# btu to heat water calculator

This HVAC Load Calculator quickly estimates the size of your heating and cooling system in BTU's. Advantage staffs a full complement of application specialists that can review your application and help you calculate your BTU requirement. A British Thermal Unit, or BTU is a unit of measurement of energy. When shopping for heaters, many people make the mistake of choosing the wrong size for their actual needs. You can calculate BTU heating or cooling requirements for your process by understanding your application. *Formula changes with fluids others than straight water. We often refer to the British Thermal Unit as a BTU, but the rating is actually the BTUs per hour, or BTU/h. X Temp. BTU Calculator for Weighed Water Test … A BTU is an abbreviation for British Thermal Unit, which is the amount of energy Copyright 2020 Total Home Supply. The calculator below can be used to calculate the liquid water specific heat at constant volum or constant pressure and given temperatures. Multiply that result by 12 to arrive at the required Btu-per-hour output of the heater. How to convert BTU/hr to watts. *SPECIAL* FibroPool 55,000 BTU In Ground Heat Pump Write this number down, and keep it handy as you examine your options. BTU (British Thermal Unit) Calculations. Furnaces are rated based upon how much thermal heat they can produce per hour (BTU/h), while air conditioners are rated based upon how much thermal heat they can remove per hour (BTU/h). See our. Determine the properly-sized gas tankless water heater for your next job here. Hydraulic Cooling For Injection Molding Press. Convert 20000 BTU/hr to watts: P (W) = 20000 BTU/hr / 3.412141633 = 5861.42W Take the guesswork out of garage heater sizing. We are open and ready to support your business. The output specific heat is given as kJ/(kmol*K), kJ/(kg*K), kWh/(kg*K), kcal/(kg K), Btu(IT)/(mol*°R) and Btu(IT)/(lb m *°R) Note! Let’s take a closer look at what this measurement is and why it matters to you as someone looking for a heater to buy. Answer a few questions about your energy source and garage and the garage heater calculator free tool recommends models that will do the job So, to heat 8.34 pounds of water we need 8.34 BTUs, which is the amount of heat energy needed to raise the temperature of one gallon of water by 1 degree. 8.34 POUNDS IN ONE GALLON. BTU = Flow Rate In GPM (of water) x (Temperature Leaving Process - Temperature Entering Process) x 500.4 *Formula changes with fluids others than straight water. 1 watt is approximately 3.412 BTU per hour. One BTU is the amount of energy required to raise the temperature of one pound of water by 1 degree Fahrenheit. Let’s take a look at the formula to see what each piece of it means to help you understand it better. required to raise 1 pound of water 1 degree Fahrenheit at sea level. process water to fill a 5-gallon container. When you size hot water baseboard heaters, you are not determining the physical dimensions of the equipment; you are determining the required heat output. 1 BTU is the equivalent of 1,055 joules or.293 watts. One is roughly equal to 1,055 Joules. Boiler BTU Calculator - Boiler Sizing Calculator - Boiler Sizing - Boiler BTU Calculator. Multiply the wattage of your unit by 3.41 per watt to calculate Btu. Our free Garage Heater Calculator takes the guesswork out of selecting a garage heater. Why Calculate BTUs? When you go to buy a heater, you will see that the BTUs are listed as a guideline for the heating capacity, and are usually broken down into different levels. British Thermal Units, or BTUs are a measurement of the energy required to raise the temperature of one pound of water by one degree. Cost To Heat Water Using Natural Gas A typical gas tank water heater is only 59% efficient. One BTU is equal to the energy needed to increase the temperature of one pound of water by one degree Fahrenheit. This is the standard measurement of heat output needed to heat any structure, therefore can measure radiator power. Now, we need to calculate the number of gallons in our swimming pool which measures 40’ x 30’ x 6’. