Everything on HitchMargin in one place: 3 pages, grouped by what they help you do, newest first.
A couple gets about 4 days from a 40-gallon fresh tank, but the gray tank often fills first. Work out your own limit with tank sizes, habits and a day-by-day estimator.
10 inputs, instant result
Estimate tongue weight at 13% of trailer GVWR, add your hitch and everyone in the cab, and see if your truck's door-jamb payload passes. Includes hitch rating check.
6 inputs, instant result
The three-pass CAT Scale weigh, step by step: what each pass measures, how to read the ticket, and how to get tongue weight and pass or fail against your ratings.
8-row table