๐ Automotive
Wheel Offset Calculator
Offset is the distance from the mounting face to the wheel centreline, while backspacing is the distance from the mounting face to the inner lip. Positive offset tucks the wheel inwards; negative offset pushes it out towards the fender.
How it works
Wheel width
Offset
New wheel width
New wheel offset
Current backspacing
New backspacing
Inner clearance change
Outer position change
Fitment note
Frequently asked questions
How do I use the Wheel Offset Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.