Free RV Tool
Fresh Water Tank Calculator
Calculate how long your RV fresh water tank will last based on people, daily use and trip days.
What is a Fresh Water Tank Calculator?
A Fresh Water Tank Calculator helps RV owners, campers and van life travelers estimate how many days their fresh water tank can last during a trip.
How Much Fresh Water Do You Need for RV Camping?
Most RV users need around 5 to 10 gallons of fresh water per person per day. This depends on drinking, cooking, washing dishes, toilet use and shower habits.
Fresh Water Saving Tips
- Use low-flow shower heads.
- Take short navy showers.
- Use paper plates to reduce dish washing.
- Carry extra drinking water separately.