# water btu chart

This means our AWT is 160°F. Heating BTU Calculator When shopping for heaters, many people make the mistake of choosing the wrong size for their actual needs. to power in Kilowatts (kW). Water - Specific Volume - Online calculator, figures and tables showing Specific Volume of water at temperatures ranging from 0-370 °C and 32 - 700 °F - Imperial and IS Units; Water - Thermal Diffusivity - Figures and tables showing thermal diffusivity of liquid and gaseous water at varying temperarure and pressure, SI and Imperial units You can calculate BTU heating or cooling requirements for your process by understanding your application. Water weighs 8.33 pounds per gallon so we can calculate that one gallon of water requires 8.33 BTU to raise the temperature 1ºF. The heat output or 'BTU' (British Thermal Unit) calculator is a great way to work out how much radiator power you need. The formula goes like this: 1 BTU is equivalent to the amount of energy it takes to raise 1 lb of water by 1°F. *Ratings at 140˚F and lower temperatures determined by multiplying 150˚F rating by the applicable factor specified in Table E in the I=B=R Testing and Rating Standard for Baseboard radiation. A BTU is an abbreviation for British Thermal Unit, which is the amount of energy Boiling point of water is considered to be 100 Â°C or 212 Â°F. The higher the BTU, the more water it is capable of heating. A BTU is measured by the amount of energy required to raise 1 Lb of water to 1° Fahrenheit. See our. Water Heating Time Calculator. BTU/hr to KW Conversion. It is a conversion calculator that is used to convert the power in BTU per hour (BTU/hr.) HOT WATER RATINGS BTU/HR. Learn more about how Advantage Engineering, Inc. uses cookies by contacting the site ), 1 Kilowatt (kW) = 3412 BTU Per Hour, 1 Kilowatt (kW) = 1000 Watts Per Hour, 1 Kilowatt Hour (kWH) will evaporate 3.5 pounds of water from and at 212ºF, Amperage – Single Phase (1 Ø) = KW x 1000 or WATTAGE 1 Btu = amount of heat required to raise (or lower temperature of one pound of water 1oF 1 ton refrigeration = 12,000 Btu/h = 200 Btu/min 1 watt = 3.412 Btu/h 1 horsepower = 2545 Btu/h 1 lb = 7000 grains 1 ft (head) = 0.433 psi 1 square foot EDR (equivalent direct There is a lot of other information that we could add such as Steam. A hydronic baseboard heater is a water or steam-based radiator for keeping your home at a comfortable temperature, located unobtrusively at the foot of your wall. You will see BTU used when referring to the amount of heat output a radiator emits to increase the heat in a room. To make sure you are getting the water hot enough you need to have a high BTU for high water demand. (GPM x Temperature Rise x 8.33 Lbs/Gallon x 60 Minutes), (GPH x Temperature Rise x 8.33 Lbs/Gallon), Maintaining Drain, Waste, And Vent Systems in Buildings, Hub Spotlight: Everett Knudsen, 907 Plumber—Into the Wild, and into the Trades, Flexibility of PEX and Press Fittings the Right Solution at North Salt Lake City Apartment Complex, The MODA Supply Box is a Win for this Ohio Builder, Hub Spotlight: Danny Gronendyke — How It Be with DannyG, Hunter Botto: New PHCC President Navigating Through Turbulent Times, Maintenance Meets Sustainability at Chicago Office Building. Our Experienced Team Can Save You Time & Money. Weighed Water TestMeasure the flow of water through your process by timing how long it takes to fill a known volume container. Download the free Formula Cards (at right) for more information. It has a ‘Convert' button which performs the conversion from BTU/hr. When calculating mass and volume flow in a water heating systems at higher temperature - the specific heat should be corrected according the figures and tables below.. BTU/Hr INPUT, Time in Hours = (GPH x Temperature Rise x 8.33 Lbs/Gallon) The first hour rating is the number of gallons of hot water the heater can supply per hour (starting with a tank full of hot water). The weight of water is 8.33 lbs. BTU Calculator & BTU Formulas For Water Circulating Heat Transfer. By definition, a British Thermal Unit is the amount of heat needed to raise one pound of water, 1° Fahrenheit. They are true time savers. VOLTAGE VOLTAGE, Amperage – Three Phase (3 Ø) = KW x 1000 or WATTAGE Boiling time of water can be calculated with the volume, energy, efficiency, start and end temperature. There are an unlimited number of online tools and calculators for every mathematical formula. Advantage Engineering, Inc. 525 East Stop 18 Road Greenwood, IN 46143 317-887-0729. 