How many pounds of propane is in a gallon

Blurt. Answer (1 of 8): In a 30-pound tank there will be approximately 7.1 gallons of liquid propane. Liquid propane weighs around 4.2 pounds per gallon. Therefore dividing the 30 pounds of weight in the tank by 4.2 will give the result of how many gallons this is equivalent to. This weight can vary depending on the pressure that is enforced on ...

A 22kw generator can run for days on 200 gallons of propane. It is estimated that a 22kw generator will run for approximately 12 hours on 25 gallons of propane. It is essential to consider the size of the generator concerning the amount of propane that will be used. A smaller generator may not need as much propane as a …A 20-pounder is another name for a common BBQ tank. This is due to the tank’s capacity of 20 pounds of propane. This is around 4.7 gallons of propane. Propane weights 4.24 pounds per gallon, thus the 20-pound figure is accurate. So, how much does a full tank weigh? No, because the tank is heavy in its own right.Flame King's 29.3 Gal. Horizontal Propane Tank is manufactured to ASME specifications in facilities that have a quality management system certified to ISO 9002 requirements. ... The 29.3 Gal. Horizontal Propane Tank is a 29.3 Gallon ASME RV propane cylinder. by Flame King agent | Apr 3, 2024. ... 100 lbs. Horizontal and Vertical …Propane weighs 4.24 lbs per gallon.) This chart is a great guide to the different sizes and types of propane tanks available. Find the best propane tank for your use! You can view more details on each measurement unit: gallon [U.S.] of LPG or gigajoule The SI derived unit for energy is the joule. 1 joule is equal to 9.9247861544414E-9 gallon [U.S.] of LPG, or 1.0E-9 gigajoule. Note that rounding errors may occur, so always check the results. A 30 lb propane tank holds 7 gallons of propane when completely full. As a result, most 30 lb propane tanks weigh about 55 lb when filled up. These tanks fall in the middle of the pack in terms of size because they are larger than 20 lb tanks but smaller than 40 lb ones. In reality, a 30-lb propane tank is about 80% full, so the most you can ...

US gallons of propane to pounds; 7 US gallons of propane = 34.1 pounds: 8 US gallons of propane = 38.9 pounds: 9 US gallons of propane = 43.8 pounds: 10 US gallons of propane = 48.7 pounds: 11 US gallons of propane = 53.5 pounds: 12 US gallons of propane = 58.4 pounds: 13 US gallons of propane = 63.3 pounds: 14 US gallons of propane = 68.1 ... For example, if you are paying 12¢ per kWh, the electrical cost comparison figure to a gallon of propane will be $3.24 (.12 x 27 = 3.24). Electricity is cheaper than propane if propane is selling for $3.24 per gallon and propane is cheaper than electricity if it is selling for less than $3.24 per gallon.Jun 29, 2016 ... A gallon of propane weighs about 4.2 pounds, so Blue Rhino's 15 pounds is 3.6 gallons of fuel. That's a lot less than 4.7 gallons. Doing the ...A 250-gallon propane tank lasts for anywhere between 26 days to 7 months and 2 days. That’s quite a wide range. The longevity of a 250-gallon propane tank depends on use (how much propane per day you burn). This is indirectly connected with how big a house you want to heat with a 250-gallon propane tank. If you want to use a residential ...How much does a gallon of gasoline weigh? ... A US gallon of gasoline weighs around 6.2 pounds. This is based upon a gasoline density of 0.74 kg/l. The density of ...

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 ... Results 1 - 24 of 36 ... Propane Tanks ; Tank Capacity (lb.): 100 lb. Tank Capacity (lb.): 100 lb ; Tank Capacity (lb.): 20 lb. Tank Capacity (lb.): 20 lb ; Tank ...The estimate given by the manufacturer for the gasoline run time can be used for propane also because it is just that; an estimate or guess. Propane only has about 10% less Btu content than gasoline, gallon-to-gallon, so the manufactures gasoline estimate will be very close for propane. However, it is not uncommon that one may use less propane ...This chocolate cake recipe is delicious. We love a buttery and dense pound cake, but we thought a chocolate version would be even better so we folded lots of dark cocoa into the ba...How Much Propane Can You Transport Without Placards. According to the DOT regulations, you can transport up to 1,000 pounds (approximately 238.7 gallons) of propane without needing placards, as long as it is for personal use and not for resale or commercial use. This limit is referred to as the “materials of trade” exemption (49 CFR …

