#TechTip: Can You Calculate Offset?

Offset can be a bit of a confusing number, especially if you’re new to the world of wheels, so here’s a breakdown:

Offset is simply the distance from the center of a wheel to the mounting surface of that wheel.

Below, you’ll see a zero offset wheel, meaning that the mounting surface is exactly at the centerline of that wheel.

Offsets can be positive or negative.
Generally speaking, the lower the offset is, the further out it will sit.

Negative Offset

The higher the offset, the further in the wheel will sit.

Understanding the wheel width along with the offset will allow you to measure how far the lips of the wheel will sit in or out in the wheel well, giving you a better idea of the clearance you have to work with.

How To Calculate Your Offset

In order to calculate your offset, you also need to know what backspacing is. Backspacing is simply the distance from the mounting surface of the wheel to the back of the wheel.

To calculate the value of your offset:
1. Measure the width of the wheel (in mm)
2. Divide the width by 2
3. Subtract the back spacing (in mm)

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