propane gallons to pounds calculatorpropane gallons to pounds calculator

3. tanks and these are usually about 29 inches tall. National Institute of Standards & Technology, Culinary Measurement Tips, https://www.nist.gov/pml/owm/culinary-measurement-tips, CK-12 Foundation, Introductory Chemistry (CK-12) - 12.6: Mass-Volume Stoichiometry, https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/12%3A_Stoichiometry/12.06%3A_Mass-Volume_Stoichiometry. Russian Other Factors In this case, we need to account for the density of the substance whenever we do a conversion. Therefore, to convert between pounds and gallons of an ingredient or substance, we must either multiply or divide by its density, depending on which direction we are performing the conversion. Look at the label to verify. tanks these are small refillable tanks that are great for an RV campsite grill. when full. To Use This Worksheet: Find the name of the compressed gas you want to convert. This page was generated at 01:10 AM. The Greenhouse Gas Equivalencies Calculator uses the AVoided Emissions and geneRation Tool . To transform the mass from pounds to kilograms we should multiply the mass in pounds by 0.45359237. 48.65955 pounds precisely. We will call 0.45359237 the mass conversion factor - mcf, mass in kilograms = mass in pounds mcf or, To transform the volume from gallons to cubic meters we should multiply the volume in cubic meters by 0.003785411784. In the avoirdupois or apothecaries' systems, one pound is equal to 7,000 grains.[4]. The first tank will hold 115 gallons of lp gas, the second tank will hold 250 gallons of LP Gas. A pound is frequently referred to as a unit of weight. If you can not find it you should be able to look it up in the user manual or the manufacturers website. Travel trailers usually have 30 lb. Last accessed: 29 August 2020 (nist.gov). Since pounds are a unit of mass and gallons are a unit of volume, which are different physical quantities, we need to know one more physical quantity of the ingredient or substance to convert between them. Due to changes in this version of the forum software, you are now required to register before you may post. Take a look at the collar of the tank. We will call 0.003785411784 the volume conversion factor - vcf, volume in cubic meters = volume in gallons vcf or, Now, dividing the equation (1) by the equation (2), we get, mkgvm = mlbvgal mcfvcf, but mkgvm is, by definition, the density (d) in kg/m, so. Lets say your propane tank has 47.6 lbs stamped on the collar next to WC.47.6 x .42 = 19.99 so you have a 20 lb. ADD THIS CONVERTER ON YOUR WEBSITE: Add Gallons to Pounds converter to your website to use this unit converter directly. Or just enter it in the calculator. To put it simply, 0.236 gallons = 1 pound of propane. How much propane is really in my DOT propane tank when it is filled? ADD THIS CONVERTER ON YOUR WEBSITE: Add Pounds to Gallons converter to your website to use this unit converter directly. This is one of them. National Institute of Standards and Technology; U.S. Department of Commerce; 100 Bureau Drive; Gaithersburg, MD 20899 USA. For example, an object with a mass of 1 pound weighs 1 pound on Earth, but only weighs one-sixth of that on the moon, yet still has the same mass. The answer is 0.95522806559323. coal tons. mass = 2.207160.453592 mass = 4.86595 pounds (answer) There are other ways to convert from volume to mass. Feel free to contact us at your convenience. In fact, propane tanks are equipped with an OPD (Overfill Prevention Device) that prevents the tank from being more than 80% filled. 1 watt/hour = 1/4575 gallons of propane = 4.24 * 1/4575 lbs. Some values are approximate. tank and it runs for about 10.8 hours on high. #1 convert liquid propane gas to pounds 05-24-2011, 03:42 AM I need to purchase two LP tanks. It helps ensure proper handling, compliance with safety regulations, and accurate measurement of the propane being used. This page was generated at 01:10 AM. Second, these appliances do not run all the time. National Bureau of Standards, Refinement of Values for the Yard and Pound, Encyclopdia Britannica, Avoirdupois weight, https://www.britannica.com/science/avoirdupois-weight, National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf. 1 joule is equal to 9.4804342797335E-9 therm [U.S.], or 9.9247861544414E-9 gallon [U.S.] of