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Formula for Calculating Annual Tankless Water Heater Propane Use. The formula we are going to use to work out the yearly propane consumption is: (Days in the year) X (Av BTU use) ÷ (Energy Efficiency Rating) ÷ (BTU per Gallon) = Average Annual Propane Use (in Gallons) 365 X 41045 ÷ 0.82 ÷ 91,502 = 199.7 Gallons of propane …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 common 20 lb or 40 lb tanks. The exact amount of fuel inside of a propane tank will vary slightly depending on how it ...Apr 4, 2024 · Using the Propane Gallons To Pounds Calculator is simple and straightforward: Input Propane Volume: Enter the volume of propane in gallons that you wish to convert. Click Convert: Click the “Convert” button to initiate the conversion process. Review Result: The calculator will instantly display the equivalent weight of propane in pounds. Putting British pounds on the blockchain will provide a "faster, less costly option for asset transfers," said Tether about its upcoming pegged token. Jump to Tether plans to add a...There are many different sizes of propane tanks, but the tanks commonly used for backyard barbecues weigh 37 to 38 pounds when full. Manufacturers stamp the weight of the empty tan...

Common sizes for residential tanks include 5 gallons (often referred to as 20-pound tanks because of the weight of the propane they hold), 7.5 gallons, 10 gallons, and so on. 3. Multiply the Tank’s Capacity by the Weight of Propane per Gallon: Propane generally weighs around 4.2 lbs per gallon. 4.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. The propane weight is determined by multiplying the volume by a conversion factor of 4.24. Propane Percentage Tank Chart 57 Gal. (200 Lb.) Tank 120 Gal. (420 Lb.) Tank 325 Gal. Tank 500 Gal. Tank 1000 Gal. Tank 42" x 24" 54" x 30" 9'7" x 30" 10' x 37.5" 16' x 41" 5% 3 Gal. 6 Gal. 16 Gal. 25 Gal. 50 Gal. 10% 6 12 33 50 100 15% 9 18 49 75 150 20% 11 24 65 100 200 25% 14 30 81 125 250 30% 17 36 98 150 300 35% 20 42 114 175 350 40% 23 48 ... 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. The weight of a gallon of propane is 4.11 pounds. That is, if you measure it at 77 degrees Fahrenheit. It’s vital to remember that LPG’s density of 4.11 lb/gallon only applies at room temperature (77F). Gases (even liquified gasses like liquid propane) expand at higher temperatures and contract at lower temperatures, as we all know. The weight of a gallon of propane is 4.11 pounds. That is, if you measure it at 77 degrees Fahrenheit. It’s vital to remember that LPG’s density of 4.11 lb/gallon only applies at room temperature (77F). Gases (even liquified gasses like liquid propane) expand at higher temperatures and contract at lower temperatures, as we all know.Jun 28, 2018 ... A full 20-pound (9-kilogram) propane tank holds 4.7 gallons (17.8 liters) of propane. If your grill has an output of 32,000 BTUH, you would get ...What Does Propane Weigh Per Gallon? The figure we just gave you will answer this question. You are looking at 4.2 pounds per gallon of propane. This number is essential to know as you will not be carrying …

If you want to convert gallons to pounds for different liquids, in an easy and quick way, check out our Gallons to Pounds Calculator. ... Propane (liquid) 0.493 g/ml ...

