How much does gallon of propane weigh

How much propane is in a 250-gallon tank? Most 250-gallon tanks hold around 200 gallons of propane. This is because the tank is only 80% full to allow for the expansion of the liquid propane. One gallon of propane gas contains approximately 91,600 BTUs of energy, so a 250-gallon tank would hold approximately 96,000-100,000 BTUs of …

A 500-gallon tank is 9 feet 11 inches long and about 3 feet in diameter. The largest common propane tank size is the 1,000-gallon tank. This tank is about 16 feet 2 …How Much Does A Gallon Of Propane Weigh? 1 gallon of propane weighs 4.11 lb. That’s if you measure it at 77°F, of course. It’s important to understand that the 4.11 lb/gallon density of LPG only applies at room temperature (77°F).The 60lb propane tank can hold up to around 13.4 gallons of propane. This is usually 80% of the total capacity to allow the propane to expand. Weight of a 60-pound propane tank. An empty 60-pound propane tank will definitely weigh 60lb. A 60lb of propane tank can contain about 13.4 gallons. Note that 1 gallon of propane is 4.11b.120 Gallon Propane Tank. Dimensions: 4'6" in height and 30" in diameter. Uses: 1-2 residential appliances. Commonly used for a hot water heater or space heater alone, or with another small appliance like a dryer or cooktop. A 120 gallon propane tank is also commonly referred to as 420 lb propane tank. 120 gallon propane tanks hold 96 …The dimensions of a 20-pound propane tank are 8 inches length and 4-inches wide. According to the 80 percent safety guideline, a 20 lb propane tank can hold a total of 16 lb of propane. The empty 20-pound propane tank weighs around 13.5 pounds. Aluminum 20 pound propane cylinders are lighter than steel cylinders.

Most 500-gallon propane tanks extend up to 120 inches or 305 centimeters long with a diameter of 37 inches or around 94 centimeters. This storage canister can hold up to 400 gallons of fuel. When empty, it can weigh 949 pounds, and when full, this tank weighs a whopping 2649 pounds. 500 Gallon Tank Uses.The answer to how many pounds are in 5 gallons of water comes from the widely known mass-density-volume formula: Mass [pounds] = Density [pounds/gallon] × Volume [gal]‎. Substituting the density of water and the volume, we get: Mass [pounds] = 8.3454 pounds/gallon × 5 gallons = 41.73 pounds.The weight of a gallon of liquid depends on the density of the liquid. The density of a liquid can also vary a bit depending on its temperature. In common use temperature changes doesn't make big differences, so temperature changes can usually be ignored. Mathematical formula for converting pounds to gallons is: Gallon size * liquid density ... A full 250-gallon propane tank contains approximately 80% of its total capacity in liquid propane, which equates to 200 gallons of propane. Considering that propane weighs 4.24 pounds per gallon at room temperature, a full 250-gallon propane tank can weigh around 1,348 to 1,648 pounds (including the tank’s tare weight). How Much Does A Gallon Of Propane Weigh (For 40 lb Propane Tank) The density of propane is about 1/2 that of water; it is about 50% lighter than water. Water has a density of 8.34 lb/gallon at 77°F, for reference. The density of propane in a 40-gallon tank depends on temperature. At 90°F, the density of propane is low (4.05 lb/gallon).100 gallons of propane weighs 424 pounds (4.24 lbs per gallon) If there’s a huge temperature drop (over 20°F) the gauge will indicate that there is less propane in the tank. The gauge dial sits between 35% and 40% following the temperature decrease, so the tank still has 424 pounds of propane. While the propane volume has dropped, the …A 20 lb (9.1 kg) steel propane cylinder.This cylinder is fitted with an overfill prevention device (OPD) valve, as evidenced by the trilobular handwheel. Propane (/ ˈ p r oʊ p eɪ n /) is a three-carbon alkane with the molecular formula C 3 H 8.It is a gas at standard temperature and pressure, but compressible to a transportable liquid.A by-product of natural gas …

How much does a 30 pound propane tank weigh when it’s empty? “The empty weight of a common steel “30 pound” liquid propane tank is around 25-28 pounds. Propane weighs approximately 4.125 pounds per gallon, and a “30 pound tank” will carry roughly 7.5 gallons, therefore a full tank will weigh approximately 55 pounds.”The average weight is 552 pounds. Take the tare weight of the empty tank and multiply it by the weight of propane. The weight of a gallon of propane is 4.25 pounds. In a 100-gallon tank, you may fill 80 gallons of propane, which is an additional 804.25 = 340 pounds. The weight of a full 100 gallon tank is 212 lb + 340 lb = 552 lb.How Much Does a 250 Gallon Propane Tank Weigh. The weight of a 250 gallon propane tank can vary depending on the specific tank and its manufacturer. However, on average, an empty tank weighs around 500-600 pounds, and when filled with propane, it can weigh around 1700 pounds. It’s important to keep in mind that a filled tank is …Every gallon of propane weighs 4.24 lb. And one pound of propane equals 0.236 gallons of volume. To determine how much propane is left, you can subtract the …

