How much does gallon of propane weigh

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.

Answer: A standard 20 pound propane tank when safely full (80% full) , weighs the stamped “TW” (Tare Weight) plus 16.8 (the weight of 4 gallons of propane.. 4 x 4.2 LBS per gallon). So 17 + 16.8 = 33.8 pounds when full (again, depends on your tank Tare Weight so check the collar stamp).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).Propane usage depends on the nature of use, such as appliances, furnaces and fireplaces, as well as the climate. Each gallon of propane provides 91,547 British thermal units, or BT...Propane is a versatile and efficient fuel source that can be used for various purposes, including heating homes, powering appliances, and fueling vehicles. When considering the cos...One gallon of propane gas produces around 92,000 BTUs, so if you have a typical 20-pound tank, that’s 4.76 gallons or 438,000 total BTUs that your tank can produce when full. ... How Much Does a 20 LB Propane Tank Weigh When Full? A 20-lb propane tank, when full, weighs about 37-38 pounds since it weighs 17 pounds when empty. ...

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. 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.A 33.5 lb propane tank has a maximum capacity of about 7.8 gallons or 35.5 litres. It is one of the larger tank sizes that are still reasonably portable. The 33.5 lb tank is quite a specific size of tank as opposed to the more …(Detailed Guide) The weight of a propane tank can vary based on its size and whether it’s full or empty. A 20-pound propane tank is one of the most common …Mar 14, 2022 ... The problem exists because the weight calculations are performed with the standard weight of one gallon of propane weighing 4.24 pounds at 60 ...

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 …Propane is often measured in gallons or pounds, depending on temperature and pressure. Generally, one gallon of propane is equal to 4.24 pounds, while a pound is equivalent to 0.236 gallons. Knowing these conversions is key for using and managing propane correctly. Both residential and commercial users must be aware of factors that could …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 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.

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Gas prices could fall below $3 a gallon this fall if oil prices don't rally between now and then, experts forecast. By clicking "TRY IT", I agree to receive newsletters and promoti...A 500 gallon propane tank weighs around 1,180 pounds when empty (535 kg). The weight of liquid propane per gallon is 4.24 pounds (1.92 kg). What is the size of a 320 gallon propane tank? The 320, 325, and 330 gallon tanks are approximately 10′ long and 31″ wide. They have a capacity of 265 gallons of Propane at an 80% concentration.mass = d × v × vcfmcf, where vcf is the conversion factor to convert from US gallon to cubic meters (table near the end of this page) and mcf equals 1 because the mass is already in kiliograms. So, plugging these values in the formula above, we get: mass = 583.07 × 1 × 0.0037854117841. mass = 583.07 × 0.003785411784, or. There are 226.77 centimoles in 100 grams of Propane. About Propane. 493 kilograms [kg] of Propane fit into 1 cubic meter. 30.77698 pounds [lbs] of Propane fit into 1 cubic foot. 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 ... This means that a 500-gallon tank can hold up to 400 gallons (1,514 liters) of propane when full. With this information, we can calculate the weight of the propane itself: 400 gallons x 4.11 pounds per gallon = 1,644 pounds (746 kg). Putting It All Together: The Total Weight of a Full 500-Gallon Propane Tank.

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 Do Atoms Weigh? - Atoms are in everything and are the particles of the universe. Visit HowStuffWorks to discover what an atom is and how much they weigh. Advertisement The...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 ...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 …How Much Does It Weigh? We know that this 30 lb. propane tank is going to weigh at least 30 pounds. The 30 lb. number is specifically related to the assumed weight of 7 gallons of propane within the tank. However, that number does not consider the tank materials’ weight. Most 30 lb. propane tanks will weigh more like 50 pounds when they …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.”How Much Does a Full Propane Cylinder Weigh? For the most part, grills utilize a 20-pound portable propane cylinder, also called a 5-gallon tank. This is the propane tank size you commonly find at home stores, gas stations, and hardware stores. A 20-pound cylinder is compatible with pretty much all propane refill stations. 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. 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 ... 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).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 …

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.

