Web1 Cubic Foot of Natural Gas: 1000 BTU IT: 1 British Thermal Unit (International Table): Most common use of term BTU in everyday language. Most homes, in this regard, are either Average or Very Sunny. Our natural gas converter is a unique but swiftly straightforward tool. WebThe calculator provides indicative conversion of gas consumption in cubic metres to kilowatt-hours and other units. For example, lets say you live in Memphis, TN, which is in the northern tier of Zone 3 in western TN. WebBtu to cfh conversion natural gas calculator. Thermal insulation is defined as the reduction of heat transfer between objects in thermal contact or in the range of radiative influence. WebThis page features online conversion from normal cubic meter of natural gas to British Thermal Unit.These units belong to different measurement systems. ($0.05 $0.22/h), How Much Does 1000 Watts Cost Per Hour? If you need to convert standard cubic foot of natural gas to another compatible unit, please pick the The downstream pressure in a houseline after the meter/regulator is in general in the range of 7 to 11 inches Water Column, or about 1/4 psi. WebFUEL QUALITY CALCULATOR. This table can help you get an estimated BTU for gas or propane furnace easily. First The most accurate way is to calculate the square footage of each room and add the numbers together. In order to estimate your generator size requirement, please enter the square footage of your home, then select which appliances you would like to run during a power outage. 600 British Thermal Units to Cubic Feet Of Natural Gas = 0.6. This may shorten the lifespan of the air conditioner. WebNatural Gas Unit Conversion Calculator. Web500 British Thermal Units to Cubic Feet Of Natural Gas = 0.5. *The fuel content of the volume of natural gas can vary. Carbon dioxide emissions per therm are determined by converting million British thermal units (mmbtu) to therms, then multiplying the carbon coefficient times the fraction oxidized times the ratio of the as the decimal separator. WebJust insert the BTUs in the equation, and you can calculate the number of cubic feet of natural gas that contains 200,000 BTU of heat content like this: Cubic Feet (200,000 BTU) = 200,000 BTU / 1037 = 192.86 Cubic Feet Of Natural Gas. Cost of electricity has gone up by $0.02 $0.13 per kWh. Shortly: it shows how much energy (in megajoule) is released while combusting 1 cubic meter of natural gas. Natural gas can be measured in terms of its volume and the amount of heat or energy it generates. If you dont know it, the information might be found on a blueprint or house drawing, in closing If it is unheated, then dont. Measure/calculate the sections separately, and add them together. 10 British Thermal Units to Cubic Feet Of Natural Gas = 0.01. The amount you calculate for an appliance's BTU capacity should be close to the nameplate "input" BTUH on the device. WebSelect Gas Type: Calculate. Natural gas has roughly 1,050 BTUs per cubic foot (0.028 cubic meters). For example, if the bedroom and office area zone is 1,800 square feet and the living areas and kitchen are 2,400 square feet, add together the recommended BTUs for each. WebSelect Gas Type: Calculate. Natural Gas - Pipe Sizing Calculator - Calculate capacities and dimensions of natural gas pipe lines. The natural gasoline equipment calculator is an estimate fee of home equipment. It is noteworthy that according to 2017 figures, the world consumes 132,290,211MMCF132,290,211 \text { MMCF}132,290,211MMCF (million cubic feet) of natural gas each year. Boilers: 100,000 - 200,000 BTUs/hr* For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf. air), Latent Heat (BTU/hr) = 0.69 x CFM x gr. How Many Square Feet Will 4,000 80,000 BTU Heat? But Very Sunny means something very different in Denver (245 days with sun) than it does in Portland, Oregon (142 days with sun), even if there are no shade trees around the house. It will vary due to the material, sill of the operator in the working conditions. Along with the factors discussed above and their effect on BTU usage, there are other factors to keep in mind: e.g. OK, weve taken the time to input data for common home sizes, climates, etc. The manuals supplied by manufacturers list both for any given furnace, but if you browse their websites, most furnaces are listed by input amount of heat created and you have to do the math to get output. PickHVAC is also a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. In order to estimate your generator size requirement, please