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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 guideKitchen planning guide
These are estimates based on typical usage patterns. Actual consumption varies based on habits and conditions.