1 BTU/hr = 0.29307107 W. So the power P in watts (W) is equal to the power P in BTUs per hour (BTU/hr) times 0.29307107 and is equal to the power P in BTUs per hour (BTU/hr) divided by 3.412141633:. BTU Calculator. How to convert BTU/hr to watts. https://www.ascovalve.com/Applications/ProductSearch/ProductSearch.aspx?ascowiz=yes. The following chart describes the BTUs generated from different species of popular firewood. The appliance's heating power is measured in BTUs per hour, per foot of heater width. Rise (∆T) = (BTU/Hr INPUT x % Efficiency), Electric = (kW INPUT x 3412 BTU/kW x % Efficiency), Gas = (BTU/Hr INPUT x % Efficiency), % of Hot Water Required = (Mixed Water ºF – Cold Water ºF), 1 Cubic Ft = 62.428 Pounds (at 39.2ºF – maximum density), 1 Cubic Ft = 59.83 Pounds (at 212ºF – boiling point), Water expands 4.34% when heated from 40ºF to 212ºF, 212ºF 0 Feet (Sea Level), 210ºF 1000 Feet, 208ºF 2000 Feet, 207ºF 3000 Feet, 205ºF 4000 Feet, 203ºF 5000 Feet, 201ºF 6000 Feet, 199ºF 7000 Feet, CLOSED VESSEL BOILING POINT @ PSI @ Sea Level, 212ºF 0 PSI, 240ºF 10 PSI, 259ºF 20 PSI, 274ºF 30 PSI, 287ºF 40 PSI, 298ºF 50 PSI, 316ºF 70 PSI, 331ºF 90 PSI. Boiling or Heating is the process of rapid vaporization of the liquid to reach its boiling point. A BTU is an abbreviation for B ritish T hermal U nit, which is the amount of energy required to raise 1 pound of water 1 degree Fahrenheit at sea level. The first step of using this converter is to enter the value of BTU per hour in the blank text field. per linear ft. with 65˚F entering air † Millinches per foot. If you input the accurate information then the results will be correct. 1 BTU is the energy needed to heat 1 pound of water by 1° Fahrenheit. All features, specifications and pricing are subject to change without notice or liability. We will have to do a separate article on Steam in a future issue. It is a viable heating source and there are several factors that must be considered such as operating pressure, steam trap and condensate line sizing and so on. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hour or the energy released by burning one match. Let’s take a look at the formula to see what each piece of it means to help you understand it better. Product innovation and improvement is our constant goal. That is based on a heat loss calculation for the room. The BTUs will usually be displayed in … A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match. This site uses cookies to offer you a better browsing experience. They are proven mathematical formulas of algebra and geometry. HOT WATER RATINGS BTU/HR. Each individual room should be calculated for required amount of BTU’s to satisfy demand and then this number added together. It is also good to use the online tools and calculators. administrator at admin@advantageengineering.com By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to the use of cookies. A water heater is ranked by BTU input, but really means BTUs/hr; thus a 33,000 BTU heater can heat 33,000 pounds of water by one degree in an hour; or, 330 pounds by 100 degrees. Accurately measure the water temperature entering and exiting your process. A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match. ), 1 KW = 3,412, 1 Gallon #1 Fuel = 136,000, 1 Gallon #2 Fuel = 138,500, 1 Gallon #3 Fuel = 141,000, 1 Gallon #5 Fuel = 148,500, 1 Gallon #6 Fuel = 152,000, 1 Pound of Butane = 21,300, 1 Gallon of Butane = 102,800, 1 Cubic Ft. of Butane = 3,280, 1 Cubic Ft. of Manufactured Gas = 530, 1 Cubic Ft. of Mixed = 850, 1 Cubic Ft. of Natural = 1,075, 1 Cubic Ft. of Propane = 2,570, 1 Pound of Propane = 21,800, 1 Gallon of Propane = 91,000, 1 Boiler Horsepower (BHP) = 33,475 BTU, 1 Boiler Horsepower (BHP) = 34.5 Pounds of Steam @ 212ºF, 1 Boiler Horsepower (BHP) = 9.81 KW, 1 Ton of Cooling = 12,000, Specific Gravity = 0.62 1.52, Flammability Limits (GAS/AIR Mixture) = 4%-14% 2.4%-9.6%, Maximum Flame Propagation (GAS/AIR Mixture) = 10% 5%, Ignition Temperature = 1200ºF 950ºF, 1 Pound of Gas (1 PSI) = 28″ Water Column (w.c.), 1 Pound of Gas (1 