enter the square footage of your home, then select which appliances you would like to run during a power outage. In fact, the prestigious Remodeling Magazine annual survey consistently shows that attic insulation has a 105% to almost 120% return on investment (Cost vs. Value). Propane, C 3 H 8. WebBtu to cfh conversion natural gas calculator. If you dont know, if your home is older and hasnt been remodeled, or if you can feel drafts coming in around windows and doors, choose Poor. Just slider the slider to 175 and you get the result: 175 CFH of propane is equal to 440,475 BTU. WebIn warmer climates, multiply this number by 10 - 15. Download PDF of Natural Gas Fuel Consumption Chart. 800 British Thermal Units to Cubic Feet Of Natural Gas = 0.8. Divide the energy transfer rate in BTUs per hour by 100,000, which is the number of BTUs in a therm. WebFuels like oil and natural gas can have minor differences in their BTU content but it's a negligible amount. Cubic meters or m3 is the unit of measuring the volume of natural gas. How is natural gas usage calculated? NG Default Clear Form. 3. Pro Tip:For smaller rooms/zones/apartments, aductless mini split heat pump is another really good option. If you still dont know how to figure btu for furnace, just leave a comment below. The units to measure natural gas in terms of heat and energy generation are: If you come from a "metric" country, you'd likely be familiar only with the Joule: visit our energy conversion calculator to orient yourself with these different and more specific measurement units. WebGAS PIPE SIZING CHART. as the decimal separator. Our heating BTU calculator takes those very important factors into account, so, for example, if you have a question like, how many BTU do I need toheat 1,500 square feet? For most consumers in Canada, theres a natural gas meter on the outside If you already bought a specific size furnace and want to know the square footage it can heat, this furnace sizing by btu to square footage Table can give you all common answers : The aboved table is also calculated based on the 96 AFUE. The Greenhouse Gas Equivalencies calculator allows you to convert emissions or energy data to the equivalent amount of carbon dioxide (CO 2) emissions from using that It is sold or purchased in terms of the required volume. For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf. Many air heating applications use steam or hot water coils to heat the air. Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. These applications will - due to browser restrictions - send data between your browser and our server. Atlanta winters tend to hover around 45F and temperatures may fall as low as 30F occasionally. WebBTU (Natural Gas) = CFH Of Natural Gas 1037 BTU (Propane) = CFH Of Propane 2517 As we can see, to calculate BTU from the CFH of natural gas, we have to multiply CFHs by 1037. Pro tip: If youre on or near the border between Zones, choose the higher number/cooler Zone. WebHeating BTU Calculator Room Dimensions (in feet) Length: Width: Ceiling Height: Insulation: Lowest Outside Temperature: Btu/Hr Required: Vent Free Heaters Vented Heaters Gas Unit Heaters Not sure which unit is right for you? It can be difficult to tell. Therefore, a room with lots of windows normally means poor insulation. Web500 British Thermal Units to Cubic Feet Of Natural Gas = 0.5. The full name is British thermal unit. Many air heating applications use steam or hot water coils to heat the air. Shape of the home. How many BTU are you piping into the house? But if you live in very south, it can heat more than 1,000 sq ft. A BTU is a measurement of heat specifically, the heat needed to raise the temperature of one pound of water 1 degree Fahrenheit. Why You Need to Drain Condensate for High Efficiency Furnace? The calculation is instantaneous. We have also prepared a natural gas unit chart just for your convenience, alongside which we will be talking about various units to measure natural gas. WebSelect Gas Type: Calculate. A 100,000 to 160,000-plus BTU furnace. NOTE: Gas consumption data is merely for estimating purposes. Energy required to raise the temperature of 1lb of water by 1F. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. WebPlease note that this table is intended to be used as an estimate of how much fuel a generator uses during operation and is not an exact representation due to various factors that can increase or decrease the amount of fuel consumed. In other words, the money spent will be quickly gained back through lower energy bills. Know your Numbers! Given that the desired temperature of the residents is 75F, the desired temperature increase would be 75F - 30F = 45F. On average, this represents The specifications PDF for the OVM98, for example, shows 98,000 BTU input and 80,000 BTU output. Here are these two equations: As we can see, to calculate BTU from the CFH of natural gas, we have to multiply CFHs by 1037. 600 British Thermal Units to Cubic Feet Of Natural Gas = 0.6. The results show the most common furnace size for each scenario. WebBtu to cfh conversion natural gas calculator. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. If youre living in Seattle, a 90,000 BTU furnace would only heat a 2,000 sq ft home. 2. Conversion table. Use the Pick HVAC Gas Furnace Sizing Calculator, and when you get estimates from furnace contractors in your area, youll have a very clear understanding of what to expect. Type in the number of square feet in your home all heated areas. Decide mathematic question. *The fuel content of the volume of natural gas can vary. Do they make furnaces that size? Not much has been done to the house. A BTU describes the energy content or heat value of fuels. Tankless Water Heater Wire Size Calculator: What Gauge Wire (AWG)? NOTE: Gas consumption data is merely for estimating purposes. 200,000 BTU is equal to 192.86 CF of natural gas. You can choose between 20 different popular kitchen ingredients or directly type in the product density. Deal with math equations. A furnace that is too large will waste energy and create warm spots at grates near the furnace before the cycle ends. BTUs/hr; Gas Fireplace (trendy) 25,000 35,000 BTUs/hr; Generator (standby). Sample Name: All values should be entered as mole %, unless otherwise noted. Only emails and answers are saved in our archive. Our natural gas converter is a unique tool that let you convert between different units of measuring natural gas. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2014-2023, PICKHVAC All Rights Reserved. A BTU describes the energy content or heat value of fuels. Natural gas has roughly 1,050 BTUs per cubic foot (0.028 cubic meters). You may be trying to access this site from a secured browser on the server. WebSG = specific gravity of natural gas. The generally accepted BTU per square foot heating rule of thumb ranges from 30 BTU to 60 BTU per square foot. It will vary due to the material, sill of the operator in the working conditions. WebFUEL QUALITY CALCULATOR. Ceiling fan usage. 1 cu ft nat gas = 995.33571001887 BTU. If you get stuck or have any other questions, you can use the comment section below, give us some numbers, and we will help you out. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! Break down the home into rectangles. WebCFH to BTU Calculator for natural gas, accompanied by a Natural Gas CFH To BTU Chart converting flows from 1 CFH to 1000 CFH to BTUs (1037 BTU to 1,037,000 263+ PhD Experts 3 Years in business Energy Conversion Calculator. Youre not sure if it has house wrap. Generator Size (kW) If you like it toasty inside, use the warmer zone (lower number). Please enable scripts and reload this page. If you dont have any of those, the easiest way to determine it is to measure rectangles within your home multiplying width x length for each if there are more than one and adding their totals. There are no mid-80% AFUEfurnaces. WebNatural Gas Unit Conversion Calculator. In general it is common to set. WebThis page features online conversion from normal cubic meter of natural gas to British Thermal Unit.These units belong to different measurement systems. WebOne cubic foot (0.028 cubic meters) of natural gas contains about 1,050 BTUs or 1,037 BTUs (US EIA) One cubic meter (35.3 cubic feet) of natural gas contains about 36,303 BTUs How many BTUs are in a gallon of LP gas or propane? %. In more moderate climates, multiply by 20 - 30. Computing BTUH: Technical Note: You can calculate your gas-fired equipments BTUs per hour of gas usage. Typical values are in the range 0.6 - 0.7. %. WebConvert 1 Cubic Foot Of Natural Gas to BTU (cu ft nat gas to BTU) with our conversion calculator and conversion tables. Chart of Recommended Heating BTU Per Square Foot. The BTU per square foot heating rule of thumb varies widely based on your climate and the size of the house or space you want to heat. This chart is based on low pressure natural gas (14" W.C.) with a dynamic pressure drop of no more than .30" W.C. in thousands. Pressure are approximate for hose length up to 25 feet; increase for longer lengths about 3 PSIG per 25 feet and increase working pressures 2-3 PSIG for check valves. 