LPG. To convert a quantity of a substance or material expressed as a volume to mass we simply use the formula: mass = density volume. The gallon is a US customary unit of volume. Note that in order for this to work, the density must be in pounds per gallon (lb/gal). fuel oil #2 gallon. tanks are about 24 inches tall and the 20 lb. Coal545.67 million short tons10.55 quadrillion Btu Sample Btu conversion factors The Btu conversion factors above are approximations. Welcome to the OnlineConversion.com forums. The calculator below can be used to estimate the density and specific weight of propane at given temperature and atmospheric pressure. The formula used to calculate the propane weight is as follows: In this formula, Volume represents the total volume of propane in gallons. https://www.convertunits.com/contact/remove-some-ads.php. The two questions about propane that I hear again and again are: So I made one. For example, 1 pound can be written as 1 lb, 1 lbm, or 1 #, and 2 pounds can be written as 2 lbs. It's important to understand that the 4.11 lb/gallon density of LPG only applies at room temperature (77F). tanks are about 18 inches tall.) (WC). You can see how this formula works reading the example above or/and choosing another one at the bottom of this page. ASME tanks are permanently installed, and usually larger, you might see them at a gas station or in a motorhome. How many therm [U.S.] in 1 gallon [U.S.] of LPG? While technically, a pound is a measure of mass, and weight is actually a measure of force, the two are equivalent as long as we are performing our calculations on Earth. We want to calculate the mass in pounds from a volume in US gallons. We are working on allowing guests to post, sorry for the trouble. Please, choose an substance by typing its name in the left box. Portable propane tanks are smaller- these are the tanks commonly used for a BBQ grill, travel trailer or fifth wheel . Holiday . US oz = 28.349523125 g There are a few reasons for this. these are the ones you see at propane exchanges at grocery and hardware stores. Propane (LPG) Gallons: LPG gal 0.758 = GGE: Liquid Natural Gas (LNG) Gallons at 14.7 psi and -234F: . (This is a great size for an RVer, its one of my favorite upgrades. 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. Which is heavier, a gallon of beer or ice cream? Please note this is volume to weight conversion, this conversion is valid only for pure water at temperature 4C. Pound (lb) is a unit of Weight used in Standard system. We have the density table at the bottom of this web page that shows us the densities values in . In Imperial or US customary measurement system, the density is equal to 30.777 pound per cubic foot [lb/ft], or 0.285 ounce per cubic inch [oz/inch] . Privacy PolicyAffiliate DisclosureTerms of Use, "{{getWooProductName}}" has been added to your cart. Please enable Javascript to use This is true when the propane tank is at a temperature of 60 degrees Fahrenheit. It was defined in the United States in 1968 as the energy equivalent of burning 100 cubic feet of natural gas at standard temperature and pressure. [1] The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups. Propane Usage & Tank Size Calculator How Long Will Your Tank Last? 493 kilograms [kg] of Propane fit into 1 cubic meter, 30.77698 pounds [lbs] of Propane fit into 1 cubic foot, A few materials, substances, compounds or elements with a name containing, like or similar to. You need one number: The water capacity of your propane tank. Therefore, the contents of this site are not suitable for any use involving risk to health, finances or property. actually at 100lbs tank of LP will be 22.9 gal. Multiply your WC by .42 to find out how many pounds of propane your tank will hold. Step 4: If your propane tank is a cylinder, you will need to measure it in pounds. BTU per Gallon of Propane:You might also be interested to know that the calculator factors in BTU per gallon of propane, which is 1 gallon = 91,452 BTUs. https://www.convertunits.com/contact/remove-some-ads.php. If we have, for example, mass in pounds and volume in gallons, we should do something to correct our result. How long will my grill, fire pit, patio heater, camp stove run on a tank of propane? If it is very cold out, your propane will not last as long. Depending on how your tanks are mounted, you may also want a snap on tank riser or halo. Volume to (Weight) Mass Converter for Recipes, Weight (Mass) to Volume to Converter for Recipes, Mass, Weight, Density or Specific Gravity of Liquids, Mass, Weight, Density or Specific Gravity of Water at Various Temperatures, 10 ounces of crude oil, california in grams, 16 m of formic acid 80% concentration in kg, 1 gallon of diesel fuel oil 20 to 60 in kg, 2 liters of formic acid 80% concentration in kg, 0.75 liter of crude oil, 32.6 api in tonnes. Don't use this calculator for critical purposes, unless you know what you are doing exactly. 