Wheel Offset Calculator

Enter current and new wheel width and offset to compare static geometric wheel position.

Current width (in)

Current offset (mm)

New width (in)

New offset (mm)

—Inner edge change

—Outer poke change

—New backspacing

—Approx. track change

—Static wheel geometry only. It does not verify suspension, brake, fender, tire, or load clearance. Published wheel width is measured between bead seats; backspacing estimate adds ~1 inch for rim flanges.

How to use this Wheel Offset Calculator

Compare wheel width and offset to estimate inner clearance and outer poke changes. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.