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As a rule of thumb, propane liquid weighs 4.11 pounds per gallon at 77°F, which translates to a density of 0.493 g/cm3. Based on that, you can calculate the weight of propane by multiplying its volume (in gallons) by 4.11. For example, 20 gallons of propane weighs: 20 gallon x 4.11 pounds/gallon = 82.2 pounds.The average price for a gallon of diesel gas jumped by 51 cents reaching $5.13 from $4.61 within just a week, according to AAA. The average price for a gallon of diesel gas jumped ...To give you a general idea, a gallon of propane typically weighs around 4.2 pounds in liquid form at 60°F (16°C) and 5 gallons of propane weighs around 21.2 pounds. Keep in mind that this figure may change slightly under different conditions.A 5 lb propane tank can hold 1-1.2 gallons of propane, which is equal to between 91,000 BTUs and 109,200 BTUs. A 5 lb propane tank is ideal for camping and fuelling smaller appliances. A tank of this size might fuel a medium grill for around 5 hours and it could last for more than a week if you take it camping with you.A standard gallon of gas will weigh about six pounds, but it will vary depending on the type of gas used. So, How Much Does a Gallon of Gas Weigh? The weight of gas can be a tad complicated because it depends on the grade, plus temperature and quality. A basic gallon of standard gasoline is 6.0 pounds. Higher grades, 91 or 93 …To determine the full weight, you need the following details: the tare weight and the propane weight. The tare weight is usually stamped on the tank’s collar. It’s the empty tank’s weight. Propane weighs around 4.2 pounds per gallon. Most tanks hold 20 pounds of propane when full. Identify the tare weight (TW) on the tank’s collar.

The average weight is 552 pounds. Take the tare weight of the empty tank and multiply it by the weight of propane. The weight of a gallon of propane is 4.25 pounds. In a 100-gallon tank, you may fill 80 gallons of propane, which is an additional 804.25 = 340 pounds. The weight of a full 100 gallon tank is 212 lb + 340 lb = 552 lb.The other represents its full weight (water capacity). A full 5-gallon propane tank weighs about 37 pounds. To figure out how full your propane tank is, weigh the tank on a bathroom scale and subtract the tare weight. For example, if a tank weighs 20.6 pounds and the tare weight stamped on the collar is 17 pounds, 20.6 – 17 = 3.6 pounds of ...Conclusion: The weight of a gallon of cooking oil typically ranges from 7.6 to 8 pounds. While variations exist based on the type of oil, knowing the approximate weight is crucial for achieving accurate measurements and maintaining consistency in cooking. Rate …How much does a gallon of honey weigh? A US gallon of honey typically weighs around 12 pounds. The weight of the honey will, however, vary slightly depending on ... In order to learn how much a propane tank will weigh when full, you have to add the tare weight to the amount of propane in the tank. 15 pound propane tanks weigh about 12.7 pounds when empty. As a result, the tare weight of a 15 pound propane tank is 12.7 pounds. Whenever a 15 pound propane tank is full, that propane gas will weigh 15 pounds. For example, a 500-gallon tank will carry 300 gallons to 325 gallons of propane for an optimal delivery. A 1,000-gallon tank will carry 600 gallons to 700 gallons. They can only fill a propane tank up to about 85% capacity because gas expands in the tank as it warms up. Another consideration is geography. Propane is heavier than gasoline, with a gallon of gasoline weighing around 6. 3 pounds, while a gallon of propane weighs 4. 2 to 4. 3 pounds. This weight difference is a crucial factor to consider when comparing the two fuel options for various applications. We would like to show you a description here but the site won’t allow us.As a baseline, one U.S. gallon of propane weighs 4.24 pounds at 60°F. This standard weight is calculated based on propane’s density of 0.504 pounds per cubic foot at 60°F at sea level. Since propane is transported and used in pressurized tanks, it is compressed into a liquid. The density measures the mass per unit volume of the liquid propane.Standard Propane Weight at Room Temperature. As a baseline, one U.S. gallon of propane weighs 4.24 pounds at 60°F. This standard weight is calculated based on propane’s density of 0.504 pounds per cubic foot at 60°F at sea level. Since propane is transported and used in pressurized tanks, it is compressed into a liquid.How much does 25 gallons of liquid propane gas weigh? The density of liquid propane is 102.75 pounds per 25 gallons at 77 degrees F (25 degrees C), and it expands 1.5% per 10-degree-F increase in ...