1. Climate Zone: Find your location on the map.Pro tip: If youre on or near the border between Zones, choose the higher number/cooler Zone. Web500 British Thermal Units to Cubic Feet Of Natural Gas = 0.5. 1 ft 1,037 Btu. WebGas calculator - equation. If you need to convert standard cubic foot of natural gas to another compatible unit, please pick the Home Size: Enter the square footage of your home. Oil furnaces have a slightly different range from about 60,000 to 160,000 BTU/h. A 100,000 to 160,000-plus BTU furnace. WebThis page features online conversion from standard cubic foot of natural gas to British Thermal Unit.These units belong to different measurement systems. For example, if the cost for natural gas is $17.50 per 1,000 cubic feet, then divide by 10 and enter 1.75 as the price per therm. A beach bungalow built in the 1800s with no renovations should probably be classified as poor. About Us | Contact Us | Privacy Policy| Cookie Policy| Terms of Use| Do Not Sell My Info. How many btu to heat 1000 sq ft? The BTU content in solid fuel on the other hand can vary widely. WebWith our smart calculator you can easily convert between the two weight units thmand BTU. Energy Conversion Calculator. BTU can also be used pragmatically as a point of reference for the amount of heat that an appliance generates; the higher the BTU rating of an appliance, the greater the heating capacity. NEC 310.16 Table: Copper And Aluminum Wire Ampacity Chart, NEC 310.12 Table: Wire Sizes For 100-400 Amp Services (83% Rule), kWh To Therms Calculator + Conversion Chart (1 kWh = 0.03412 Therms), MMBTU To Therms Calculator + Chart (1 MMBTU = 10 Therms), Therms To MMBTU Calculator + Chart (1 Therm = 1/10 MMBTU), AWG To Circular Mils Chart (For 4/0 AWG To 20 AWG). It is possible to try and place shady trees around the condenser, but keep in mind that condensers also require good surrounding airflow for best efficiency. Computing BTUH: Technical Note: You can calculate your gas-fired equipments BTUs per hour of gas usage. = 4.5 x CFM x h (std. The main issue is shade some/little/none. Secondly A method that also yields an accurate calculation is to measure the footprint of your home. It is a unit to measure the heat energy produced by fuels, in this case, natural gas. NOTE: Gas consumption data is merely for estimating purposes. In a warm climate, experiment with 80% and 90% to 92%. WebBTU Calculator A BTU or British thermal unit is a unit of energy. But think about days of sunshine during winter too. Use the Pick HVAC Gas Furnace Sizing Calculator, and when you get estimates from furnace contractors in your area, youll have a very clear understanding of what to expect. The correct rating is BTU/hour, or BTU/h, meaning how much heat does the equipment create in one hour of constant operation. Calculate heating BTU needed in four easy steps. The first one is from Natural Gas Energy Equivalent.The second one is from British And American. Typical values are in the range 0.6 - 0.7. And in cold climates multiply the square foot number by 30 - 40. Again, for the most accurate results, use the Pick HVAC Furnace Sizing Calculator. Jan 2023 Heating Costs Update: Due to unprecedented recent increase in cost of all heating fuel types, average cost of Natural Gas has increased by as much as $0.50 per Therm, Heating Oil is around $5/gallon & Propane has gone up by $0.90/gallon. All you have to do is enter the quantity in the unit of your choice and make sure you select the proper unit for the output. A BTU describes the energy content or heat value of fuels. Similarly, to calculate BTU from the CFH of propane, we have to multiply CFHs by 2517. The calculator will automatically convert your number and display the result in the other unit fields. 1. That is because 1 CFH of natural gas contains 1037 BTU of energy, according to the US Energy Information Administration. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. DC Wire Gauge Calculator: What Gauge Wire (12V, 24V, 48V)? And for heat pumps, it is the same as for air conditioners the amount of heat moved from outside to inside during heating. It is a unit to measure the heat energy produced by fuels, in The capacity of a 100 ft natural gas pipe with a nominal diameter 0.5 inches (actual ID 0.622 in) and 0.5 inches WC pressure drop can be calculated as, k = [((0.622 in))5/(1 + 3.6 / (0.622 in) + 0.03 (0.622 in))]1/2, q = 3550 0.117 ((0.5 in) / ((100 ft) 0.60) )1/2. 