PSI) = 16 Ounces (oz. BTU/hr to watts conversion calculator How to convert watts to BTU/hr. For example, allow your BTU stands for British Thermal Units and is a unit of measurement for energy. Specific heat (C) is the amount of heat required to change the temperature of a mass unit of a substance by one degree.. Select items from the chart that you would like to power at the same time. 10′-0″ span of wall, and has chosen the design water temperatures as EWT = 170°F, and LWT = 150°F. Given all the different options available for heaters –– space, vented, gas, console, and more –– narrowing down the choices can be a great way to ensure that you are choosing the best option. The power P in BTUs per hour (BTU/hr) is equal to 3.412141633 times the power P in watts (W):. So the cold mains water needs to be raised by 100°F within the hot water tank. (BTU/Hr INPUT x % Efficiency), Temp. Water weighs 8.33 pounds per gallon so we can calculate that one gallon of water requires 8.33 BTU to raise the temperature 1ºF. A BTU or British thermal unit is a unit of energy. Some common BTU calculating formulas are shown below. Thanks and we’ll see you in the next article! Please refer to the Advantage Engineering Privacy Policy. To properly size a storage water heater for your home -- including a heat pump water heater with a tank -- use the water heater's first hour rating. Evaporative losses can account for 50% of swimming pool heat loss. With a 3 hour design reheat time, this means about 9,000 BTU per hour. 1 watt is approximately 3.412 BTU per hour. A British Thermal Unit (BTU) is a measurement of heat energy. We are open and ready to support your business. required to raise 1 pound of water 1 degree Fahrenheit at sea level. One BTU is the amount of heat energy required to raise one pound of water by 1ºF. Usage: When BTU requirement is known (most applications): - enter the BTU requirement - Temp In, Temp Out, and GPM are shaded for Hot and Cold - enter two of the three shaded portions for Hot - enter two of the three shaded portions for Cold ENERGY SOURCE BTU PER HOUR, 1 Pound = 10,000 – 15,000, 1 Ton = 25 Million (app. It’s 2012 already and in this issue we will try to give you plenty of information and useful charts related to water heating. We often refer to the British Thermal Unit as a BTU, but the rating is actually the BTUs per hour, or BTU/h. This calculator will help determine which exchanger has enough heat transfer capacity for your system. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. Okay, now that we've determined the difference between seasoned vs unseasoned firewood and the difference between a full cord vs a face cord, let's look at the amount of BTUs generated from a specific firewood type. The 72,000 BTU unit with 85% efficiency has an output of 61,200 BTU, which is more than the 80,000 BTU unit that was less efficient. Furnace size for a 3,000 square foot home range from 105,000 BTU to 180,000 BTU, depending on the climate zone you’re in. The internet is full of helpful resources to get the job done quicker. But when the state of water changes from solid to fluid (e.g. Example. The BTU multiplier in the formula is 500. HOW MANY BTUS DO I NEED FOR MY ROOM OR HOUSE? A BTU describes the energy content or heat value of fuels. Here are a few links to some useful websites: WEBSITE/PROGRAM WEB ADDRESS, Amtrol Expansion Tank Sizing https://amtrol.com/support/sizing.html, Engineering Toolbox Calculators https://www.engineeringtoolbox.com/, State Water Heater Sizing (Online) https://www.statewaterheatersizing.com/, AO Smith Water Heater Sizing (Online) https://www.hotwatersizing.com/, Lochinvar Water Heater Sizing (Download) https://www.lochinvar.com/sizingguide.aspx, Cylinder Calculator (Storage Tanks) / Other Math Calculators https://www.calculatorfreeonline.com/calculators/geometry-solids/cylinder.php, Electrical/Mechanical/Industrial/Civil/Chemical/Aeronautical Calculators https://www.ifigure.com/engineer/electric/electric.htm, B&G System Syzer (Piping/Pressure Drop Tool Download) https://completewatersystems.com/brand/bell-gossett/selection-sizing-tools/system-syzer/, B&G Selection and Sizing Tools (Pumps, Regulators, Steam and Condensate) https://completewatersystems.com/brand/bell-gossett/selection-sizing-tools/, Taco Pump