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. In 2018, the United States used approximately 101.3 quadrillion BTU of energy. The best place to start when considering the purchase of a space heater for your home is to calculate the BTUs. The room’s length, width, ceiling height, and insulation, as well as the lowest outside temperature, are all considered on the Total Home Supply calculator. This site uses cookies to offer you a better browsing experience. Learn more about how Advantage Engineering, Inc. uses cookies by contacting the site VARIOUS FORMULAS FOR WATER HEATING CALCULATIONS % Efficiency = GPH X 8.25 X Temp. A standard electric room heater may have a rating of 1,500 watts. Use this formula to calculate BTU cooling required: BTU = Flow Rate In GPM (of water) x (Temperature Leaving Process - Temperature Entering Process) x 500.4*Formula changes with fluids others than straight water. L is the number of liters of water that is being heated and T is the difference in temperature from what you started with, listed in degrees Celsius. We here at Total Home Supply recognize the importance of this calculation, which is why we developed this on-site calculator to assist you. Input Specific Heat Btu/Output = GPH X 8.25 Lbs./Gal. ... BTU Calculator 1. Privacy Statement: we will not sell, rent or release any personal information you share with us to third party vendors. Essentially, hot water baseboard heaters work the same as older cast iron radiators, except they take up less space. The measure itself is very small, but it is the base calculation upon which energy use is built. See All Videos & Help. When you go to buy a heater, you will see that the BTUs are listed as a guideline for the heating capacity, and are usually broken down into different levels. All rights reserved. Boiling or Heating is the process of rapid vaporization of the liquid to reach its boiling point. One BTU is the amount of heat energy required to raise one pound of water by 1ºF. It takes 667 59% = 1131 Btu’s to heat a gallon of water with gas One therm is 100,000 Btu’s. Heating… Heat required (BTU) = m x C p x (Temperature Difference) Where C p is the heat capacity of water (1 BTU/lb/F) and m is the mass of the water (Assume 1 gal has 8.3 lb of water and the 3,412 BTU = 1 kWh) Pt is the power used to heat the water, in kWh. 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 simple formula for water is System Delivered BTU = 500 x GPM x System Water Temperature Change. Example. Shopping for a MANABLOC. Some garage heaters only list their heating capacity in watts, so it’s useful to be able to convert watts to BTUs and vice versa. 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. The BTU multiplier in the formula is 500. 1 BTU is the energy needed to heat 1 pound of water by 1° Fahrenheit. It has a number of different definitions all … Advantage Engineering, Inc. 525 East Stop 18 Road Greenwood, IN 46143 317-887-0729. For example, a workshop that needs 250,000 BTUs could be heated with THREE 90,000 BTU unit heaters. A BTU – or British Thermal Unit – is an approximation of the amount of energy required to heat 1lb (one pound) of water from 39°F to 40°F, and is roughly equal to 1.055 KJoules. In order for 20,000 gallons of pool water to heat 30 degrees, you would do the following calculations: 20,000 (gallons) x 8.3 (water constant) x 30 (temperature differential) = 4,980,000 total Btu. Please refer to the Advantage Engineering Privacy Policy. Rise X 1.0 Btu/Input = GPH X 8.25 X Temp. Types of Water Heaters. This BTU Calculator will determine what hearth product size is required with only a few steps and information such as square footage (sq ft). Water Heating Time Calculator. Evaporative losses can account for 50% of swimming pool heat loss. Evaluate the amount of BTUs needed to heat a space, taking into account several factors such as the insulation level and the desired temperature. A British Thermal Unit (BTU) is the measure of energy required to heat 1 pound of water 1 degree Fahrenheit. Calculate the kilowatt-hours (kWh) required to heat the water using the following formula: Pt = (4.2 × L × T) ÷ 3600. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hour or the energy released by burning one match. Simplified, a single BTU is more or less equal to the amount of heat and/or energy produced by … 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 1 BTU=1 DEGREE FARENHEIT INCREASE IN ONE POUND OF WATER. Calculate how many BTUs you need to heat a room or even a house with a wood-burning, pellet or gas fireplace, insert or stove. Wire Size Guide: What Size Wire Do I Need. P (W) = P (BTU/hr) × 0.29307107 = P (BTU/hr) / 3.412141633. If you have any further questions, click HERE to Contact Us! The BTU is specifically defined as the amount of heat required to increase the temperature of one pound of water by one °F. Now, divide this Btu total by 24 (hours) to determine the Btu/hour required to heat the water: 