mm) Γ· 25.4  Β·  Inset = wheelWidth(in) Γ· 2 + ET(mm) Γ· 25.4  Β·  Rev/mile = 63,360 Γ· circ(in)  Β·  Speedo error = (newCirc βˆ’ oldCirc) Γ· oldCirc Γ— 100
Measurement Existing New Difference
DragRacingWheels.com  Β·  Need help? Call 1-(833)-287-6088  Β·  Results are estimates. Always verify fitment before purchase.
The Wheel & Tire Fitment Calculator is provided for informational purposes only. The calculations and results generated by this tool are based on the input parameters provided by the user and are not guaranteed to be accurate or suitable for every application. By using this calculator, users acknowledge and agree to the terms of this disclaimer and understand that it is their responsibility to independently verify and validate the results obtained from the tool. Users are solely responsible for their decisions and actions based on the calculated results, and they should consider seeking professional advice when in doubt.

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