There are many different important parameters when it comes to car wheels, one of those being the bolt pattern. It's actually pretty straightforward to measure.

However, the old-body-style Ram 1500 Classic has wheels with five holes, on a 5.5-inch diameter bolt pattern, that look similar to those on the Jeep Wrangler.

There are many different important parameters when it comes to car wheels, one of those being the bolt pattern. How do you actually measure it?