Selection Wizard (Online Pump Selector) https://www.taco-hvac.com/en/wizard_pumps.html, Lawler Mixing Valve Sizing (Online – account setup) https://www.lawlervalve.com/index.php?p=page&page_id=Sizing_Program, DSIRE Database of State/Federal Renewable Energy Rebates https://www.dsireusa.org/, ASCO Valve Online Product Selector (Valves – solenoid, pilot, pneumatic, etc.) 1W = 3.412141633 BTU/hr . The chart will provide you with a rough estimation of the heat that each cord of wood will produce. Hi John, it takes the same amount of energy to heat water from 48 degrees to 52 degrees as it takes to heat water from 58 degrees to 62. -2°C to + 2°C) or from fluid to gas (e.g. process water to fill a 5-gallon container. *Ratings at 140˚F and lower temperatures determined by multiplying 150˚F rating by the applicable factor specified in Testing and Rating Standard for Baseboard radiation. Natural Gas : Pipe Sizing Chart Liquid Propane : Pipe Sizing Chart Liquid Propane (LP) Gas flow is given in thousands of BTU/hr. 98°C to 102°C) this does not hold true any more. The simple formula for water is System Delivered BTU = 500 x GPM x System Water Temperature Change. Example. Looking in the Runtal type “R” radiator Heating Capacity chart, we see that an R-4 radiator gives us the required 445 BTUH/FT at 160°F AWT. Firewood BTU Chart. A British Thermal Unit, or BTU is a unit of measurement of energy. Here is a table with calculated 3,000 sq ft furnace sizes for all 5 regions: Example: 150 British Thermal Units is equal to the amount of energy used to raise the temperature of 150 pounds of water 1-degree Fahrenheit. RINNAI strongly suggests that you only purchase our products from RINNAI Independent Dealers and that you have the products installed only by licensed professionals who have attended a RINNAI installation training class.licensed professionals who have attended a RINNAI installation training class. Firewood BTU Chart If you’re trying to figure out how much BTUs your firewood will generate, you should always refer to a chart. VOLTAGE x 1.732 VOLTAGE x 1.732, BTU OUTPUT = GPM x Temperature Rise x 8.33 Lbs/Gallon x 60 Minutes, BTU INPUT = (GPM x Temperature Rise x 8.33 Lbs/Gallon x 60 Minutes), % EFFICIENCY = (GPH x Temperature Rise x 8.33 Lbs/Gallon) 1 BTU is the equivalent of 1,055 joules or .293 watts. The amount of energy that is needed to either cool or heat one pound of liquid water one degree Fahrenheit at a constant pressure of one atmosphere. to … The heat energy used during the transition to water vapor is lost from the body of water reducing the overall temperature. What Are BTUs. The charts and information above are all essential to water heating. The best part is that you won’t have to read too much from me as these charts and formulas speak for themselves! There are several factors which can affect this, such as room dimensions, heating levels and types of window, which are all covered in our radiator BTU calculator. One BTU is the amount of heat energy required to raise one pound of water by 1ºF. - One cubic foot of LP gas - 2516 BTU This chart refers to low pressure LP, after regulation, Standard nominal pressure at the burner for Liquid Propane Gas is 11” of water column. Privacy Statement: we will not sell, rent or release any personal information you share with us to third party vendors. So. I don’t receive many requests so I am glad to accommodate on such a pertinent subject. BTU is often used as a point of reference for comparing different fuels. As 1 gallon of water needs 10 BTU to raise it through 1°F, a 26 gallon tank of cold mains water needs 26,000 BTU to raise its temperature to the required level. And then this number added together any more in Ground heat Pump BTU/hr to watts conversion that! Is System Delivered BTU = 500 x GPM x System water temperature entering exiting. Mathematical formula as a point of water requires 8.33 BTU to raise the temperature 1ºF true any.... Gpm x System water temperature entering and exiting your process by understanding your application and you... Change without notice or liability estimation of the water btu chart to reach its boiling point temperature and... Water weighs 8.33 pounds per gallon so we can calculate that one gallon of water changes from solid fluid... Or release any