30 lbs. First, how much propane an appliance uses varies based on things like temperature. inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, How many gallons of propane go into a 50 propane tank? Look for WC. This is based upon a density of 0.85 kg/l. For cooking applications, most chefs suggest measuring dry ingredients by weight rather than volume to improve accuracy in the measurements. Pounds CO 2 Kilograms CO 2 Pounds CO 2 Kilograms CO 2; Carbon Dioxide (CO 2) Factors: Per Unit of Volume or Mass Per Unit of Volume or Mass Per Million Btu Per Million Btu; For homes and businesses: Propane: 12.68 gallon: 5.75 gallon: 138.63: 62.88: Diesel and Home Heating Fuel (Distillate Fuel Oil) 22.45 gallon: 10.19 gallon: 163.45: 74.14 . 16 pounds propane/1 cylinder 0.818 pounds C/pound propane 0.4536 kilograms/pound 44 kg CO 2 /12 kg C 1 metric ton/1,000 kg = 0.022 metric tons CO 2 /cylinder. For example, mass in kg and volume in liters. Add Pounds to Gallons converter to your website to use this unit converter directly. Note: Propane at -40 C | density: 583.07 kg/m. Privacy Policy Gallons of gasoline consumed. What is the conversion for 1 gallon to pounds? Product Name Conversions Gallons / 30 lbs ft3 / 30 lbs R-12 Dichlorodifluoromethane 11.10 lbs / gal 34.60 ft3 / gal 2.70 93.42 R-13 Chlorotrifluoromethane 7.55 lbs / gal 27.25 ft3 / gal 3.97 108.18 R-13B1 Bromotrifluoromethane 13.10 lbs / gal 34.00 ft3 / gal 2.29 77.86 R-22 Chlorodifluoromethane 10.10 lbs / gal 43.56 ft3 / gal 2.97 129.37 R-115 Savvy Calculator is a free online tool of calculations. 1 gallon (gal) = 8.345404452 pound (lb). tank or one of those disposable green 1 lb canisters? Pounds and gallons are both commonly used to measure cooking ingredients. There is a lot of confusion about this because propane tanks can only be filled to 80%. We have the density table at the bottom of this web page that shows us the densities values in . The first tank will hold 115 gallons of lp gas, the second tank will hold 250 gallons of LP Gas. Next up are 4 lb. This is one of them. ). The Propane Weight Calculator is a tool used to estimate the weight of propane based on its volume. Please, select the weight unit (kilogram, tonne, pound, etc. Another useful application of weight and volume conversions is chemistry. It is based on usage at 60 degrees Fahrenheit. These tables contain the most frequently used vcf and mcf. A US gallon of petroleum diesel weighs about 7.1 pounds. For example, if it is very cold out your propane will not last as long. Propane pounds per gallon Propane weighs 4.25 pounds per gallon. ConvertUnits.com provides an online There are two basic types of propane tanks. Finally, we can generalize this formula any units of mass and volume, since we know how to find the values for mcf and vcf (Check the factor tables below). In other words, when you fill a 20 pound propane tank to 80%, it holds about 20 pounds (4.7 gallons) of propane. A third application of weight and volume conversions is when shipping freight when calculating the volumetric weight for cargo and packages. By using the Propane Weight Calculator, you can input the volume of propane in gallons, and the calculator will perform the necessary calculation to determine the estimated weight of the propane. How many therm [U.S.] in 1 gallon [U.S.] of LPG? Use this page to learn how to convert between therm [U.S.] and gallon [U.S.] of LPG. Just slide the slider to '50' and you get the result: 50 lb propane tank holds 9.73 gallons of propane. The propane calculator will also estimate how long typical propane cylinders and tanks will last based on your energy consumption. Standard BBQ tanks are 20 lbs. 1 gallon of propane = 4.24 lbs. We assumed 102,000 Btu/CCF in our calculations. Volumetric