Do you know how many gallons are in a 420 lb propane tank? Well, you are at the perfect place to find the answer to such a question.
In order to select the right propane tank for the job, you have to understand how many gallons are in a propane tank. Unfortunately, this task can be difficult since propane tanks are typically labeled by the pound, not the gallon.
The good news is that figuring out how many gallons are in your 420 pound propane tank is easy if you know the right calculations and conversions.
A 420 lb propane tank holds 420 lb of propane, right? Well, not exactly.
To put it simply, on average you have 0.236 gallons = 1 pound of propane.
So, how many gallons are in a 420 lb propane tank? All 420 pound propane tanks hold about 96 gallons. Furthermore, these propane tanks are typically 50 (L) by 27.9 (W) by 27.9 (H) and weigh 206 pounds when empty. In reality, a 420 lb propane tank is about 80% full, so the most you can put in is 84 gallons. This size propane tank is typically used for heating up larger appliances, such as hot water, home heating, fireplaces, generators, and sometimes pool heaters.
If you are interested in learning more about how to calculate how many gallons are in a 420 pound propane tank, keep reading. This article explains all the calculations needed to figure out the capacity of your propane tank. Let’s dive right in.
How Many Gallons Are In a 420 lb Propane Tank?
Propane tanks are labeled based on how many pounds of propane the tank can hold. This title does not refer to the tank itself, just how much propane can hold. As a result, a 420 pound propane tank can hold 420 pounds of propane.
For many purposes, you will need to know how many gallons the propane tank can hold. The tank itself is normally 4 feet tall and 3 feet in diameter, making it spacious enough for a lot of propane. 420 pound propane tanks can hold 96 gallons of propane.
How Do You Calculate How Many Gallons Are In a Propane Tank?
How did we get this number? We did some simple calculations that you can do too. Knowing how to calculate how many gallons are in a propane tank will come in handy in the future.
The good news is that the calculations are easy and work the same way for all propane tanks.
Simply put, one pound of propane is equivalent to 0.236 gallons whenever the temperature is at 60 degrees Fahrenheit.
This temperature is important, and we will touch on it here in a second. For the purposes of calculating how many gallons are in a propane tank, you just have to understand that each pound of propane weighs 0.236 gallons.
What this means is that you can figure out how many gallons are in your propane tank by multiplying 0.236 by the number of pounds in the tank.
For a 420 pound tank, for instance, you would multiply 0.236 by 420. With this calculation, a 420 pound propane tank can hold 96 gallons of propane.
0.236 gallons X tank capacity in pounds = tank capacity in gallons
This formula can apply to any size propane tank. In other words, you can use this formula to figure out how many gallons are in any propane tank you may have or stumble upon.
A Note On Temperature
As mentioned above, the temperature of the propane is important for this calculation. Propane is safely stored at 60 degrees Fahrenheit.
Changing the temperature of the propane can be disastrous, and it changes the conversion rate of propane in pounds to gallons.
Whenever the temperature increases, the gas molecules will expand in a way, creating less space within the tank. As a result, less propane can be fed into the same container.
Conversely, colder temperatures cause the gas molecules to become closer together, which means more of the propane can fit inside the container.
For safety purposes, you always want to keep propane at 60 degrees Fahrenheit. Because this is the recommended temperature of propane, it is the temperature that is used to determine how much a pound of propane weighs in gallons.
How Much Does a 420 lb Propane Tank Weigh Full?
In order to calculate how much a propane tank weighs when full, you have to add the weight of the propane to the weight of the empty tank.
Figuring out how much the propane weighs is pretty easy. A 420 pound propane tank holds 420 pounds of propane when full. Knowing how much the empty tank ways can be a bit more difficult. Generally, a 420 pound propane tank weighs 206 pounds when empty.
Using these numbers, you will need to add 420 to 206. So, a 420 pound propane tank will weigh 626 pounds when full, including both the propane and the tank itself.
