All TowAtlas Tools
Everything in one place.
Payload Calculator
Payload remaining after people, cargo, hitch and tongue weight.
Loaded Trailer Weight
Estimate loaded trailer weight from dry weight, water and cargo.
Fifth-Wheel Pin Weight
Estimate pin weight and truck payload remaining.
3-Weigh CAT Scale
Calculate actual tongue weight, trailer weight and WDH restoration.
Weight Distribution Hitch
Compare front axle loading before hitching, WDH off and WDH on.
Combined Weight / GCWR
Compare estimated combined loaded weight with an entered GCWR.
Water & Cargo Weight
Convert water to weight and total common trailer cargo.
Tire Size Comparison
Compare tire diameter and speedometer effect.
Trailer Tire Load
Estimate load per tire and compare with an entered tire rating.
RV Battery Runtime
Estimate usable watt-hours and runtime.
Generator Sizing
Estimate a practical wattage target from running and surge loads.
Towing Fuel Cost
Estimate gallons, cost and cost per mile.
Semi CAT Scale / Axle Checker
Compare steer, drives, trailer and gross weight to your entered targets.
Tandem Slide Estimator
Estimate tandem holes from axle targets and pounds-per-hole.
Diesel Fuel Weight
Estimate fuel weight from gallons and your chosen pounds-per-gallon.
Gross Weight Calculator
Add steer, drives and trailer axle groups and compare with a gross target.
Payload Remaining
Estimate remaining gross capacity after fuel and other added load.
Fifth-Wheel Slide Estimator
Estimate notches needed to change steer weight using your own transfer rate.
Federal Bridge Formula
Run the federal bridge-formula arithmetic from axle count and spacing.
Multi-Ticket Scale Compare
Compare axle changes between two scale tickets.