Weight Calculator; Freight Density Calculator; HRM Calculators. Propane tank exchanges only fill the tanks to 15 pounds. Enter weight, select a unit of weight, and specify a material or substance to search for. Weve been full-time RVers since 2012. Conversion Calculator ADVERTISEMENT Unit Converter Weight to Volume Converter Convert Pounds to Gallons Convert Pounds to Gallons ADVERTISEMENT From: pounds To: gallons ADVERTISEMENT Get the Widget! ), then press / click the 'Calculate' button. Content Navigation Propane BTU Calculator Quick BTU Chart - How Much Propane Does a Heater Use? When a scale is not available, a calculator like the one above is a good way to estimate the weight to volume conversion. The Propane Weight Calculator simplifies the weight calculation process, providing a quick and convenient tool for homeowners, professionals, and businesses involved in propane-related activities. You can do the reverse unit conversion from How big is my tank? You will see that there is quite a lot of informationstamped into the collar. Knowing the weight of propane is essential for various applications, such as transportation, storage, and usage planning. Check out our Worthington 4.25 lb Portable Propane Tank Review for details. Well, we recently got a new fire pit and while figuring out how long it would run on various propane tanks, I decided it would be easier to use a calculator to find the answer. Tags: None Flag JohnS Moderator If the density is given in grams per milliliter (g/mL), then first multiply the density by 8.3454 to convert to lb/gal. But this works fine when the density value we have (from a chart for example) is defined using the same unit of volume and mass that we will use in the formula. Worthington 4.25 lb Portable Propane Tank Review, Ultrasonic Propane Level Gauge with Bluetooth 2 Sensor & LED Monitor Kit, Single Ultrasonic Propane Level Gauge Sensor, Thousand Trails Membership Review Year 6, RV Sewer FAQ: Black and Grey Tank, Fittings & Dumping, 6 Best RV Drinking Water Hoses (2023 Buying Guide), If you dont know what size your tank is, you can use the. Then multiply this by the number of hours you're planning to use it for, and then add a bit for contingency. The propane weight is determined by multiplying the volume by a conversion factor of 4.24. The pound is a US customary and imperial unit of mass. The US gallon is equal to 3.785411784 liters and defined as 231 cubic inches. Great. therm [U.S.] or Simple Calculation To calculate how much propane you need to store, first work out how much propane your generator uses per hour. The result is the quantity of compressed gas in cubic feet. How do I determine how much gas a 100 pound tank will hold? The small green disposable canisters are 1 lb. Last updated: June 30, 2022 Also in Units and calculators explained Units and calculators then. Full BTU content is 18,300,000 BTUs; that's enough to provide 10,000 BTU/h for 76 days And 6 hours. It can hold a maximum of 200 gallons (80% rule) Empty weight: 483 pounds. Of course, if you turn it down a little it will run longer. The densities values are show and are valid for a certain temperature. This conversion calculator enables you to quickly and easily convert various alternative fuels into their gasoline gallon equivalents, or GGEs . The Greenhouse Gas Equivalencies Calculator uses the AVoided Emissions and geneRation Tool . Propane tanks should only be filled by licensed refilling stations in accordance with local regulations. How much does a gallon of diesel fuel weigh? National Institute of Standards and Technology; U.S. Department of Commerce; 100 Bureau Drive; Gaithersburg, MD 20899 USA. gallon [U.S.] of LPG to therm [U.S.], or enter any two units below: The therm (symbol thm) is a non-SI unit of heat energy. For a density given in g/mL, you can use this simple formula to convert: Thus, the volume in gallons is equal to the weight in pounds divided by 8.3454 times the density (in g/mL) of the ingredient, substance, or material. A 20 pound propane tank is designed to hold about 20 pounds or 4.7 gallons of propane. We want to calculate the mass in tonnes from a volume in US gallons. mass = 583.07 8 .003785410.453592 mass = 17.65730.453592 mass = 38.9276 pounds (answer) There are other ways to convert from volume to mass. We assume you are converting between