Riley Beard Propane Tank, 30,000 Gallon, was used. At 100 degrees F, the pressure is 250 psi. On saddles made of concrete. 48,000 pound weight. pound propane tanks. Size and Capacity: When filled, this tank is about 1.5 feet tall by 1 foot in diameter and holds a little less than 5 gallons of propane. Note: These tanks are not refilled on the spot.

How can you measure what light weighs? Learn how much light weighs at HowStuffWorks. Advertisement If there were a simple answer to how much light weighs, we'd all know it. There w...Prices change over the years due to the surges in propane prices. Most propane refills are priced per gallon, which ranges from $2 and $6, and obviously, 20 lbs propane tanks will cost a little bit of money compared to 30 lbs tanks. Depending on the brand, retailer, and location, you’ll pay $20 or more for every refill of 20 lbs propane tanks.When empty, most propane grill cylinders weigh around 17 pounds and store roughly 20 pounds of propane. This figure will indicate how much propane is remaining in the cylinder. If your tank weighs 26 pounds and has a tare weight of 17 pounds, you have around 9 pounds of gas left. That’s a little more than half of a tank.All 500-gallon propane tanks are 119 inches long (or 9 feet and 11 inches). Total Empty Weight: 949 lbs. 500-gallon propane tanks are quite heavy. They weigh 949 lbs when empty. When you fill them with 400 gallons of propane (further on, we explain why you can only put 400 gallons of propane in a 500-gallon propane tank; it’s the …A gallon of propane weighs 4.24 pounds. The average for a grill tends to be a little over 4 gallons, which would equal out to around 20 pounds of propane. The type you might see for small generators, for example, could be anywhere between 1 to 4 gallons. Therefore, you might get something that weighs anywhere between 5 and 20lbs respectively. The total empty weight of the horizontal tank is not standardized; an empty 120-gallon horizontal propane tank can weigh anywhere from 260 lbs to 300 lbs. Full Weight: 655 – 695 lbs. As we have mentioned above, we have to add 395 lbs of propane (that’s a weight of 96 gallons of propane) to the empty weight to get the 120-gallon horizontal ... The average weight is 552 pounds. Take the tare weight of the empty tank and multiply it by the weight of propane. The weight of a gallon of propane is 4.25 pounds. In a 100-gallon tank, you may fill 80 gallons of propane, which is an additional 804.25 = 340 pounds. The weight of a full 100 gallon tank is 212 lb + 340 lb = 552 lb.Prices at the pump are dropping, and some forecasts have a gallon of gas heading toward $3 a gallon. By clicking "TRY IT", I agree to receive newsletters and promotions from Money ...

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40 lb. Propane Tank · Empty shipping weight: 29.1 lbs. · Fill weight: 40 lbs. · Holds: 9.4 gallons of propane ...The total empty weight of the horizontal tank is not standardized; an empty 120-gallon horizontal propane tank can weigh anywhere from 260 lbs to 300 lbs. Full Weight: 655 – 695 lbs. As we have mentioned above, we have to add 395 lbs of propane (that’s a weight of 96 gallons of propane) to the empty weight to get the 120-gallon horizontal ...The other represents its full weight (water capacity). A full 5-gallon propane tank weighs about 37 pounds. To figure out how full your propane tank is, weigh the tank on a bathroom scale and subtract the tare weight. For example, if a tank weighs 20.6 pounds and the tare weight stamped on the collar is 17 pounds, 20.6 – 17 = 3.6 pounds of ...A 5 lb propane tank can hold 1-1.2 gallons of propane, which is equal to between 91,000 BTUs and 109,200 BTUs. A 5 lb propane tank is ideal for camping and fuelling smaller appliances. A tank of this size might fuel a medium grill for around 5 hours and it could last for more than a week if you take it camping with you. So how much does a 500 gallon propane tank weigh? Liquid propane weighs around 4.24 pounds (1.92 kg). A 500-gallon tank filled with propane weighs approximately 2,120 pounds (961 kg). When added to the weight of the tank, it totals between 3,020 to 3,320 pounds (1,369 to 1,505 kg). But, a 500-gallon propane tank can only hold 80% of its capacity. As a rule of thumb, propane liquid weighs 4.11 pounds per gallon at 77°F, which translates to a density of 0.493 g/cm3. Based on that, you can calculate the weight of propane by …How can you measure what light weighs? Learn how much light weighs at HowStuffWorks. Advertisement If there were a simple answer to how much light weighs, we'd all know it. There w...Jan 8, 2024 · A standard gallon of gas will weigh about six pounds, but it will vary depending on the type of gas used. So, How Much Does a Gallon of Gas Weigh? The weight of gas can be a tad complicated because it depends on the grade, plus temperature and quality. A basic gallon of standard gasoline is 6.0 pounds. Higher grades, 91 or 93 octanes, are 6.1 ... ….