A 500 gallon propane tank weighs around 1,180 pounds when empty (535 kg). The weight of liquid propane per gallon is 4.24 pounds (1.92 kg). What is the size of a 320 gallon propane tank? The 320, 325, and 330 gallon tanks are approximately 10′ long and 31″ wide. They have a capacity of 265 gallons of Propane at an 80% concentration.A 500 gallon propane tank weighs around 1,180 pounds when empty (535 kg). The weight of liquid propane per gallon is 4.24 pounds (1.92 kg). What is the size of a 320 gallon propane tank? The 320, 325, and 330 gallon tanks are approximately 10′ long and 31″ wide. They have a capacity of 265 gallons of Propane at an 80% concentration.40 lb. Propane Tank · Empty shipping weight: 29.1 lbs. · Fill weight: 40 lbs. · Holds: 9.4 gallons of propane ...On Average, a 20-pound propane tank can weigh 17.2 pounds. But others may weigh 18 or even 16.6. How Much Does A Full Gas Grill Propane Tank Weigh. Propane tanks are marked in cubic feet, pounds or gallons. A model’s exact size depends on the propane it has. But this varies depending on how much propane a household uses per meal.A 500-gallon propane tank will hold 400 gallons of propane, and on average will need to be refilled twice a year if it’s used for heating, cooking, and appliances. Tanks used for fewer ...About 21,000 gallons of oil were spilled. Oil is washing ashore on beaches near Santa Barbara, California, after a nearby pipeline operated by Plains All-American Pipeline ruptured...How Much Does A Gallon of Gasoline Weigh? The weight of a gallon of gasoline is about six pounds. There is a slight difference depending on the type of gasoline and its additives. Unlike water, which weighs about 8.4 pounds per gallon, gasoline is 25% lighter. Many people instinctively think that all liquids weigh the same as water, which is ...The following steps outline how to calculate the Propane Weight. First, determine the total volume of propane (gallons). Next, gather the formula from above = PRW = V * 4.24. Finally, calculate the Propane Weight. After inserting the variables and calculating the result, check your answer with the calculator above. Example Problem :A gallon of propane weighs 4.2 pounds. A 20-pound propane tank contains 4.7 gallons of propane. To get the weight of propane in a 20-pound tank, multiply...

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When it comes to propane tanks, there are a variety of sizes available to meet different needs. One popular size for residential use is the 250-gallon propane tank. This size is of...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 weight of empty propane tanks depends on the size of the tank. A typical grilling propane tank has 20 lbs of gas and is stored in a 17-lb tank. This means that the total weight is 37 lbs and the empty tank weighs 17 lbs. Here are three simple ways for you to measure how much gas you have left and to know if you have an empty tank: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...There are many practical and legal reasons to learn lock picking, (we covered this last week in our guide on how to use your dark side for good) but the picks can be expensive and ...September 26, 2022 | By Rene Langer. Propane tank weights empty and full start at 1.3 pounds empty and 2.3 pounds full up to 215 pounds empty and 555 pounds full for sizes …What is the weight of a full 500 gallon propane tank? When fully loaded, a 500 gallon propane tank should weigh around 2,876 pounds (1,305 kg). This figure covers the tank’s weight as well as the propane within. A 500 gallon propane tank weighs around 1,180 pounds when empty (535 kg). The weight of liquid propane per gallon is 4.24 pounds …An empty 1000-gallon propane tank weighs 1760 pounds. Full Weight: 5048 lbs. 1000-gallon propane tank can hold 800 gallons of propane (not 1000-gallon; due to the 80% max. capacity safety rule). At a 77°F temperature, 1 gallon of propane weighs 4.11 lbs. That means we are adding 800 × 4.11 = 3288 lbs of propane when we are filling the tank to ...Apr 30, 2023 · A gallon of propane weighs between 4.24 pounds and 6.09 pounds, depending on its temperature. The exact weight will vary based on the specific type of propane you’re using, but generally speaking, you can expect your gallon to weigh approximately 4.2 pounds when it’s at room temperature (70 degrees F). 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 ... ….