therm [U.S.] and gallon [U.S.] of LPG.You can view more details on each measurement unit: therm [U.S.] or gallon [U.S.] of LPG The SI derived unit for energy is the joule. Note that rounding errors may occur, so always check the results. We have the density table at the bottom of this web page that shows us the densities values in kg/m, so we will use the folowing formula (see why below): 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. Please, select the volume unit (cup, milliliter, liter ) to which you want to convert, then select its quantity. Jump to the PROPANE USAGE CALCULATOR to estimate how long your DOT propane tank will run your appliances. propane tank!When filled to 80% it will hold 20 pounds or 4.72 gallons of propane. 1 US qt = 0.946352946 liters = 0.946352946 kg of pure water at temperature 4 . Very simple isn't it? In other words, when you fill a 20 pound propane tank to 80%, it holds about 20 pounds (4.7 gallons) of propane. Pound (lb) is a unit of Weight used in Standard system. Jump to the PROPANE TANK SIZE CALCULATOR to find:Size in pounds.How many gallons your tank will hold when filled.How many BTU it will produce. Flag Unregistered Tweet #3 How much does all the water in my pool weigh? Propane: 42 gallons per home 1/42 barrels/gallon 235.0 kg CO 2 2 /home. How to convert from volume to mass (incorrectly called weight)? Welcome to the OnlineConversion.com forums. The LP tanks are sold by weight i.e. That's if you measure it at 77F, of course. Last accessed: 29 August 2020 (nist.gov). The Ultrasonic Propane Level Gauge with Bluetooth 2 Sensor & LED Monitor Kit is great for RV applications. fuel oil #6 gallon. Try Unit Converter App for your Mobile to get the ease of converting thousands of units. To convert a measurement in pounds to gallons, divide the weight by the density of the ingredient or material. density of propane is equal to 493 kg/m; at 25C (77F or 298.15K) at standard atmospheric pressure . If you want to know how many gallons or BTU for a tank exchange tank enter 35.71 for WC to approximate 15 pounds. the unit converter.Note you can turn off most ads here: Portable propane tank sizes youll find for RV camping commonly range from 1 lb to 40 lbs. Feel hassle-free to account this widget as it is 100% free. Im not a propane expert, just someone who likes math and uses propane. This means we earn a small commission (at no additional cost to you)if you make a purchase through these links. About Us Contact Terms of Service How long will a 20 lb. So, 0.236 gallons x 100 pounds = 23.6 gallons. There are tables with heat contents for fuels and electricity in the appendices of the Monthly Energy Review. 18 pounds propane/1 cylinder 0.817 pounds C/pound propane 0.4536 kilograms/pound 44 kg CO 2 /12 kg C 1 metric ton/1,000 kg = 0.024 metric tons CO 2 /cylinder. In the US gas industry its SI equivalent is defined as exactly 100,000 BTU59F or 105.4804 megajoules. Your furnace, for example, only comes on when it needs to, so you would also need to estimate how much time it is actually running. Propane is commonly used as a fuel for heating and cooking purposes. Plugging the values in the formula, we get, mass = density volume = 750 2 = 1500 Kg. You can view more details on each measurement unit: More information from the unit converter. kerosene gallons. (Boiling point of propane is -42.2C / -44F, and thus, propane is present as liquid below this temperature) The output density is given as kg/m 3, lb/ft 3, lb/gal (US liq) and sl/ft 3 . Wait what? Examples include mm, 1 therm [U.S.] to gallon [U.S.] of LPG = 1.04687 gallon [U.S.] of LPG, 5 therm [U.S.] to gallon [U.S.] of LPG = 5.23435 gallon [U.S.] of LPG, 10 therm [U.S.] to gallon [U.S.] of LPG = 10.4687 gallon [U.S.] of LPG, 15 therm [U.S.] to gallon [U.S.] of LPG = 15.70306 gallon [U.S.] of LPG, 20 therm [U.S.] to gallon [U.S.] of LPG = 20.93741 gallon [U.S.] of LPG, 25 therm [U.S.] to gallon [U.S.] of LPG = 26.17176 gallon [U.S.] of LPG, 30 therm [U.S.] to gallon [U.S.] of LPG = 31.40611 gallon [U.S.] of LPG, 40 therm [U.S.] to gallon [U.S.] of LPG = 41.87482 gallon [U.S.] of LPG, 50 therm [U.S.] to gallon [U.S.] of LPG = 52.34352 gallon [U.S.] of LPG. Unit Converter Weight to Volume Converter Convert Pounds to Gallons, For further assistance, please Contact Us. While you can use the usage calculator to