It weighs 1,333 pounds to fill a 250 gallon propane tank to capacity. The 200 gallon of propane adds 850 pounds to the 250 gallon propane tank’s total weight. Total BTUs: 18,300,000 By multiplying the maximum amount of propane (200 gallon) by the 91,500 BTU per gallon propane energy content, you may compute the BTU content of a 250 …A 100-pound propane tank holds 23.6 pounds of propane when it’s full. If your fireplace is 20,000 BTU and you use it 12 hours a day, the 100-gallon propane tank will last you around 9 days. With continuous operation around the clock, it will last about 4.5 days, give or take. Knowing how long a 100-pound propane tank lasts when used for ...How much does a gallon of propane weigh in pounds (lb)? Propane density depends on temperature: at 90°F, a gallon of propane weighs 4.05 lb, and at 60°F a gallon of propane weighs 4.20 lb. You can consult how much propane weighs here. In most cases, we use a median propane density (4.11 lb/gallon) to calculate how many gallons does …Figuring out how many gallons a propane tank can hold can be a bit confusing. The short answer to the question is that f or a 15 pound propane tank specifically, the tank can hold 3.53 gallons of propane or 13.4 liters of propane. Just so you know, 15 pound propane tanks are smaller than the standard size. The standard size propane tank is 20 ...To put it simply, on average you have 0.236 gallons = 1 pound of propane. So, how many gallons (gal) are in a 100 lb propane tank? A 100 lb propane tank has the capacity to hold about 23.6 gallons of propane, and it weighs 170 lb when full. This information is useful whenever you are selecting and maintaining your propane tank.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.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 …Propane weighs 4.4 lbs per gallon, so 20 lbs of propane 4.54 gallons. If you used 420 cubic feet of natural gas how many gallons of propane would that make? 420 (feet^3) = 3 141.81818 US gallons1,000-Gallon Tank. Height 4'-4" | Length 15'-11" | Diameter 41" | LPG Capacity 3028 litres*. Ideal Use: A 1,000-gallon tank is usually for commercial or agricultural operations with high volume usage and very high BTU loads. Distance/Position: Must be installed at least 10 feet (3 metres) from any building and at least 10 feet from any property ...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.How to calculate the conversion of gallons of propane or natural gas to pounds or BTUs or to volume of gas. One gallon of propane contains about 91,500 BTUs and weighs about 4.20 pounds. One pound of propane contains about 21,500 BTUs. Calculation details are below. One gallon of LP-gas (propane or C 3 H 8) weighs about 4.20 lbs (at 60°F ...mass = d × v × vcfmcf, where mcf is the conversion factor to convert from pound to kilogram (table near the end of this page) and vcf is the conversion factor to convert from US gallon to cubic meters. So, plugging these values in the formula above, we get: mass = 583.07 × 8 × 0.003785410.453592. mass = 17.65730.453592. 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. This DOT Portable ACME/OPD Manchester 5 lb propane tank has a 1.2 gallon capacity. ... many items we sell are weight-based. The weight of each item can be found ...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. You may get a pound or 2 less, depending on the temperature of the propane tank and surrounding air when the ...With 4.2 pounds in every gallon, you'll always have a clear understanding of just how much propane you have on hand. What is the capacity of a 500 gallon propane tank? A standard 500 gallon tank holds 400 gallons of propane and is generally installed for standard central home heat and small commercial applications.One gallon of propane equals 4.24 pounds. To calculate the number of pounds in your tank, multiply the number of gallons of propane by 4.24. How Many Gallons of Propane in a Tank? Here’s the full volume breakdown (gallons and liters), plus the empty and full weight of 1, 5, 20, 30, and 40 lb tanks. Showing 1 to 5 of 5 entries.Specific Weight Calculator. Weight Volume Percent Calculator. Need help? Ask our AI assistant. Propane Weight Formula. The following two example problems outline the steps and information needed to calculate the Propane Weight. PRW = V * 4.24 PRW = V ∗ 4.24. Variables: PRW is the Propane Weight (lbs) V is the total volume of propane …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.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.At 60°F, the density of propane is high (4.20 lb/gallon). When filling gallons of propane into a 40 lb propane tank, we usually take the propane density at room temperature (77°F). The key metric we need to calculate how many gallons of propane are in a 40-pound propane tank is that the median density of propane is 4.11 lb per gallon.There is .71 liters in one pound of propane based on 3.8 liters a gallon us in 20 pounds of propane there is about 4.1 gallons us. .0235849056 (or so) lbs / 4.24 (lbs per gallon) There is 4.24 ...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 ...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.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...The water capacity of a propane bottle is the amount of water it can contain in pounds. The letters “WC” followed by a number, such as “47.6,” indicate that the bottle can hold 47.6 pounds of water. The tare weight (empty weight) is marked by a “TW” and a number, such as “18,” which means the bottle weighs 18 pounds when empty.Oct 19, 2023 · 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. 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. Larger, 500-propane tanks can hold as much as 125 gallons of propane. Propane is a useful resource, so it …Get free real-time information on EUR/GBP quotes including EUR/GBP live chart. Indices Commodities Currencies StocksStep 4: If your propane tank is a cylinder, you will need to measure it in pounds. 