Gas Bottle Usage Calculator
Days a propane/butane bottle lasts from your usage.
About the Gas bottle calculator
Use this gas bottle usage calculator for van heating, gas & ventilation. Days a propane/butane bottle lasts from your usage.
Enter your gas bottle details
6 kg, 11 kg, 13 kg etc — gas weight, not full weight.
0 if electric.
Your gas bottle results
Bottle energy
81.6 kWh
6 kg propane
Daily use
7.1 kWh
522 g / day
Bottle lasts
11.5 days
Why gas bottle matters for van heating, gas & ventilation
Plan with confidence
Getting your gas bottle numbers right early avoids costly rework, undersized components and surprises on the road.
Related heating, gas & air tools
Pair this with the rest of our heating, gas & air calculators to plan your full van conversion.
Gas bottle calculator FAQ
- What does the Gas Bottle Usage Calculator do?
- Days a propane/butane bottle lasts from your usage. It is designed for van heating, gas and ventilation so you can plan with confidence.
- Is the gas bottle calculator free to use?
- Yes. All VanTools calculators, including the Gas Bottle Usage Calculator, are free to use with no sign-up required.
- How accurate are the gas bottle results?
- Results are estimates based on the values you enter and standard van heating, gas and ventilation assumptions. Always sanity-check against manufacturer data and your real-world conditions.
- Can I share or save my gas bottle 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.