96 cubic feet (ft3) of natural gas is equal to 2.688 cubic meters (m3) of natural gas. The following is a rough estimation of the cooling capacity a cooling system would need to effectively cool a room/house based only on the square footage of the room/house, as provided by EnergyStar.gov. The maximum allowable BTU/Hr will be visible where the two lines intersect. You may be trying to access this site from a secured browser on the server. We have prepared a natural gas unit chart just for you. Ceiling fans can help with lowering BTU usage by improving air circulation. Thermostats placed in dead spots can inaccurately manage the temperatures of homes. WebThe British Thermal Unit, or BTU, is an energy unit. Make Shortcut to this Calculator on Your Home Screen. In general it is common to set. Use the content above to get the most accurate gas furnace sizing calculator available anywhere. 9 British Thermal Units to Cubic Feet Of Natural Gas = 0.009. Lets start with this very useful map. NG Default Clear Form. Since the energy in natural gas is equivalent to the gas's volume, you can freely convert between BTUs per hour and cubic feet per minute (CFM). Calculating square feet:If you are unsure of your homes square footage, you can locate it on a blueprint/house drawing or in closing documents. Make sure neighboring vegetation does not interfere with the condenser, blocking air flow into the unit and choking it. So, what is the answer? The grams to cups calculator converts between cups and grams. Its generally better to go slightly bigger rather than a little too small. 9 British Thermal Units to Cubic Feet Of Natural Gas = 0.009. WebHow to calculate the BTU capacity of LP or natural gas fired equipment, heaters, or appliances. PICKHVAC Terms of Use: Some of the products seen on our site are delivered through a relationship with outside suppliers like Networx.com, Google, and others. Home Size: Enter the square footage of your home. 1 Because you want to know how much heat gets into your ductwork. 1 Youll be shopping for furnaces in two tiers: 80% and 90% to 99%. air), Sensible Heat (BTU/hr) = 1.1 x CFM x t (std. SEER = (1 EER100% + 42 EER75% + 45 EER50% + 12 EER25%)/100, Total Heat (BTU/hr.) Great! WebCFH to BTU Calculator for natural gas, accompanied by a Natural Gas CFH To BTU Chart converting flows from 1 CFH to 1000 CFH to BTUs (1037 BTU to 1,037,000 263+ PhD Experts 3 Years in business Energy Conversion Calculator. To convert 1 cu ft nat gas to BTU use direct conversion formula below. For example: 85% x 1,031 = 876 + 10% x 1,075 = 108 + 3% x 1 ,265 = 38 + 2% x 2 , 488 = 100 4. Volumetrically, propane is energy-richer fuel than natural gas. On the other hand, if the unit is too small, it will run too often throughout the day. Cost to operate = usage (hours or load) x (BTUs/100,000) x price per therm OR Cost to Operate = usage (hours or load) x therms x price per therm. Using our rounded safe number of 1000 BTU per cubic foot on natural gas the required flow rate for this new unit heater would be 1000 CFH (100,000 1000) Heating Air with Natural Gas . For example: 85% x 1,031 = 876 + 10% x 1,075 = 108 + 3% x 1 ,265 = 38 + 2% x 2 , 488 = 100 4. The unit ft3 measures the volume of the natural gas produced or consumed. Since the energy in natural gas is equivalent to the gas's volume, you can freely convert between BTUs per hour and cubic feet per minute (CFM). Climate Zone: Find your location on the map.Pro tip: If youre on or near the border between Zones, choose the higher number/cooler Zone. Standard Boilers? This will NEVER affect our opinion of a product or service! For example, a 90,000 BTU furnace is sufficient for heating a 3,000 sq ft home in Miami. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. Check out our ft to m converter for help converting from feet to meters. WebBTU Calculator A BTU or British thermal unit is a unit of energy. Did you Know? Natural gas has roughly 1,050 BTUs per cubic foot (0.028 cubic meters). The amount you calculate for an appliance's BTU capacity should be close to the nameplate "input" BTUH on the device. Turn on more accessible mode. For example, if youre trying to heat 1000 square feet in a cold climate, 30,000 - 40,000 BTUs will add significant warm air to your home. Solve Now. Approximately 1.05505585262 x 10 3 Choose your length and size from the drop down menus below. Otherwise, stick with Zone 3. WebIf the price for natural gas is based on $ per 1,000 cubic feet, divide that number by 10 to enter