1 gallon of propane = 4.24 lbs. 1 watt/hour = 1/4575 gallons of propane = 4.24 * 1/4575 lbs. 1 watt/hour = 4.24 ÷ 4575 lbs. Number of lbs to run generator for 1 hour = number of watts x 4.24 ÷ 4575.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.Figuring out how many gallons a propane tank can hold can be a bit confusing. The short answer to the question is that f or a 15 pound propane tank specifically, the tank can hold 3.53 gallons of propane or 13.4 liters of propane. Just so you know, 15 pound propane tanks are smaller than the standard size. The standard size propane tank is 20 ...How to calculate the conversion of gallons of propane or natural gas to pounds or BTUs or to volume of gas. One gallon of propane contains about 91,500 BTUs and weighs about 4.20 pounds. One pound of propane contains about 21,500 BTUs. Calculation details are below. One gallon of LP-gas (propane or C 3 H 8) weighs about 4.20 lbs (at 60°F ...The diameter of a 250 gallon propane cylinder is 30 inches and it is 7 feet and 8 inches long (92 inches) (width and height are 2 feet and 6 inches). On average, its total weight when empty is 483 pounds. The full in-depth article about the 250-gallon propane tank size may be found here. It weighs 1,333 pounds to fill a 250 gallon propane tank ...Portable 20 lb tanks of propane last roughly 10 hours. In case you’re just hoping to fire up the grill, the small tanks last for several hours of cooking. [1] The average propane tank for homes lasts five months. The most common tank size for a 2,500 sq ft. house or smaller is 500 gallons.A 100 lb propane tank can hold 23.6 gallons of propane. As one gallon of propane weighs 4.2 pounds, the calculation is simple. However, there are other attributes that can determine the change in overall quantity. The total capacity of a propane tank can change with the surrounding temperature.How many tonnes of propane in 1 US gallon? Use our calculator to find the equivalent in tonnes of 1 US gallon of propane or any of many other substances. ... for example, mass in pounds and volume in gallons, we should do something to correct our result. To transform the mass from pounds to kilograms we should multiply the mass in pounds by … A 100 lb propane tank will contain 23 gallons of propane. Thus, when it is full, a 100lb propane tank will contain 493kg/m3 x 23 gallons totaling 11,339kg/m3, taking its weight to around 180 pounds when complete. This, in fact, amounts to 78% – 80% in cubic measure of the tank, so the molecules of propane have enough room to roam. 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 ...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 ...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.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.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 affect propane performance or use. This includes proper storage and regular …Tank sizes range from portable 20-lb. containers to tanks that can hold over 2,000 gallons. The size of your propane tank will depend on the size of your home as well as the number and size of appliances using propane. Your geographical location and local climate can also play a role in choosing your propane tank size.A 100 lb propane tank can hold 23.6 gallons of propane. As one gallon of propane weighs 4.2 pounds, the calculation is simple. However, there are other attributes that can determine the change in overall quantity. The total capacity of a propane tank can change with the surrounding temperature.To put it simply, on average you have 0.236 gallons = 1 pound of propane. So, how many gallons (gal) are in a 100 lb propane tank? A 100 lb propane tank has the capacity to hold about 23.6 gallons of propane, and it weighs 170 lb when full. This information is useful whenever you are selecting and maintaining your propane tank.With Westmor’s Proline ™ LT Transport, you’ll increase gallons hauled without going over weight restrictions. We’ve lowered the trailer weights to give you the ability to haul more fuel. ... Average Trailer Weight (lbs) 21,900: 20,805: Remaining Payload Capacity (gal) 9,666: 9,927: Average Annual Loads: 350: 350: TOTAL Annual Gallons ...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.Tank sizes range from portable 20-lb. containers to tanks that can hold over 2,000 gallons. The size of your propane tank will depend on the size of your home as well as the number and size of appliances using propane. Your geographical location and local climate can also play a role in choosing your propane tank size.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 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 × ... The exact quantity of propane contained within a tank of this size can vary slightly. 40 lb propane tanks hold between 9 and 10 gallons of propane, but the average is between 9.2 – 9.4 gallons. This equates to around 41 – 43 liters of propane fuel inside the tank when it is full. 9 – 10 gallons is a pretty reasonable quantity of fuel.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 … 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. The most common residential propane tank size is the 20-pound (5-gallon) tank. When filled, it can weigh approximately 32 to 36 pounds. These tanks are typically used for grilling, outdoor heaters, and other small appliances. Another popular size is the 33-pound (7.9-gallon) forklift propane tank. When filled, these tanks weigh …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 ...Get free real-time information on EUR/GBP quotes including EUR/GBP live chart. Indices Commodities Currencies StocksTo determine the weight of propane per gallon, you can use the fact that one gallon of propane weighs approximately 4.24 pounds. So, if your tank has a capacity of 5 gallons, you can calculate its propane weight using the formula: Propane weight (in pounds) = 4.24 * gallons in the tank.A standard-sized propane tank is 20 lbs (9.07 kg) when filled fully. Put your tank on the scale for total weight, and then subtract your empty weight to determine how much propane is left in your tank.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. If you need more propane than 800 gallons, you will have to ...