FIELD GUIDE / Freshwater & water budgetingFreshwater & water budgeting
Turn tank sizes and daily habits into a realistic plan. Drinking water, grey capacity and black capacity each impose a different limit.

Freshwater & water budgetingEstimate fresh water and waste-tank space separately, see which runs out first, and leave room for the uncertainty of a real trip.
Read the guide → Where should I start?
Use your own tank sizes in the water planner, or check source-linked Washington stations. Always follow operator restrictions and your RV manual.