Off-Grid Duration Calculator
Combine battery, water and waste limits to find max days.
About the Off-grid duration calculator
Use this off-grid duration calculator for off-grid van life resource planning. Combine battery, water and waste limits to find max days.
Enter your off-grid duration details
Your off-grid duration results
Off-grid limit
5.1 days
Limited by Battery
Battery
5.1 days
Fresh water
6.7 days
Grey tank fills
6.7 days
Gas
54 days
Why off-grid duration matters for off-grid van life resource planning
Plan with confidence
Getting your off-grid duration numbers right early avoids costly rework, undersized components and surprises on the road.
Related off-grid living tools
Pair this with the rest of our off-grid living calculators to plan your full van conversion.
Off-grid duration calculator FAQ
- What does the Off-Grid Duration Calculator do?
- Combine battery, water and waste limits to find max days. It is designed for off-grid van life so you can plan with confidence.
- Is the off-grid duration calculator free to use?
- Yes. All VanTools calculators, including the Off-Grid Duration Calculator, are free to use with no sign-up required.
- How accurate are the off-grid duration results?
- Results are estimates based on the values you enter and standard off-grid van life assumptions. Always sanity-check against manufacturer data and your real-world conditions.
- Can I share or save my off-grid duration calculation?
- Yes. Use the Share button to copy a link that includes your inputs, or use Export to download a PDF or image of your results.