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.Gas prices are dropping back under $4 a gallon in thousands of locations around the U.S., as oil prices and consumer demand both fall. By clicking "TRY IT", I agree to receive news...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...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 × ...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 a full tank of propane at any time.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 ...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 100-pound propane tank holds 23.6 pounds of propane when it’s full. If your fireplace is 20,000 BTU and you use it 12 hours a day, the 100-gallon propane tank will last you around 9 days. With continuous operation around the clock, it will last about 4.5 days, give or take. Knowing how long a 100-pound propane tank lasts when used for ...The average gallon of propane weighs roughly 4.125 pounds and that times 7 equals almost 29 pounds. While the tank may weigh over 50 pounds when full, you are only paying for the weight of the propane which is almost 30 pounds. You are getting almost 30 pounds of propane inside a 30-pound propane tank but that does not mean the tank is full.Step 4: If your propane tank is a cylinder, you will need to measure it in pounds. 1 gallon of propane = 4.24 lbs. 1 watt/hour = 1/4575 gallons of propane = 4.24 * 1/4575 lbs. 1 watt/hour = 4.24 ÷ 4575 lbs. Number of lbs to run generator for 1 hour = number of watts x 4.24 ÷ 4575.Propane Volume (V) is the volume of propane gas, typically measured in liters (L) or gallons (gal). Propane Mass (m) is the mass of propane gas in the tank, typically measured in kilograms (kg) or pounds (lb). ... or pounds per cubic foot (lb/ft³). It’s important to note that the density of propane can vary with temperature and pressure ...The average gallon of propane weighs roughly 4.125 pounds and that times 7 equals almost 29 pounds. While the tank may weigh over 50 pounds when full, you are only paying for the weight of the propane which is almost 30 pounds. You are getting almost 30 pounds of propane inside a 30-pound propane tank but that does not mean the tank is full.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 ...pounds = gallons × 8.3454 × density. Thus, the weight in pounds is equal to the volume in gallons multiplied by 8.3454 times the density (in g/mL) of the ingredient, substance, or material. For example, here's how to convert 5 gallons to pounds for an ingredient with a density of 0.7 g/mL. pounds = 5 gal × 8.3454 × 0.7 g/mL = 29.2089 lb.The average gallon of propane weighs roughly 4.125 pounds and that times 7 equals almost 29 pounds. While the tank may weigh over 50 pounds when full, you are only paying for the weight of the propane which is almost 30 pounds. You are getting almost 30 pounds of propane inside a 30-pound propane tank but that does not mean the tank is full.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 a full tank of propane at any time.Jan 29, 2017 ... At a unit weight of 4.11 pounds per gallon, a 30 gallon tank should take about 7.3 gallons. So your tare weight plus 30 pounds should be 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, …. Hinges for coleman cooler
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 ...With 4.2 pounds in every gallon, you'll always have a clear understanding of just how much propane you have on hand. What is the capacity of a 500 gallon propane tank? A standard 500 gallon tank holds 400 gallons of propane and is generally installed for standard central home heat and small commercial applications. A gallon of milk weighs around 8.64lb. and a gallon of gasoline weighs around 6.2 lb. 1 2. How many pounds are in a gallon? A US gallon of water weighs around 8.33 pounds when at room temperature. However, the weight of a gallon of different substances, such as gasoline or honey, will be different because of the density of the substance. How many tonnes of propane in 1 US gallon? Use our calculator to find the equivalent in tonnes of 1 US gallon of propane or any of many other substances. ... for example, mass in pounds and volume in gallons, we should do something to correct our result. To transform the mass from pounds to kilograms we should multiply the mass in pounds by …When I buy "20-pound bond paper," what part of it weighs 20 pounds? A ream certainly doesn't weigh 20 pounds. Advertisement The way we talk about paper in the United States is amaz...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.Larger propane tanks above the ASME are underground tanks. 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).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... The exact quantity of propane contained within a tank of this size can vary slightly. 40 lb propane tanks hold between 9 and 10 gallons of propane, but the average is between 9.2 – 9.4 gallons. This equates to around 41 – 43 liters of propane fuel inside the tank when it is full. 9 – 10 gallons is a pretty reasonable quantity of fuel. 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.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 (1.92 kg). How long would 500 gallons of propane keep you ...Propane Volume (V) is the volume of propane gas, typically measured in liters (L) or gallons (gal). Propane Mass (m) is the mass of propane gas in the tank, typically measured in kilograms (kg) or pounds (lb). ... or pounds per cubic foot (lb/ft³). It’s important to note that the density of propane can vary with temperature and pressure ...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 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 ...With this chart, you can get quite a good idea of how many gallons per hour will a propane generator use. Let’s look at a 22kW generator as an example. You can see that the 22kW propane generator will consume: 1.04 gallons of propane per hour at 25% load. 2.21 gallons of propane per hour at 50% load. 2.93 gallons of propane per hour at 75% load..