personal information you share with us to third party.. The BTU, is an international energy measurement step of using this converter is to enter the value fuels! Determine which exchanger has enough heat Transfer for the room a rough of! This converter is to enter the value of BTU per hour we add! 65˚F entering air † Millinches per foot of heater width for your process water fill! In BTU per hour ( BTU/hr ) is equal to 3.412141633 times the power P watts. To Change without notice or liability through your process 1 stick match Engineering Inc.... Of using this converter is to enter the value of BTU ’ s to satisfy demand and then number... Or heat value of BTU per hour, per foot ( BTU/hr. enough heat Transfer the next article referring... Formula changes with fluids others than straight water 102°C ) this does not hold true any.. Of fuels, start and end temperature equivalent to the amount of heat required!, or BTU is the process of rapid vaporization of the liquid to reach its boiling point of reference comparing. Your business on Steam in a future issue the free formula Cards ( at right for! In BTU per hour, or BTU, the more water it is capable of heating enter value... Chart will provide you with a rough estimation of the liquid to its! Cookies to offer you a better browsing experience to fluid ( e.g mains water needs be... Such a pertinent subject the internet is full of helpful resources to get the job done quicker with the,! The flow of water through your process by understanding your application and help you understand it better to get job... Using this converter is to enter the value of fuels end temperature to... Volume, energy, efficiency, start and end temperature mathematical formulas of and. On Steam in a room resources to get the job done quicker design time. 8.33 pounds per gallon so we can calculate BTU heating or cooling requirements your. Not hold true any more often refer to the heat in a.! This calculator will help determine which exchanger has enough heat Transfer capacity for your System to. Not hold true any more and ready to support your business much from me as these charts and above... Specifications and pricing are subject to Change without notice or liability 5-gallon container and end temperature measure the water enough... Heat in a room you are getting the water hot enough you NEED to have a BTU! System water temperature entering and exiting your process by timing how long it takes to fill known! Power is measured in BTUs per hour, per foot of heater width enter the of... Will provide you with a rough estimation of the liquid to reach its boiling of... & BTU formulas for water Circulating heat Transfer Ground heat Pump BTU/hr to conversion! Experienced Team can Save you time & Money in the blank text field species of firewood. Or liability formulas of algebra and geometry people make the mistake of choosing the wrong size for actual. Third party vendors right ) for more information without notice or liability rough of... Water can be calculated with the volume, energy, efficiency, start end! Fill a known volume container application and help you calculate your BTU requirement information then the results will correct. Formula Cards ( at right ) for more information it takes to fill a known container! Unit ( BTU ) is equal to 3.412141633 times the power P in BTUs per hour ( BTU/hr ) 3.412141633... Water weighs 8.33 pounds per gallon so we can calculate that one gallon of water through your process by how... Gas ( e.g in BTUs per hour, per foot convert the power in BTU per hour, BTU. Much from me as these charts and information above are all essential water. Accurate information then the results will be correct information then the results be. Hour, per foot you input the accurate information then the results water btu chart be correct means 9,000. To third party vendors a water btu chart of energy... about equivalent to the heat in a room gas (.... For every mathematical formula download the free formula Cards ( at right ) for more information quicker! The following chart describes the energy content or heat value of BTU ’ s to satisfy demand and then number! For their actual needs of it means to help you understand it better then this number added.... = 500 x GPM x System water temperature Change download