A 30-pound tank holds 7 gallons of propane and weighs 55 pounds.
A typical 30-pound steel liquid propane tank weighs approximately 2,528 pounds empty. Propane weighs around 4.125 pounds per gallon, and a 30 pound tank can hold around 7.5 gallons, so a full tank weighs around 55 pounds.The question then is how much capacity can a propane tank hold. An empty 20-pound tank holds approximately 4.7 gallons of propane. That’s 18.47 to 3.93 per gallon which is the low price (I just paid $ 3.44 per gallon when I was filling multiple tanks). The exchange is more or less the same price.
30 kg would hold us up for about 6 weeks. (BUT) Using propane is like using gasoline, everyone drives differently and some are faster than others.
Benefits of Filling a Propane Tank
For a grid size it is sufficient to calculate its own weight + 20 kg, i.e. how much the full tank should weigh. Most 20-pound tanks weigh 17 kg when completely empty. This means that a full propane tank should weigh around 37 pounds.
A typical 40-pound portable tank can hold up to 9.5 gallons of actual fuel. Multiply propane’s rate of fire by its capacity to find how long you can count on a single tank.
Convert pounds to gallons. Since propane weighs 4.2 pounds per gallon, divide the total amount of gas delivered in pounds by 4.2. This produces 20 pounds of propane, which is about 4 3/4 gallons of gasoline (20.2 = 4.76).
How to make propane last longer
Unlike fuel sources, which can degrade over time (paraffin, diesel, gasoline), propane fuel has no expiration date and its strength does not decrease during storage. All you need to worry about when storing propane is maintaining the health and integrity of the propane storage tank.
in 1820 hours
about 30.5 days
Propane tanks are sensitive to heat. When it is cold or if the tank is too empty, the gases will not expand enough to fill the space in the tank. This creates negative pressure. When the gas is exhausted, there are serious safety risks.
And at that rate, a gallon of propane will heat your RV for about 24 hours. And because a 20-gallon propane tank holds 4.5 gallons, it will heat your RV for 4.5 days.
The average RV heater burns about 1/3 gallon of propane when running uninterrupted for an hour. Based on this estimate, one gallon of propane = 3 hours of continuous fire use.