Here is some information about empty tank weight of different propane tank sizes:
|Propane Tank Size||Length||Width||Height||Empty Weight|
|1 lb||8 inches||4 inches||4 inches||1.3 pounds|
|2 lb||10 inches||5 inches||5 inches||2.1 pounds|
|3 lb||10 inches||7 inches||7 inches||3.7 pounds|
|5 lb||12 inches||8 inches||8 inches||6.7 pounds|
|10 lb||18 inches||9 inches||9 inches||9.8 pounds|
|11 lb||12.4 inches||12.2 inches||12.2 inches||10.4 pounds|
|15 lb||18 inches||10 inches||10 inches||11.8 pounds|
|20 lb||18 inches||12 inches||12 inches||13.5 pound|
|25 lb||21 inches||12 inches||12 inches||15.1 pounds|
|30 lb||24 inches||12.5 inches||12.5 inches||19.2 pounds|
|33 lb||26.75 inches||12.5 inches||12.5 inches||23.3 pounds|
|Propane Tank Size||Length||Width||Height||Empty Weigth|
|40 lb||27 inches||14.5 inches||14.5 inches||27.4 pounds|
|50 lb||27.4 inches||15.1 inches||15.1 inches||34.1 pounds|
|60 lb||44.1 inches||12 inches||12 inches||37.3 pounds|
|80 lb||46 inches||12 inches||12 inches||43.2 pounds|
|100 lb||48 inches||14.5 inches||14.5 inches||67 pounds|
|120 lb||48 inches||16 inches||16 inches||75 pounds|
|150 lb||48 inches||18 inches||18 inches||101 pounds|
|200 lb||48 inches||19.6 inches||19.6 inches||127 pounds|
|120 gallon||52 inches||30 inches||30 inches||260 pounds|
|150 gallon||85 inches||25 inches||25 inches||298 pounds|
|200 gallon||88 inches||27 inches||27 inches||387 pounds|
|250 gallon||92 inches||30 inches||30 inches||483 pounds|
|300 gallon||100 inches||30 inches||30 inches||591 pounds|
|400 gallon||112 inches||32 inches||32 inches||794 pounds|
|500 gallon||120 inches||37 inches||37 inches||949 pounds|
|750 gallon||160 inches||39 inches||39 inches||1,365 pounds|
|1,000 gallon||190 inches||41 inches||41 inches||1,760 pounds|
|2,000 gallon||288 inches||55 inches||55 inches||3,400 pounds|
How Long Does a 420 lb Propane Tank Usually Last?
How long the 420 pound propane tank last depends on the BTU of the burner and the approximate run time of the burner.
In other words, how powerful the burner is and how often you turn the burner on will determine the life expectancy of a propane tank.
Because 420 pound propane tanks are rather large, these propane tanks tend to last a pretty long time. Still, the burner time will depend on the factors mentioned above.
Let’s look at an example to fully understand what we mean.
Let’s say that you are using a burner with an 80,000 BTU rating. A 420 pound propane tank will run for about 113.37 hours with this burner.
How Do 420 lb Propane Tanks Compare To Other Sizes?
A 420 pound propane tank is just one of the many sizes of propane tanks available. It’s important that you select the correct propane tank size based on your intended uses. Here’s a look at some of the different size propane tanks available:
|Gallons of Propane||Tank Size|
|1 – 1.2 Gallons||5 lb|
|2.6 Gallons||11 lb|
|3.53 Gallons||15 lb|
|4.6 Gallon||20 lb|
|7 Gallons||30 lb|
|7.7 Gallons||33 lb|
|9.2 Gallons||40 lb|
|11.4 Gallons||50 lb|
|23.6 Gallons||100 lb|
|28.3 Gallons||120 lb|
|60 Gallons||250 lb|
|96 Gallons||420 lb|
|400 Gallons||500 lb|
|800 Gallons||1000 lb|
|24,000 Gallons||30,000 lb|
420 pound propane tanks are best for larger appliances and heating purposes. You’ll certainly want to consider a 420 pound propane tank if you want to heat up your home or water.
It’s also good for heating pool water. 420 pound propane tanks are not ideal for small appliances.
If you need a propane tank for small appliances, such as grills or space heaters, definitely look at smaller propane tanks. 20 pound propane tanks are considered the standard, but there are tanks slightly smaller or larger that may be better suited for your task.
Once again, a 420 pound propane tank is
able to hold about 96 gallons of propane. This size propane tank is awesome for
bigger appliances and heating purposes. Because of its large size, it is not
suited for small appliances.
Regardless of what size propane tank you
select, you always want to double-check the size in both pounds and gallons.
Then, compare the size to the task at hand.
That way, you can select the best propane tanks for your needs.
Now that you know multiple equations for
calculating the size and weight of a propane tank, including 420 pound tanks,
you can figure out the size of any propane tank. Good luck!
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