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.If you’re in the market for a 250 gallon propane tank, there are several factors to consider before making your purchase. Whether you need it for residential or commercial use, fin...Apr 10, 2023 · Propane has a gravity of around 0.51, which means that 1 gallon of propane weighs approximately 4.24 pounds. 1 gallon of propane equals 4.2 pounds. The tank is at 80% capacity. The Actual Propane Content in the tank should be only 80% – 90% of the total. Example: A 100 gallon tank contains 80 gallons of propane. 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 most common size for a residential propane tank is a 500-gallon tank. These tanks can power multiple appliances, and they’re also commonly used for heating. They work well for homes of 2,500 square feet or more. A 500-gallon tank is 9 feet 11 inches long and about 3 feet in diameter.A propane bottle holds 16.4 ounces of fuel for around $3.00. That is $24.00 per gallon=about TWICE as expensive as liquid Coleman fuel AND LIQID FUEL BURNA HOTTER THAN PROPANE. Propane is a LITTLE MORE CONVENIENT than liquid gas, but not so much so that it justifies the expense.For example, if your tank weighs 25 pounds, and a propane gallon weighs 4.125 each, all you need is the number of gallons in the tank to get the answer. Usually, a 30-pound propane tank holds 7.5 gallons. This means that you are getting almost 30 pounds of propane inside the tank. The actual figure is 30.9375, give or take a few ounces.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.What is the weight of a full 500 gallon propane tank? When fully loaded, a 500 gallon propane tank should weigh around 2,876 pounds (1,305 kg). This figure covers the tank’s weight as well as the propane within. A 500 gallon propane tank weighs around 1,180 pounds when empty (535 kg). The weight of liquid propane per gallon is 4.24 pounds … How much does gallon of propane weigh, An empty 1000-gallon propane tank weighs 1760 pounds. Full Weight: 5048 lbs. 1000-gallon propane tank can hold 800 gallons of propane (not 1000-gallon; due to the 80% max. capacity safety rule). At a 77°F temperature, 1 gallon of propane weighs 4.11 lbs. That means we are adding 800 × 4.11 = 3288 lbs of propane when we are filling the tank to ..., Apr 23, 2023 · A 20 pound propane tank weighs 16 to 18 pounds empty and 36 to 38 pounds when full. A 30 lb propane tank weighs 25 lb empty and 55 lb full. A 30 lb propane tank weighs 25 lb empty and 55 lb full. The tare weight of steel tanks varies by manufacturer. For example, we regularly find 20 pound propane tanks with TW stampings from 166 to 180 pounds. , We would like to show you a description here but the site won’t allow us., In terms of quantity, a 10 lb propane tank holds about 2.5 gallons of fuel. In litres, that is around 11.3 L. The most commonly found propane tank size is the 20 lb option, which carries double the fuel of a 10 lb tank but is significantly less portable. A 10 lb tank is certainly larger than a 5 lb or a 1 lb tank, but it is still small enough ..., Propane tanks come in a variety of sizes, ranging from 20-gallon to a 250-gallon tank or larger. There are a number of things to consider when choosing the propane tank size you ne..., 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., Empty 500-gallon propane weighs about 540 kg (1,190 pounds). And liquid propane weighs 1.92 kg or 4.24 lbs per gallon. And every 500-gallon propane tank you have can hold around 400 gallons of propane, weighing around 769 kg or 1,696 pounds. You can’t fill the tank with the propane fully because there is a rule that the tank can only hold 80% ..., 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., Drill, baby, drill. Alphabet’s X unit calls itself the “Moonshot Factory.” Its mission is to place risky bets with potentially big pay offs. Yet one of its wagers is decidedly more..., Apr 10, 2023 · Propane has a gravity of around 0.51, which means that 1 gallon of propane weighs approximately 4.24 pounds. 