Feb 27, 2018 ... Looking at the numbers-a 20# propane tank is supposed to hold 4.7 gallons or about 600 ounces. A one pound green bottle holds about 16.2 ounces.Taking this into account, a 100-pound propane tank would actually be filled with approximately 80 pounds of propane, which translates to about 18.9 gallons (80 pounds / 4.24 pounds per gallon). When considering the weight of the tank itself, which is roughly 70 pounds, the total weight of a filled propane tank of this size would be around 150 ...Propane pounds per gallon. Propane weighs 4.25 pounds per gallon. Here’s a chart: 4.25 – 1 8.50 – 2 12.75 – 3 17.00 – 4 21.25 – 5 25.50 – 6 29.75 – 7. 1. Weigh your propane tank. You might use this multipurpose luggage scale: >> LUGGAGE SCALE (view on amzn) 2. Subtract it’s TW Tare Weight (stamped on tank collar). 3.Mar 2, 2022 · The 500-gallon propane tank holds about 400 gallons. You can figure out how much a propane tank labeled by weight holds if you know how much a gallon of propane weighs. One gallon of propane is equal to about 4.24 pounds, so you only need to divide the weight of the full tank by 4.24. Using this method, we can find that a 20-pound tank will ... A full 20-pound tank of liquid propane is equal to 4.7 gallons (17.8 liters). This same tank weighs approximately 68 pounds (31 kg) when expressed in kilograms. Furthermore, a gallon of propane is equivalent to 0.42 pounds (0.19 kg) when expressed in kilograms. Knowing how to convert propane weights between units of measurements …That’s because it’s 15, or 20 or 40 pounds of propane plus the weight of the tank, also called the tare weight. For a 20-pound cylinder, the tare weight is typically about 17 pounds. So a full 20-pound cylinder will weigh about 37 pounds. You’ll find the tare weight on the neck of the cylinder, sometimes as “TW.”.How much does propane weigh in kilograms? For a full 14.2kg gas cylinder, the weight (fuel tank weight) is around 29.5kg. The tare weight (empty gas cylinder weight) of a household gas cylinder is roughly 15.3kg. ... One gallon of liquid propane weighs 4.24 pounds, while one gallon of water weighs 8.33 pounds. Because propane is heavier …Propane weight per gallon is a fixed value, so you can easily calculate the propane weight in a full tank by multiplying the number of gallons by 4.2 (the weight of a gallon of propane). However, it’s important to note that the two largest tank sizes (500 and 1,000 gallons) are typically listed by their gallon capacity only. ... How much does gallon of propane weigh, 1-gallon propane bottles: Ideal for people who want to do a little cooking while camping. 5- to 50-gallon tanks: Ideal for running an outdoor grill or providing fuel for the cost of a backup generator. 120- to 325-gallon tanks: Can take care of heating, cooking, and using a fireplace, dryer, and standard hot water, 1 cubic meter of Propane weighs 493 kilograms [kg] 1 cubic foot of Propane weighs 30.77698 pounds [lbs] Propane weighs 0.493 gram per cubic centimeter or 493 kilogram per cubic meter, i.e. density of propane is equal to 493 kg/m³; at 25°C (77°F or 298.15K) at standard atmospheric pressure . In Imperial or US customary measurement system, the ... , The total empty weight of the horizontal tank is not standardized; an empty 120-gallon horizontal propane tank can weigh anywhere from 260 lbs to 300 lbs. Full Weight: 655 – 695 lbs. As we have mentioned above, we have to add 395 lbs of propane (that’s a weight of 96 gallons of propane) to the empty weight to get the 120-gallon horizontal ..., That will bring you to a total of 4.3 pounds. The average 40-pound propane tank can hold about 9 to 10 gallons. But since you can only fill the tank with 8 gallons of propane, 80% of capacity, you are looking at increasing the total weight to 66 pounds approx. Other tanks may be heavier than that total. The total weight of the propane …, The underground tanks include the 500-gallon propane tank and the 1,000-gallon propane tank. In order to understand things properly, we must know that 1 liter of propane weighs 0.51 kilograms. Meanwhile, 1 gallon of propane weighs 4.11 pounds (2.21 kilograms). The quantity of propane that you need will decide the tank size