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Water System Planner

Plan your fresh and grey water capacity.

Daily Usage
4.7 gal
per day
Recommended Fresh Tank
15 gal
for 3 days
Weight When Full
149 lbs
water + system
to sync across devices
Daily Usage
4.7 gal
Fresh Tank
15 gal
Grey Tank
10 gal
Days Off-Grid
3.2
Daily Water Usage Breakdown4.7 gal/day
🍳Kitchen
1.4 gal
🥤Drinking
2.0 gal
🧼Hand Washing
1.0 gal
🪥Teeth Brushing
0.3 gal

Quick Start Presets

1 day14 days

Tank Size Comparison

Tank SizeWeight (full)Days Off-GridFills/MonthBest For
7 gal76 lbs1.520.1Basic Sink
15 gal145 lbs3.29.4Weekend
40 gal364 lbs8.53.5Extended

Tips & Warnings

💡Carrying separate drinking water jugs adds flexibility for refills

Weight Impact

Water (full)
125 lbs
Tanks
9 lbs
System
15 lbs
Total (full)
149 lbs

Empty system weight: ~24 lbs

For comparison: The average American uses 80-100 gallons per day at home. Your estimated 4.7 gal/day shows how efficient van life water usage really is.

Water system guideCooking guide
These are estimates based on typical usage patterns. Actual consumption varies based on habits and conditions.