4,980,000 / 24 = 207,500 Btu per hour The heat load estimate is based on your climate region, total square footage, number of rooms or zones you want, ceiling height, insulation type, number of windows and doors. PT2M. Once you punch in that information, the calculator will tell you the BTU/hr required. A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match. Rise X 1.0 Btu/Hr. The BTU (British Thermal Unit) is a standard measure used for rating the energy output of appliances (such as heating and cooling systems) and for measuring energy consumption. Calculating the number of BTUs needed to heat an area Boiling time of water can be calculated with the volume, energy, efficiency, start and end temperature. One watt is equal to about 3.41 BTUs per hour. Some common BTU calculating formulas are shown below. Just multiple the BTUs by 0.92 to find the number of Watts needed. Our Experienced Team Can Save You Time & Money. Just make sure that the sum of the unit heater BTU output is greater than the calculated BTU requirements. For that reason, it can be helpful to have a numeric system that analyzes your personalized heating situation, and provides a benchmark that can be used while shopping to make the selection process a little more navigable. The heat-up load depends on the volume of the pool. Number of square feet Calculate the number of square feet to heat. British Thermal Units, or BTUs are a measurement of the energy required to raise the temperature of one pound of water by one degree. For example, allow your Conversely, if you oversize your heater with too many BTUs, you may be spending more money than necessary on your heating bill. Heat output is measured in BTUs, or British thermal units. The heat energy used during the transition to water vapor is lost from the body of water reducing the overall temperature. One BTU is defined as the amount of heat necessary to raise 1 pound (0.45 kg) of water 1F. PT1M30S. If you don’t determine the proper size of heater you should be looking for, you run the risk of your heater not effectively heating the space (or overheating it), causing the room to be either drafty or stuffy. Product innovation and improvement is our constant goal. Solve for Thermal Power BTU EXAMPLE: Incoming water 50F outgoing water 120F 120 - 50 = DELTA T 70F BTU's for 1 gallon of water is 70 (delta T) * 8.34 (pounds per gallon) = 583.8 BTU's Flow Rate 2 Gallons per Minute All features, specifications and pricing are subject to change without notice or liability. This calculator will help determine which exchanger has enough heat transfer capacity for your system. Boiling point of water is considered to be 100 Â°C or 212 Â°F. 1BTU/hour is equal to 0.293 watt. The volume can be calculated as:V = 7.5 l w d (2)whereV = volume (Gal)l = length (ft)w = width (ft)d = depth (ft)The heat-up load can be calculated ashheat-up = 8.34 V dTw / dt (3)wheredTw = difference between initial temperature and the final temperature of the water in the pool (oF)dt = heat pick-up time (hr) BTU CONTENT OF FUELS ENERGY SOURCE BTU PER HOUR 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:. More importantly, 0.29 BTUs per Watt. BTU is often used as a point of … This determination can also affect the heater’s longevity –– if your unit is operating improperly, that imbalance could shorten the length of time that the heater can be used for. This HVAC calculator is the closest estimate to the actual Manual J calculation done by HVAC pros. Heating a gallon of water thus requires 8.33 x 80 = 667 Btu’s, at 100% efficiency. Accurately measure the water temperature entering and exiting your process. One Btu is 0.00001 therms 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. Multiply your region's BTUs-per-hour-per-square foot requirement by the area of your floor to find the BTU requirement of the entire room. These calculators are some of the many tools available in our resource center to help you with your projects. Weighed Water TestMeasure the flow of water through your process by timing how long it takes to fill a known volume container. PTAC (Packaged Terminal Air Conditioners) Units, VTAC Units (Vertical Terminal Air Conditioners), Gas Fireplace and Stove Parts & Accessories, Snow Melt Cables / Freeze Protection Controls, Find the Best Garage Heater for Your Needs. Free shipping on orders over \$99 ... Water Heaters; Water Heater Parts; Well Tanks; Plumbing Resources. Step 4 Divide this number by the width of … Download the free Formula Cards (at right) for more information.