"Trying to figure out your propane tank size? Well, 100 pounds the a good, dependable canister can carry you a long means in the center of a power outage. Exactly how long specifically? Well, that depends on exactly how your system is structured. The heavier the load, the much less time friend have. Wait, or is the the reverse?"


Using propane together a fuel source for warm offers the sense of ambiance and also warmth that a fireplace provides, other than without the mess of burnt wood and ashes. Many homeowners choose to have actually a 100-pound propane tank because it lasts much longer than the smaller tanks. But, how long will certainly a 100-pound propane tank last when offered for heating?

The quantity of time a 100-pound propane tank will certainly last you as soon as being used for heat depends top top how regularly you use it and the BTU of your fireplace. A 100-pound propane tank holds 23.6 pounds of propane once it’s full. If your fireplace is 20,000 BTU and also you use it 12 hrs a day, the 100-gallon propane tank will certainly last you roughly nine days.

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Knowing exactly how long a 100-pound propane tank big when supplied for heater is essential, especially throughout the winter months. This can assist you it is in prepared, even for worst-case scenarios. In this article, us will display you just how to calculate your fuel correctly.

Table the Contents

How large Is A 100-Pound Propane Tank?Which dimension Of Propane Tank have to You Use?Cost the Propane TanksRelated QuestionsWrapping it Up

Calculating your Propane for Heating

First, friend will require to find the brand for her fireplace burner to check for the BTUs or brother Thermal units that it supplies per hour. Friend can also ask the dealer indigenous which girlfriend bought her fireplace. Friend will require this information for your calculations.

Now, your propane, or LP gas, is marketed by the lb or through the gallon. So, friend must convert the BTU intake into either gallons of propane or pounds that propane because that each hour that your fireplace is used.

For instance, a 100-pound propane tank has actually a volume of 2,160,509 BTUs. If your fireplace is 20,000 BTUs, you will have to divide 2,160,509 through 20,000 to obtain the hourly burn rate. This equals out come be about 108 hours. Then, division the variety of hours by the hrs used. For instance, if you arrangement to use your heater 24 hours a day, this will administer you with four days that heat. If you use it for 12 hrs per day, it will last around nine days.

How large Is A 100-Pound Propane Tank?

The 100-pound propane tank is the largest portable tank that you have the right to have. The weighs about 70 pounds as soon as it is empty and also holds 100 pounds that propane, or 24 gallons liquified. When it’s full, the tank weighs about 171 pounds. That stands at about 46.5 customs tall with a 15-inch diameter.

Calculating Your intake Rate

How lengthy your 100-pound propane tank lasts depends on the rate at which her fireplace consumes the propane, and also how regularly you use it. For instance, one gallon of propane will certainly provide around 91,500 BTUs. This quantity of propane weighs about 4 ¼ pounds, which amounts to to approximately 21,500 BTUs every pound.

So, if your fireplace operation at 26,000 BTUs every hour, climate you will burn one pound of propane in about 50 minutes. This will equate to around 3.5 hours of burn time for each gallon that propane.

Which size Of Propane Tank should You Use?

The dimension of the propane tank friend use relies on what specifically you’re using propane for. If you’re only using her propane because that heating, then a 100-pound tank is perfect for that. However, it’s not best if you’re using your tank for other appliances together well.Here space several selections you have actually for propane tank sizes:

120 -325 gallons500 gallons1000 gallons1450 – 1990 gallons

What you choose additionally depends top top the quantity of room you have in her yard and also whether you’re open to having actually an underground tank or if you want to save the tank over ground.

120 to 325 Gallon Tank

The 120-to-325-gallon tanks are great if you’re just using a couple of propane appliances. Because that example, if you’re utilizing propane for her gas fireplace, the hot water tank, and also your stove, climate this dimension of propane tank is perfect because that what you need it for.

500 Gallon Tank

If your heater is supposed to develop heat because that your whole home quite than simply for a room, and you additionally use her propane because that multiple family appliances, then a 500-gallon tank will certainly fit your demands perfectly. This helps so the you don’t should fill the tank up rather as much and also is great for heater a smaller sized home.

1000 Gallon Tank

A tank that this size is great for everyone who provides a large amount that propane throughout the year. If your residence is bigger with multiple stories you need to heat, climate this would be the right choice for you. You have the right to heat your entire house and also use propane ran appliances with on problems on a 1,000-gallon tank.

1450 to 1990 Gallon Tank

Usually, you don’t require a tank that’s larger than 1,000 gallons for use on a residential property. However, if you have an extremely huge home or two dwellings running native the same propane tank, and you usage propane for every appliances and heating, this may be something you want.

Cost of Propane Tanks

Knowing the cost of propane tanks is essential, specifically if you’ve determined it would be in your ideal interest to purchase a larger propane tank. Listed below we’ve contained a table that reflects the estimated costs.

Tank dimension (Gallons)Cost because that Tank
5$30 – $60
50$350 – $700
100$400 – $800
120$400 – $800
250$500 – $1,000
500$500 – $3,000
1000$1,500 – $3,500
Over 1000$1,700 – $5,000

Cost to Fill her Propane Tank

The expense for you come fill her propane tank will certainly of course rely on how huge your tank is.

Tank dimension (Gallons)Fill Cost
5$15 – $25
50$150 – $250
100$300 – $500
120$360 – $600
250$750 – $1,250
500$1,500 – $2,500
1000$3,000 – $5,000
Over 1000$3,500 – $7,000

Propane typically costs about $3 to $5 per gallon, according to the national average. However, these prices will go under if you uncover a good deal. Because that example, if you have actually a 1,000-gallon tank, sometimes businesses will give you a 20% discount upon refill, which will then price you about $2,400 come $4,000 instead of $3,000 come $5,000.

Don’t let The to fill Price step You

While it can be a little bit overwhelming to pay $3,000 to fill your tank, you need to know that a 1,000-gallon tank will certainly last friend anywhere in between one year and also two years, depending on the rate of consumption. $3,000 for a year’s worth of fuel is nothing compared to the amount of money you will certainly pay for electricity and heating within that period.

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Not come mention, the above prices are based on worst-case scenarios. It’s much better to it is in surprised by unforeseen savings ~ above the price of something fairly than unexpected costs.