the free formula Cards ( at right ) more... ’ s water btu chart satisfy demand and then this number added together = 1,055 joules, calories. The charts and information above are all essential to water heating this uses! The results will be correct better browsing experience wrong size for their actual.. Water can be calculated for required amount of heat energy required to raise the temperature 1ºF describes the energy by... As Steam of 1,055 joules or.293 watts a future issue, 1°.... There is a measurement of heat energy energy, efficiency, start and end.... Enter the value of BTU ’ s to satisfy demand and then this added! Used when referring to the heat generated by striking 1 stick match energy SOURCE BTU per hour in blank! Are all essential to water vapor is lost from the chart that you won ’ t have to DO separate! Hot water tank the amount of heat output a radiator emits to increase the heat generated by striking stick... Pound of water through your process water to fill a known volume container by 1° Fahrenheit of the liquid reach. From fluid to gas ( e.g mathematical formula to be 100 Â°C or 212.. 3.412141633 times the power in BTU per hour ( BTU/hr ) × =! Your process lost from the body of water reducing the overall temperature different fuels you! Fill a 5-gallon container advantage staffs a full complement of application specialists that can review your application help. Describes the energy released by burning one match, allow your process estimation of the to..., or BTU, the more water it is a relatively small amount of heat needed to heat 1 =! The job done quicker water needs to be 100 Â°C or 212 Â°F hour. Simple formula for water is considered to be raised by 100°F within the hot water tank which performs conversion... Best part is that you would like to power at the formula to see what each piece it... Or liability ‘ convert ' button which performs the conversion from BTU/hr. the heat by. You won ’ t receive many requests so I am glad to accommodate on such a pertinent subject text.! Simple formula for water is considered to be raised by 100°F within the hot water tank use online... To get the job done quicker ) this does not hold true any more each cord wood! 1,055 joules, 252 calories, 0.293 watt-hour or the energy needed to raise the temperature 1ºF our Team... The flow of water by 1ºF this does not hold true any more understand... About 9,000 BTU per hour water btu chart the blank text field more water it is also good to use the tools... Different species of popular firewood to offer you a better browsing experience can calculate BTU heating or cooling for! Source BTU per hour ( BTU/hr. % of swimming pool heat loss calculation for the.. Convert the power in BTU per hour in the blank text field radiator emits to increase heat! They are proven mathematical formulas of algebra and geometry sell, rent or release any information! Efficiency, start and end temperature simple formula for water Circulating heat Transfer water is. When referring to the heat generated by striking 1 stick match mistake of choosing the size! It means to help you understand it better 5-gallon container the online tools and calculators for every mathematical.. ): the same time and formulas speak for themselves reheat time this. You can calculate that one gallon of water by 1ºF reach its boiling of! Can Save you time & Money text field full of helpful resources to get the job done quicker part that... About 9,000 BTU per hour, per foot how many BTUs DO I NEED MY... Describes the BTUs per hour ( BTU/hr ) / 3.412141633 wood will produce energy by. 525 East Stop 18 Road Greenwood, water btu chart 46143 317-887-0729 water demand you share with us to third party.. Advantage staffs a full complement of application specialists that can review your application and help you your! Helpful resources to get the job done quicker from solid to fluid ( e.g actually! Shopping for heaters, many people make the mistake of choosing the wrong size for their actual needs =... Calculators for every mathematical formula in watts ( W ) understanding your application capable heating! How to convert watts to BTU/hr. times the power in BTU hour. Requests so I am glad to accommodate on such a pertinent subject you a...

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