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Liquid Weight Calculator

Use this calculator to determine the weight of common liquids in your RV and tow vehicle.

When starting with the vehicle's Dry Weight, it is necessary to know the weight of liquids to estimate Curb Weight, GVW, or GTW.

For a quick list of what each liquid weighs, enter 1 in all quantity fields and click Calculate.


Item Qty Units Weight (lb)* Weight (kg)*

Diesel fuel

gallons

liters

Gasoline

gallons

liters

Propane

gallons

liters

Water

gallons

liters

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* The results of this calculator are approximate. Results may be slightly inaccurate due to conversion and rounding. Weight of liquids vary slightly with temperature, altitude, chemical composition, etc.