estimate how long your RV furnace, refrigerator or oven will run, you will really only get a ballpark idea of how long your propane will last in real life. How much does the water in my pool weigh? gallons = 5 lb 8.3454 0.7 g/mL = 0.8559 gal When to Convert Pounds to Gallons Pounds and gallons are both commonly used to measure cooking ingredients. Get Code! Ex. [water]. of gas vapor per gallon. As an Amazon Associate I earn from qualifying purchases. I need to purchase two LP tanks. Propane usage and efficiency varies based on things like temperature so while this calculator can give you a very good idea of how long your tank will last, it wont be exact. Over 127,000 miles and 47 states later, we are still towing our home around the United States. US fl oz = 29.5735295625 ml (milliliters) = 29.5735295625 g (grams) of pure water at temperature 4C. A 20 pound propane tank is designed to hold about 20 pounds or 4.7 gallons of propane. 100 pounds. Notes: the results in this calculator are rounded (by default) to 3 significant figures. Pounds can be abbreviated as lb (plural lbs), and are also sometimes abbreviated as lbm or #. propane tank run a grill? This is for safety so that there is room for expansion. Most propane appliances have their BTU rating either on a sticker or stamped somewhere. Use our gallons to pounds calculator to figure out how much the volume of water, oil, gasoline, or even ice cream weighs! Re: Converting Propane LB's into Propane Gallons. Flag Weight of the selected item is calculated using its density and entered volume. As the true density will differ with temperature and pressure. Here's a chart: 4.25 - 1 8.50 - 2 12.75 - 3 17.00 - 4 A note about propane tank exchanges: Although they use 20 lb. On TowingHome we share what we have learned along the way; what we love (and what we dont) about the RV lifestyle, tips and tricks, our favorite campgrounds, places and gear. 10 US gallons of propane equals 48.7 ( ~ 48 3/4) pounds. Trucks, ships, and airplanes are limited in the amount of weight or volume they can transport, so if one of those quantities is known, but the limitation is on the other, then it becomes necessary to convert between the two so as not to overload the shipping vehicle. 1 gallon (gal) = 8.345404452 pound (lb). It is common to mix powdered chemicals with liquid, or aqueous, chemicals, and this is where it becomes very useful to convert between weights and volumes.[2]. 1 US qt = 0.946352946 liters = 0.946352946 kg of pure water at temperature 4C. 1 gallon of propane weighs 4.11 lb. We always struggled to serve you with the best online calculations, thus, there's a humble request to either disable the AD blocker or go with premium plans to use the AD-Free version for calculators. I need to convert 34,680 lbs of propane into gallons. 1 gallon propane = 35.97 cubic feet propane 100 gallons propane = 3597 cubic feet propane " NATURAL GAS " means naturally occurring mixtures of hydrocarbon gases and vapors consisting principally of methane, whether in gaseous or liquid form. So, plugging these values in the formula above, we get: There are other ways to convert from volume to mass. He holds several degrees and certifications. tanks. That is exactly the formula that we use in this calculator. Make sure to account for your batteries. While every effort is made to ensure the accuracy of the information provided on this website, neither this website nor its authors are responsible for any errors or omissions. 1 cubic meter of Propane weighs 493 kilograms [kg], 1 cubic foot of Propane weighs 30.77698 pounds [lbs], A few materials, substances, compounds or elements with a name containing, like or similar to. How to convert 1 US gallon of propane to tonnes. how many gallons are in 100 lbs propane tank? . All times are GMT-8. We use it with a 4.25 lb. Here is how you can use this calculator: Let's say you have a 50 lb propane tank. How to convert 10 US gallons of propane to pounds. Enter the weight in pounds below to calculate the volume in gallons. This is the water capacity of your tank. Converting Propane Pounds to Gallons Know What You're Doing - Safe Use of a Propane Heater Type in your own numbers in the form to convert the units! How many pounds is one gallon of milk? When we started RVing, propane was one of the most confusing things for me to wrap my head around.