Propane used per hour (gallons) = (watts/3000) * 0.65. 0.65 gallons of propane weighs approximately 2.73 pounds. So a 20-pound propane cylinder will contain 20/2.73 x 0.65 = 4.76 gallons. You could run a 3000-watt load off your generator for around 7 hours. Bear in mind that these calculations are approximate and don’t take into … Blurt. Answer (1 of 8): In a 30-pound tank there will be approximately 7.1 gallons of liquid propane. Liquid propane weighs around 4.2 pounds per gallon. Therefore dividing the 30 pounds of weight in the tank by 4.2 will give the result of how many gallons this is equivalent to. This weight can vary depending on the pressure that is enforced on ... Propane is commonly measured in pounds, and the conversion is based on the density of the gas. For instance, a 20-pound propane tank holds approximately 4.7 gallons, a 30-pound tank holds around 7 gallons, and a 40-pound tank accommodates about 9.4 gallons.A 500 lb propane tank can hold around 120 gallons of propane fuel, although the most common tank size that you will find is labelled as a 420 lb tank and holds about 85 gallons. In reality, a 500 lb propane tank is about 80% full, so the most you can put in is 100 gallons. Tanks at this size tend to be measured in terms of the number of gallons ... If you multiply the maximum propane capacity in pounds by 0.236 gallons, you will be able to estimate how many gallons are in a propane tank. Here is the formula to use: 0.236 X capacity of propane tank in pounds = capacity of propane tank in gallons. In the case of a 250 pound propane tank, all you need to do is multiply 0.236 by 250. 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.About Propane. 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 ...

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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 atmospheric pressure .How Many BTUs Are There in A Gallon of Propane? Each gallon of propane has about 91,452 BTUs (British Thermal Unit). This means burning one gallon of propane will release 91,452 BTUs of energy content for cooking, heating, powering appliances, etc. Propane gas. You can also convert any amount of gas into BTU using a simple mathematical formula. Well, one gallon of propane weighs 4.2 pounds. “Full” 20 lb propane cylinders should have 4.7 gallons of propane in them. The most common way to measure a full propane tank is by gallons. It can also be measured by pounds (one gallon = 4.2 lbs). When measured in gallons, a meter at the pump is used to determine the amount of propane that ... 14 gallons to pounds = 116.76: 50 gallons to pounds = 417: 150 gallons to pounds = 1251: 15 gallons to pounds = 125.1: 16 gallons to pounds = 133.44: 2.5 gallons to pounds = 20.85: 17 gallons to pounds = 141.78: 30 gallons to pounds = 250.2: 18 gallons to pounds = 150.12: 5.28 gallons to pounds = 44.03: 2.6 gallons to pounds = …If you’re in the market for a propane tank, you may be considering a 500-gallon option. A 500-gallon propane tank is a popular choice for homeowners who rely on propane for heating...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 common 20 lb or 40 lb tanks. The exact amount of fuel inside of a propane tank will vary slightly depending on how it ...Typically the water capacity (WC) and the tank’s weight while empty (TW) will be visible. If you are using a 100 lb propane tank, it will most likely be able to hold a capacity of around 118 lbs of propane. This means if you weigh your tank and it is 155 lbs, it means that you have about half a tank of propane left.Now if you’re wondering how many btus in a half gallon of propane, it’s important to note that there are approximately 42,000 btus in a gallon of propane. So half a gallon would have approximately 21,000 btus. Propane is still a great option for powering appliances efficiently and sustainably.Mar 8, 2024 · A 20-gallon propane tank is much larger than a 20-pound propane tank. The 20-gallon tank weighs 50 pounds and measures 4 feet long compared to just 1.5 feet for the 20-pound tank. Knowing the empty weight and dimensions and the gallons per tank is important to consider before ordering, refilling, or transporting large propane tanks. Common sizes for residential tanks include 5 gallons (often referred to as 20-pound tanks because of the weight of the propane they hold), 7.5 gallons, 10 gallons, and so on. 3. Multiply the Tank’s Capacity by the Weight of Propane per Gallon: Propane generally weighs around 4.2 lbs per gallon. 4.A 20 pound propane tank is designed to hold about 20 pounds or 4.7 gallons of propane. This accounts for the fact that the tank can only be filled to 80%. In other words, when you fill a 20 pound propane tank to 80%, it holds about 20 pounds (4.7 gallons) of propane. The two questions about propane that I hear again and again are: ….