that …, To give you a general idea, a gallon of propane typically weighs around 4.2 pounds in liquid form at 60°F (16°C) and 5 gallons of propane weighs around 21.2 pounds. Keep in mind that this figure may change slightly under different conditions., When empty, most grilling tanks weigh around 17 pounds and store around 20 pounds of gas. Simply weigh your tank on a scale and subtract the TW number to find out how much propane is left in it. For example, if a 27-pound tank has a TW of 17 pounds, there’s about 10 pounds of gas left just over half a tank. 3., For example, a 250-gallon propane tank weighs about 483 lbs when empty and 1,333 lbs when full. As you can read in a more detailed version, 1 gallon of propane weighs 4.11 lbs at 77°K. The best practice is to install it empty (that’s will almost 500 pounds of weight), and then fill it up., As a baseline, one U.S. gallon of propane weighs 4.24 pounds at 60°F. This standard weight is calculated based on propane’s density of 0.504 pounds per cubic foot at 60°F at sea level. Since propane is transported and used in pressurized tanks, it is compressed into a liquid. The density measures the mass per unit volume of the liquid propane., A 20-pound cylinder is compatible with pretty much all propane refill stations. Typically, a full 20-pound tank weighs 37 pounds because the weight of an empty cylinder—also called the Tare Weight (TW)—is 17 pounds. It holds 20 pounds of fuel, which is called its Water Capacity (WC), adding up to 37 pounds., Aug 13, 2021 ... Weigh the tank. Most propane grill tanks come with two numbers stamped on the handle – the water capacity (“WC”) and Tare Weight (TW – the ..., Additionally, the tank holds about 240 gallons of propane – this is about 80% of the total capacity of the tank. The 80% capacity is used to give the propane the freedom to expand without causing any problems. Weight of the 300-gallon propane tank. When the tank is empty, it weighs about 591 pounds; when it is full, it weighs about 2594 ..., How many gallons does a 1,000-gallon propane tank hold? A 1,000-gallon propane tank is 16’2” long and 41” in diameter. It holds 800 gallons of propane when full. For safety, propane tanks are never permitted to be filled with more than 80% total capacity. This is why a 1,000-gallon propane tank only holds 800 gallons of propane., How many gallons does a 1,000-gallon propane tank hold? A 1,000-gallon propane tank is 16’2” long and 41” in diameter. It holds 800 gallons of propane when full. For safety, propane tanks are never permitted to be filled with more than 80% total capacity. This is why a 1,000-gallon propane tank only holds 800 gallons of propane., As a rule of thumb, propane liquid weighs 4.11 pounds per gallon at 77°F, which translates to a density of 0.493 g/cm3. Based on that, you can calculate the weight of propane by multiplying its volume (in gallons) by 4.11. For example, 20 gallons of propane weighs: 20 gallon x 4.11 pounds/gallon = 82.2 pounds., The weight of the 250-gallon tank is another piece of information you might find valuable. You’ll need to be able to manage it, as these tanks are quite heavy. A 250-gallon propane tank, for example, weighs 483 pounds when empty and 1,333 lbs when filled. At 77K, 1 gallon of propane weights 4.11 pounds, as you can see in a more comprehensive ..., What makes content go viral? We asked 3 experts to weigh in. Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and inspiration. Res..., A 1000-gallon propane tank can weigh around 1,800-2,000 pounds when empty and approximately 8,300-8,500 pounds when full. Remember that propane weighs about 4.2 pounds per gallon, so when filled, the tank contains approximately 7,500-8,000 pounds of propane, with the remaining weight being the tank itself., The average weight is 552 pounds. Take the tare weight of the empty tank and multiply it by the weight of propane. The weight of a gallon of propane is 4.25 pounds. In a 100-gallon tank, you may fill 80 gallons of propane, which is an additional 804.25 = 340 pounds. The weight of a full 100 gallon tank is 212 lb + 340 lb = 552 lb., One cubic foot of propane gas weighs.1162 pounds, while one cubic foot of air weighs.07655 pounds. This