FREE TOWCHECK WORKSHEET

Boat and Trailer Weight Calculator

Add commonly omitted equipment, fuel and gear to the advertised boat and trailer weights.

Estimated fuel weight0 lb
Estimated loaded towing weight0 lb
Boat secured to a tandem-axle trailer behind a pickup
FIELD NOTEBuild the full launch-day load

Hull, motor, trailer, fuel, batteries and gear all belong in the estimate before the ramp.

LAST UPDATEDJuly 20, 2026
REVIEW STATUSSource-reviewed by TowCheck
SOURCES CHECKEDJuly 20, 2026

Methodology: Calculations are derived from official manufacturer towing guides, NHTSA regulations, and tire load specifications. Read calculation methodology or report a correction.

HOW TO USE THIS TOOL

Boat + Trailer: what the result means

Use when advertised boat weight excludes common equipment and fluids.

Steps

  1. Enter documented hull, motor and trailer weights.
  2. Add fuel using an adjustable weight per gallon.
  3. Add batteries, gear and supplies.
  4. Compare the total with trailer and tow-vehicle ratings elsewhere in TowCheck.

Formula

Loaded total = hull + motor + trailer + fuel + batteries + gear + supplies.

Important limits

  • Fuel density and manufacturer weight conventions vary.
  • Measure the loaded combination when possible.

Primary references

TowCheck uses these references for terminology and planning context. Your exact vehicle, trailer, tire and equipment documentation always controls.