What Size Receiver Hitch Do I Have?

How to measure your receiver hitch tube size

Measuring your receiver hitch tube size

The best way to measure your receiver hitch tube is to measure inside of the tube to inside of the tube. This will help you know what size ball mount you need to get for your hitch. It may be 1-1/4″ common on cars and cuvs. Most likely it is either a 2″ or 2-1/2″, which is often found on most SUV and pickup trucks. Select newer pickups even have a 3″ receiver.