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. Thus, a filled propane gallon will weigh around 115 pounds.A 30,000 BTU heater requires one gallon of propane for every three hours. Therefore, if you continuously run your heater, you’ll consume 1/3 gallon of propane per hour. If your heater had 33,000 BTUs, you’d use approximately one gallon of propane per hour. A 100lb propane tank would give you roughly 72 hours of burn time.A 120-gallon propane tank is also commonly referred to as a 420 lb propane tank. 120-gallon propane tanks hold 96 gallons of propane when full and it's ideal for 1-2 residential appliances. ... The 120-gallon tank weighs around 420 pounds when empty. However, when it is full, it is approximately 815 pounds. ...Indices Commodities Currencies StocksThis 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. Thus, a filled propane gallon will weigh around 115 pounds.Now if you’re wondering how many btus in a half gallon of propane, it’s important to note that there are approximately 42,000 btus in a gallon of propane. So half a gallon would have approximately 21,000 btus. Propane is still a great option for powering appliances efficiently and sustainably.This is due to the tank’s capacity of 20 pounds of propane. This is around 4.7 gallons of propane. Propane weights 4.24 pounds per gallon, thus the 20-pound figure is accurate. ... A 500-gallon tank is the ideal choice for a home that is at least 2,500 square feet and uses propane for many appliances. For 500-gallon tanks, you can select ...1 US gallon is equal to 0.13368 cubic feet, and 1 cubic foot is equal to 7.48 US gallons. To convert cubic feet to UK gallons, multiply the number of cubic feet by 6.229: number of UK gallons = number of cubic feet × 6.229. 1 UK gallon is equal to 0.16054 cubic feet, and 1 cubic foot is equal to 6.229 UK gallons. How many pounds of propane is in a gallon, Otherwise, it’s a serious safety issue. That means the 30-lb tank you just filled up is only filled to 80% or 24 lbs and that means you are getting 5.712 gallons of propane instead of 7.13 gallons. Here’s The Math. 1 gallon of propane weighs 4.2 lbs; 1 lb of propane= 0.238 gallons; 80% of 30 lbs= 24 lbs, There are many different sizes of propane tanks, but the tanks commonly used for backyard barbecues weigh 37 to 38 pounds when full. Manufacturers stamp the weight of the empty tan..., Oct 1, 2020 · The average 100-pound propane tank can hold 24 gallons of propane at maximum capacity. Each gallon of propane in a 100-pound tank weighs 4 pounds on average. It is dangerous to put more than 23-25 gallons of useable propane in a 100-pound propane tank because the pressure can fluctuate and cause an explosion. , The Simple Answer. To put it simply, 0.236 gallons = 1 pound of propane. This is true when the propane tank is at a temperature of 60 degrees Fahrenheit. So, 0.236 gallons x 100 pounds = 23.6 gallons. A 100 lb. tank holds 23.6 gallons and weighs 170 lbs. when full. Other Factors., Oct 1, 2020 · The average 100-pound propane tank can hold 24 gallons of propane at maximum capacity. Each gallon of propane in a 100-pound tank weighs 4 pounds on average. It is dangerous to put more than 23-25 gallons of useable propane in a 100-pound propane tank because the pressure can fluctuate and cause an explosion. , How many pounds in a gallon? 1 gallon (gal) is equal to 8.3454 pounds (lbs) 1 pound (lbs) is equal to 0.1198264912406835 gallons (gal) Gallons to pounds Formula: It becomes easier, you can put in your value of gallons into this formula for gallon to lbs to calculate value for you accurately. The formula for gallon to lbs is: pounds = gallons × ..., 3 days ago · 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. , 3 days ago · 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. , 3 days ago · 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. , If you want to convert gallons to pounds for different liquids, in an easy and quick way, check out our Gallons to Pounds Calculator. If you want to convert gallons to pounds for different liquids, in an easy and quick way, check out our Gallons to Pounds Calculator. ... Propane (liquid) 0.493 g/ml: 4.114: Wine: 0.99 g/ml: 8.262:, The average 100-pound propane tank can hold 24 gallons of propane at maximum capacity. Each gallon of propane in a 100-pound tank weighs 4 pounds on average. It is dangerous to put more than 23-25 gallons of useable propane in a 100-pound propane tank because the pressure can fluctuate and cause an explosion., May 26, 2023 ... 