1 gallon of propane equals 4.2 pounds. The tank is at 80% capacity. The Actual Propane Content in the tank should be only 80% – 90% of the total. Example: A 100 gallon tank contains 80 gallons of propane. , The weight of empty propane tanks depends on the size of the tank. A typical grilling propane tank has 20 lbs of gas and is stored in a 17-lb tank. This means that the total weight is 37 lbs and the empty tank weighs 17 lbs. Here are three simple ways for you to measure how much gas you have left and to know if you have an empty tank:, 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., 60 lbs - Steel tank (holds up to an estimated 60 pounds of propane, or 14.2 gallons). Worthington. Propane weight is an estimated 4.2 pounds per gallon. Tank weighs an estimated 48.2 pounds when empty. Tank weights an estimated 108.2 pounds when full with propane., 1 gallon of propane weighs 4.2 pounds. A “full” 20 lb cylinder (a full propane tank) should have 4.7 gallon of propane in it. These “20 lb” tanks with corresponding water capacity are designed to take up to 20 pounds of propane. , 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 ..., Remember that 1 gallon of propane = 4.24 pounds, and that propane tanks should only be filled to 80% capacity. We can use the chart to determine that one 30 lb. cylinder can hold 7 gallons of propane, and two 30 lb. propane tanks means 14 gallons total. At 80% capacity, this comes to 11.2 gallons of propane. 14 x 0.8 = 11.2. 2., 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., 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., That number should be stamped on the tank’s collar. It may be written at T.W. Secondly, you should know the capacity of the propane tank in gallons. Thirdly, you need to know that one gallon of propane weighs 4.2 pounds. Multiply the number of gallons the tank can hold by 4.2. That will tell you the weight of the propane when the tank is full., There are 226.77 centimoles in 100 grams of Propane. About Propane. 493 kilograms [kg] of Propane fit into 1 cubic meter. 30.77698 pounds [lbs] of Propane fit into 1 cubic foot. 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 ..., Common Propane Tank Sizes For Your Home or Business · 20 LB Tank (AKA Barbecue Tank) · 33 LB Tank · 100 LB Tank · 60 Gallon Tank · 120 Gallon Tan..., The key figure when trying to work out how much weight you are putting into your propane tanks is 4.2. That is how much an individual gallon of propane weighs. While it is called a 5 gallon tank, the 20 pound propane tank usually holds between 4.5 to 4.7 gallons of fuel. This measurement is only about 80% of the tank’s capacity., 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 …, 40 lb propane tank. The 40 lb propane tank is most commonly used for large commercial grills, construction heaters, space heaters, propane hawk torches and many other propane applications. A 40 lb propane tank holds 9.4 gallons of propane and weighs 72 lbs full. Precision Filled with Delivery & Exchange: $64.00, 60 lbs - Steel tank (holds up to an estimated 60 pounds of propane, or 14.2 gallons). Worthington. Propane weight is an estimated 4.2 pounds per gallon. Tank weighs an estimated 48.2 pounds when empty. Tank weights an estimated 108.2 pounds when full with propane., A 500 gallon propane tank weighs around 1,180 pounds when empty (535 kg). The weight of liquid propane per gallon is 4.24 pounds (1.92 kg). What is the size of a 320 gallon propane tank? The 320, 325, and 330 gallon tanks are approximately 10′ long and 31″ wide. They have a capacity of 265 gallons of Propane at an 80% concentration., 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 ... , The Propane Weight Calculator is a tool used to estimate the weight of propane based on its volume. Propane is commonly used as a fuel for heating and cooking purposes. The formula used to calculate the propane weight is as follows: Propane Weight (PRW) = Volume * 4.24. In this formula, Volume represents the total volume of propane in gallons., 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 extremely ..., 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., Tanks are generally not filled beyond 80%, so maximum fill would be 672 pounds. Thus, full tank should be approximately 1000 pounds +/-. a 250 gal tank weighs approx. 485lbs and a 500 gal tank weighs approx. 950 lbs so a 350 gal should weigh approx. 625 lbs. one gal of propane = 4.26 lbs., Total Volume of Propane (gallons): About Propane Weight Calculator (Formula) The Propane Weight Calculator is a tool used to estimate the weight of propane based on its …, 100 gallons of propane weighs 424 pounds (4.24 lbs. per gallon) If there is a significant temperature drop (over 20°F) the gauge will indicate that there is less propane in the tank. Assuming the gauge dial sits between 35% and 40% following the temperature drop, there are still 424 pounds of propane in the tank. Although the propane volume ...