Water

Water Calculator

Plan drinking and utility water needs for camp or road travel.

Number of peopleNumber of daysDrinking water per person/dayCooking/washing water per person/day

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Guides and explainers that help the calculator output make more sense.

Plan drinking and utility water with a more realistic reserve for camp life.

A practical framework for planning fuel, water, power, food and route margins.

How to think about tank size, refill rhythm and daily habits in a van setup.

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FAQ

Quick answers that help set expectations before you use or save this tool.

Why include a 20 percent reserve?

A reserve helps cover hot weather, delays, spills and harder-than-expected conditions.

Should drinking and washing water be separated?

Yes. Separating them gives a more realistic estimate than one combined number.

Is this useful for car camping and van life?

Yes. It helps plan water storage for tents, cars, vans and weekend trips.