1 gallon of propane weighs about 4.2 lbs., so to determine how many gallons are left in the tank, divide the result of the above calculation by ..., A 120-gallon propane tank is also commonly referred to as a 420 lb propane tank. 120-gallon propane tanks hold 96 gallons of propane when full and it's ideal for 1-2 residential appliances. ... The 120-gallon tank weighs around 420 pounds when empty. However, when it is full, it is approximately 815 pounds. ..., Residential propane tanks typically range from 20-pound portable tanks to 1,000-gallon tanks. 20-pound tanks: These are ideal for small appliances like grills, portable heaters, and outdoor fireplaces. They aren’t suitable for powering a whole house. 100-gallon to 500-gallon tanks: These are the most common sizes for residential use., 1 Gallon of Propane = 35.97 cubic feet. 1 Pound of Propane = 21,810 Btu’s.  “How long will my portable tank of propane last?†This ..., 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. , LIQUEFIED GAS CONVERSION CHART Product Name Cubic Feet I Pound Pounds I Gallon Cubic Feet I Gallon Acetylene UNINA: 1001 14.70 4.90 72.03 CAS:514-86-2 Air UN/NA: 1002 13.30 7.29 96.96 CAS:n/a Ammonia, 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)., A 120-gallon propane tank is also commonly referred to as a 420 lb propane tank. 120-gallon propane tanks hold 96 gallons of propane when full and it's ideal for 1-2 residential appliances. ... The 120-gallon tank weighs around 420 pounds when empty. However, when it is full, it is approximately 815 pounds. ..., Generally, every 5 pounds holds 1 gallon, but the math is not exact. Gallons Per Propane Tank. It is important to know how many gallons come in a propane tank, even if measured in pounds, because many filling stations …, 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. Table of contents. Understanding Propane., So a gallon of propane is the same volume as a gallon of water. 4.24 pounds per gallon as per gas facts. .914994. 0.91 therms. According to the Wikipedia entry for propane, liquid propane has ..., Results 1 - 24 of 36 ... Propane Tanks ; Tank Capacity (lb.): 100 lb. Tank Capacity (lb.): 100 lb ; Tank Capacity (lb.): 20 lb. Tank Capacity (lb.): 20 lb ; Tank ..., 33.5 lbs (7.5 Gallon) Manchester Propane Forklift Tank without Fill Valve (usually arrives within 1 week) MSRP: $310.31 Was: $270.70 Now ... 33.5 lbs Propane Forklift Cylinder Sku 5570TC . Equipped with Quick Coupler and Gauge but without a Fill Valve. Holds 7.5 Gallon of Propane., How to convert 1 US gallon of propane to pounds. To convert a quantity of a substance or material expressed as a volume to mass we simply use the formula: mass = density × volume. We want to calculate the mass in pounds from a volume in US gallons. We have the density table at the bottom of this web page that shows us the densities values in ..., If you’re in the market for a 500 gallon propane tank, there are several factors you should consider before making your purchase. Investing in a propane tank is a significant decis..., 2. If you know the quantity in pounds, multiply by the number in Column A 3. If you know the quantity in gallons, multiply by the number in Column B. 4. The result is the quantity of compressed gas in cubic feet. CHEMICAL GAS NAME FORMULA COLUMN A COLUMN B Acetylene (Ethyne) C2H2 13.7 43.7 Air 0.8N2-0.2O2 12.2 88.9 Allene C3H4 8.8 _____, 14 gallons to pounds = 116.76: 50 gallons to pounds = 417: 150 gallons to pounds = 1251: 15 gallons to pounds = 125.1: 16 gallons to pounds = 133.44: 2.5 gallons to pounds = 20.85: 17 gallons to pounds = 141.78: 30 gallons to pounds = 250.2: 18 gallons to pounds = 150.12: 5.28 gallons to pounds = 44.03: 2.6 gallons to pounds = 21.684: 6 gallons ..., 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. After inserting the value of G and calculating the result, check your answer with the calculator above., If you’re in the market for a propane tank, you may be considering a 500-gallon option. A 500-gallon propane tank is a popular choice for homeowners who rely on propane for heating..., Jul 22, 2022 · 20 pounds = 4.72 gallons; 30 pounds = 7.08 gallons; 100 pounds = 23.6 gallons; These conversions are essential to determining how long your propane heater will run when your propane is in a bottle, not in a tank that is filled by the gallon rather than the pound. Tank Tip: If you have a propane tank, a pig as it is often called, that runs your ... , 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 common 20 lb or 40 lb tanks. The exact amount of fuel inside of a propane tank will vary slightly depending on how it ..., LIQUEFIED GAS CONVERSION CHART Product Name Cubic Feet / Pound Pounds / Gallon Cubic Feet / Gallon Acetylene UN/NA: 1001 CAS: 514-86-2 14.70 4.90 72.03