above. What if I live near the edge of a zone? Natural gas contains 36,303 BTUs per cubic meter (35.3 cubic feet). >Use this Furnace Sizing Tableto check your results compared with the most common results. For example: 47 feet long x 32 feet wide = 1,500 square feet. Natural gas contains 36,303 BTUs per cubic meter (35.3 cubic feet). WebThe calculator provides indicative conversion of gas consumption in cubic metres to kilowatt-hours and other units. The first one is from Natural Gas Energy Equivalent.The second one is from British And American. The tool is our professionally developed furnace calculator that factors the important data. Both factors make a difference that a simple size/climate gas furnace size calculator doesnt consider. Thermal resistance, which is a measure of a material's resistance to heat flow, is indicated by a material's R-value. WebHeating BTU Calculator Room Dimensions (in feet) Length: Width: Ceiling Height: Insulation: Lowest Outside Temperature: Btu/Hr Required: Vent Free Heaters Vented Heaters Gas Unit Heaters Not sure which unit is right for you? Typical values are in the range 0.6 - 0.7. In general it is common to set. WebThis page features online conversion from normal cubic meter of natural gas to British Thermal Unit.These units belong to different measurement systems. Webenergy content in natural gas 1000 Btu/ft 3 (37.26 MJ/m 3) steel pipes schedule 40; For natural gas the nominal BTU/ft 3 varies from about 900 to 1100 BTU/ft 3. New Furnace Replacement and Installation Cost, Adequately heated in even the most extreme cold, Sized to not waste energy or equipment costs by buying a furnace that is too big. It is not uncommon for an air conditioner to lose 50% or more of its efficiency when running with insufficient liquid refrigerant. If you want to double-check your results against ours, see the Table below that uses average-sized homes in a range of Zones, etc. Solve Now. A 100,000 to 160,000-plus BTU furnace. 1 MJ/m3 = 26.83 BTU/SCF (British thermal unit / cubic foot) The heat content of natural gas might be different in various countries. In terms of being sealed, is your homes exterior covered in house wrap like Tyvek? WebIf the price for natural gas is based on $ per 1,000 cubic feet, divide that number by 10 to enter above. ** Enter the price of electricity in dollars. Please enable scripts and reload this page. Heating Annual Cost Calculator: Oil vs Gas vs Propane vs Electric 2023, Propane VS Electric Heat Calculator (Running Cost & Savings Comparison), kW To BTU Converter Calculator: How Many BTU in a kW. 1 ft3 = 1,039 BTU The steps to convert from ft 3 to BTU are: Note down the quantity in ft 3; Multiply it by 1,039; and The result is the quantity in BTU. We don't save this data. WebThis page features online conversion from standard cubic foot of natural gas to British Thermal Unit.These units belong to different measurement systems. WebIn warmer climates, multiply this number by 10 - 15. Download PDF of Natural Gas Fuel Consumption Chart. How to use it? For example, if youre trying to heat 1000 square feet in a cold climate, 30,000 - 40,000 BTUs will add significant warm air to your home. Contact us at 877-847-0050 or email sales@TotalHomeSupply.com Total Home Supply BTUs/hr; Gas Fireplace (trendy) 25,000 35,000 BTUs/hr; Generator (standby). The Carrier/Bryant OVM oil furnace is available in several models/sizes, which are also named according to Output. Heating with two furnaces is a challenge, but with programmable thermostatsand WiFi thermostats, you can maintain optimal comfort in your home and keep your heating costs as low as possible, or as we say at Pick HVAC, ALAP! The first one is from Natural Gas Energy Equivalent.The second one is from British And American. 1 Cubic Foot (CF) = approx 1000 BTUs; 1 CFH = 1 MBH; The specific gravity of natural gas varies from 0.55 to 1.0. WebGas calculator - equation Cost to operate = usage (hours or load) x (BTUs/100,000) x price per therm OR Cost to Operate = usage (hours or load) x therms x price per therm Conversion table 1 BTU = 0.293 watt hours 100,000 BTU = 1 therm 3,413 BTU = 1 kilowatt hour Common BTU ratings Boilers: 100,000 - 200,000 BTUs/hr* Lets look at a similar calculator and chart for more energy-rich propane: Here you just insert the CFH of propane and the calculator will tell you how many BTU is that: Lets solve one example for propane as well: How many BTU is 175 CFH of propane? In general it is common to set.
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