Guides

Measure the usable interior, not the outside footprint

Walls, columns and equipment can reduce the parking envelope.

Know what your vehicle-width number includes

Body width and mirror-to-mirror width can be different.

Check garage-door margin separately

The door opening is often the tightest part of the route.

Protect a storage zone from parking space

Remaining depth can be reserved for shelves or work space.

A geometric fit is not the same as comfortable use

The calculations answer whether dimensions fit, not whether the setup is convenient.