means propane in its vapor state is heavier than air and will settle to the lowest level possible. Liquids, on the other hand, are normally weighed in terms of gallon. One gallon of liquid propane weighs 4.24 pounds, while one gallon of water ... , Feb 3, 2023 · To know how much gas is left in gallons, divide the weight of the remaining gas by 4.2 pounds, which is the weight of one gallon of propane. Using this formula and the example above, we know that 8 lbs of gas is equivalent to 1.9 gallons (8 lbs or 3.6 kg of remaining gas / 4.2 lbs or 1.9 kg per gallon = 1.9 gallons or 8.6 liters). , The gallon-to-pound calculator uses two imperial measurements: gallons and pounds.However, they measure liquids in different ways. A gallon is a unit of volume — how much space does something take up. The US gallon is the unit you are most likely to come across when discussing gallons. It's equal to 4 quarts, 8 pints, 16 cups (imperial …, How much does a 30 pound propane tank weigh when it’s empty? “The empty weight of a common steel “30 pound” liquid propane tank is around 25-28 pounds. Propane weighs approximately 4.125 pounds per gallon, and a “30 pound tank” will carry roughly 7.5 gallons, therefore a full tank will weigh approximately 55 pounds.”, A 20-pound cylinder is compatible with pretty much all propane refill stations. Typically, a full 20-pound tank weighs 37 pounds because the weight of an empty cylinder—also called the Tare Weight (TW)—is 17 pounds. It holds 20 pounds of fuel, which is called its Water Capacity (WC), adding up to 37 pounds., For example, a 250-gallon propane tank weighs about 483 lbs when empty and 1,333 lbs when full. As you can read in a more detailed version, 1 gallon of propane weighs 4.11 lbs at 77°K. The best practice is to …, When empty, most propane grill cylinders weigh around 17 pounds and store roughly 20 pounds of propane. This figure will indicate how much propane is remaining in the cylinder. If your tank weighs 26 pounds and has a tare weight of 17 pounds, you have around 9 pounds of gas left. That’s a little more than half of a tank., Additionally, the tank holds about 240 gallons of propane – this is about 80% of the total capacity of the tank. The 80% capacity is used to give the propane the freedom to expand without causing any problems. Weight of the 300-gallon propane tank. When the tank is empty, it weighs about 591 pounds; when it is full, it weighs about 2594 ..., Taking this into account, a 100-pound propane tank would actually be filled with approximately 80 pounds of propane, which translates to about 18.9 gallons (80 pounds / 4.24 pounds per gallon). When considering the weight of the tank itself, which is roughly 70 pounds, the total weight of a filled propane tank of this size would be around 150 ..., Oct 12, 2021 · A 20-pound propane tank or grill cylinder is 18 inches tall and is most often used to power gas grills. Meanwhile, a 30-pound propane tank is two feet tall and frequently fuels the heat and appliances for campers. Twenty-pound tanks are easier to transport at 37 pounds when full; 30-pound tanks weigh 55 pounds, and they last longer. , The following steps outline how to calculate the Propane Gallons To Pounds using the formula: W = G * 4.23. First, determine the volume of propane in gallons (G). Next, use the formula W = G * 4.23 to calculate the weight of propane in pounds (W). Finally, calculate the Propane Gallons To Pounds., Propane Tank Dimensions (may vary by manufacturer) 123 Gal Tank / 420 lb Cylinder. Height. 53″. Diameter. 30″. Weight. 272 lbs., About Propane, gas. 1.87939 kilograms [kg] of Propane, gas fit into 1 cubic meter. 0.00108636 ounce [oz] of Propane, gas fits into 1 cubic inch. Propane, gas weighs 0.00187939 gram per cubic centimeter or 1.87939 kilogram per cubic meter, i.e. density of propane, gas is equal to 1.87939 kg/m³; at 0°C (32°F or 273.15K) at standard …, 0.236 X tank capacity in pounds = tank capacity in gallons. Let’s apply this formula to a 50 pound propane tank. Simply multiply 0.236 by 50, and the result is 11.8 gallons. This formula can apply to any other size propane tank as well. Just substitute 50 for however many pounds are in your propane tank.