Free Tools for the Haul
Trailer Tools & Calculators
Straight answers and free calculators. Run the numbers before you haul, or find out what your trailer could earn.
Calculator
Towing Capacity Calculator
Know what your truck can safely pull before you book a trailer, with a built-in safety margin.
Calculator
Trailer Payload Calculator
Find your trailer’s maximum safe cargo weight and the right tongue weight for a stable tow.
Calculator
Rental Income Calculator
See what your trailer could earn, and how much more you keep on BigLoads with zero commission.
Guides for Renters and Owners
Beyond the calculators, our guides cover the practical stuff: what trailers cost to rent, how owners should price them, and how to load a trailer so it tows straight and safe.