RV Propane Usage Calculator
Estimate RV propane tank runtime, daily fuel use, and trip cost.
1. Propane Tank Details
2. Appliance Usage
Enter each appliance's BTU/hr rating and actual burner-on hours per day. Values below are examples; use your appliance's specifications.
3. Your Propane Usage Results
Appliance Breakdown
| Appliance | Gallons/day |
|---|
How to Calculate RV Propane Usage
Knowing how much propane your RV uses can help you plan camping trips, estimate fuel costs, and avoid running out of propane unexpectedly. Our free RV propane usage calculator estimates daily consumption and how long your propane tanks may last based on your appliances.
Whether you own a motorhome, travel trailer, fifth wheel, or camper van, you can use this calculator to estimate propane consumption for heating, cooking, refrigeration, and hot water.
How Long Does an RV Propane Tank Last?
The runtime of an RV propane tank depends on its size, how much propane is available, and the appliances you use. A furnace running frequently during winter can consume significantly more propane than a refrigerator or stove.
| Propane tank size | Approximate propane | Runtime at 0.5 gal/day |
|---|---|---|
| 20 lb | 4.72 gallons | 9.4 days |
| 30 lb | 7.08 gallons | 14.2 days |
| 40 lb | 9.43 gallons | 18.9 days |
| 100 lb | 23.58 gallons | 47.2 days |
These examples assume a normally filled cylinder, no additional reserve, and constant consumption of 0.5 gallons per day. Actual runtime may be shorter or longer depending on your RV's usage.
RV Propane Consumption Formula
Propane contains approximately 91,500 BTU of energy per US gallon. Multiply each appliance's BTU per hour rating by its actual operating hours, then add the results to calculate total daily energy consumption.
For example, a 30,000 BTU/hr furnace operating for three burner-on hours uses approximately 90,000 BTU, or 0.98 gallons of propane per day.
RV Propane Usage by Appliance
| RV appliance | Example input rating | Estimated use per burner hour |
|---|---|---|
| RV furnace | 30,000 BTU/hr | 0.328 gal |
| Water heater | 12,000 BTU/hr | 0.131 gal |
| Propane refrigerator | 1,500 BTU/hr | 0.016 gal |
| RV stove burner | 9,000 BTU/hr | 0.098 gal |
| Propane generator | 55,000 BTU/hr | 0.601 gal |
These ratings are illustrative examples, not universal appliance specifications. Always use the input rating provided by your equipment manufacturer.
How to Make RV Propane Last Longer
- Improve insulation around windows and doors.
- Set your furnace thermostat to a comfortable, efficient temperature.
- Reduce unnecessary hot water usage.
- Check propane levels before long camping trips.
- Maintain your furnace and propane appliances regularly.
- Use electric appliance modes when supported and suitable shore power is available.
Frequently Asked Questions About RV Propane
How long will a 20 lb propane tank last in an RV?
A normally filled 20 lb propane cylinder holds about 4.72 gallons. If your RV consumes 0.5 gallons per day, the tank could last approximately 9.4 days before accounting for a reserve.
How long does a 30 lb propane tank last?
A 30 lb propane cylinder holds approximately 7.08 gallons. At 0.5 gallons per day, estimated runtime is 14.2 days. Heating demand can reduce this significantly.
How many gallons of propane are in a 40 lb tank?
A normally filled 40 lb propane cylinder contains approximately 9.43 US gallons.
How much propane does an RV furnace use per hour?
A furnace rated at 30,000 BTU/hr consumes approximately 0.328 gallons for every hour its burner actually runs. Daily use depends on thermostat cycling.
Does an RV refrigerator use a lot of propane?
Propane absorption refrigerators generally use less propane than high-output heating appliances. Actual usage depends on refrigerator size, weather, cooling demand, and burner operation.
How much propane is needed for a week of RV camping?
Multiply your estimated daily propane consumption by seven. For example, at 0.75 gallons per day, a seven-day trip requires approximately 5.25 gallons, before adding a reserve.
Can I use this calculator for a travel trailer?
Yes. The calculator can be used for travel trailers, fifth wheels, campers, and motorhomes that operate appliances using propane.
Why does propane run out faster in winter?
Colder weather increases furnace demand. Low temperatures can also affect propane vaporization and delivery from a tank.
How do I estimate RV propane cost?
Multiply the estimated gallons needed for your trip by the local price per gallon. Refill and cylinder exchange prices may differ.
Is this RV propane calculator free?
Yes. You can use this calculator for free to estimate propane usage, runtime, and trip fuel costs.
Important Safety Information
This calculator provides estimates for planning purposes. It does not replace manufacturer guidance, professional propane system inspection, or safe operating practices. Never use a gas stove or oven as a space heater. Keep propane and carbon monoxide detectors operational.