Daily Energy Consumption Planner
Plan your daily Wh budget across all appliances.
About the Daily energy calculator
Use this daily energy consumption planner for van leisure battery & solar setup. Plan your daily Wh budget across all appliances.
Enter your daily energy details
Loads
Match this to your battery's usable capacity.
Your daily energy results
Total / day
901 Wh
75.1 Ah @ 12 V
Budget used
45%
of 2,000 Wh
Headroom
1,099 Wh
Within budget
Top energy hogs
- Fridge450 Wh · 50%
- Laptop180 Wh · 20%
- Diesel heater150 Wh · 17%
Why daily energy matters for van leisure battery & solar setup
Plan with confidence
Getting your daily energy numbers right early avoids costly rework, undersized components and surprises on the road.
Related battery & solar tools
Pair this with the rest of our battery & solar calculators to plan your full van conversion.
Daily energy calculator FAQ
- What does the Daily Energy Consumption Planner do?
- Plan your daily Wh budget across all appliances. It is designed for van leisure battery and solar so you can plan with confidence.
- Is the daily energy calculator free to use?
- Yes. All VanTools calculators, including the Daily Energy Consumption Planner, are free to use with no sign-up required.
- How accurate are the daily energy results?
- Results are estimates based on the values you enter and standard van leisure battery and solar assumptions. Always sanity-check against manufacturer data and your real-world conditions.
- Can I share or save my daily energy 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.