3. BTU, or British Thermal Unit, is a unit used to measure energy requirements for thermal regulation. 1W = 3.412141633 BTU/hr . Within the tool you’ll find our Heat Loss & BTU Calculator, which helps you calculate the BTU (British Thermal Unit) that you require to effectively heat your room. £0.00 (inc. VAT) Choose Your Delivery Date . Call . A BTU is approximately the energy required to heat 1lb of water from 39°F to 40°F. One BTU is the amount of energy it takes to heat one pound of water by one degree Fahrenheit at sea level. Basket . Email. The calculator below can be used to calculate the liquid water specific heat at constant volum or constant pressure and given temperatures. Height. This is the standard measurement of heat output needed to heat any structure, therefore can measure radiator power. BTU/hr to watts conversion calculator How to convert watts to BTU/hr. 1 BTU is equivalent to 1055 joules. When calculating BTU’s required for an entire home, the calculation must include the “worst case scenario”. Enter your room dimensions in: Metres Feet . 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. BTU Calculator. These are the only two measurements you will need, and the two measurements that you will find reported for every radiator in our online store. This constant represents water being converted to steam, which is 34.5 pounds of water multiplied by 970.3 BTU/lb, or latent energy. The power conversion of kW to BTU IT /hr is given by the formula: P (BTU/hr) = 3412.142 ⋅ P (kW) Example. Insulated Closed space. Boiling time of water can be calculated with the volume, energy, efficiency, start and end temperature. The power P in BTUs per hour (BTU/hr) is equal to 3.412141633 times the power P in watts (W): P (BTU/hr) = 3.412141633 × P (W) So. It’s been developed by fireplace industry experts. Sign in . British Thermal Units (BTUs) are a unit of measurement by which the heat output of radiators can be determined. A specific radiator's heat output is measured in BTUs to work out the amount of energy required to heat one pound of water by one degree Fahrenheit. We're dedicated to our customers! Enter your room details below, along with a name, and save it to your Wish List to keep it for easy reference. A hot water cylinder can supply enough hot water for multiple taps, showers and baths without a loss of pressure. Select your room type: Dining room / Lounge / Bathroom. ENERGY SOURCE BTU PER HOUR. Feel free to use our BTU calculator below. Put, the higher the BTU output, the hotter the radiator or heated towel rail is going to be. 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 start with the basics - A BTU (or British Thermal Unit) is a traditional unit of heat which can be defined as the amount of energy required to heat 1lb of water up by 1 degree Fahrenheit. When the water or other liquid passes through the pipeline, the flow meter measures the instantaneous flow rate and sends it to the BTU meter then the temperature sensor measures the return pipe temperature and supply pipe temperature and also sends it to BTU meter. Water Heating Time Calculator. Boiling point of water is considered to be 100 °C or 212 °F. Extra Factors: Is your room North facing? BTU's Required. Customer Service. Depending on their functions, dimensions, wall materials and the number and size of their windows, some rooms in your home will require more heat than you might expect BTU stands for British Thermal Unit, and is the standard way to work out how much heat output is required to keep your room warm. Well insulated Enclosed space. To figure out how much heat you need from your radiator, you can use our handy calculator. or check out our Support Center. Number of square feet Calculate the number of square feet to heat. BTU is the standard measurement when it comes to choosing the radiator size and style. Mon-Fri 8:30-5pm . By considering the dimensions, the windows and the type of room – this measurement can be used to work out how much energy is required to heat the room to a standard temperature (ranging between 18oc to 23oc). If you took one pound of water and raised its temperature by one degree Fahrenheit, you would have used one BTU of energy. Temperature must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R to get valid values. Enter the power in kilowatts and press the Convert button: Enter power in kilowatts: kW : BTU/hr result: BTU/hr: How to convert kW to BTU/hr. A British Thermal Unit (BTU) is the measure of energy required to heat 1 pound of water 1 degree Fahrenheit. 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. Metric calculations . A single BTU value is determined by the amount of energy needed to raise 1 pound of water above sea level by 1oF, and is a calculation recognised around the world. Please note, this is a guide only. This gives you an indication of how many BTUs are required to heat a room, and in turn the specific radiator size that is required. 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. Calculate your heating needs using our specialised BTU Calculator to help you to choose the perfect Space heater for your building. Using this calculator, as well as providing information about which style of radiator you desire and the space you have available, you can instantly find radiators that will suit your needs. Search . Kilowatts (kW) to BTU/hr conversion calculator. Calculating the BTU for each room size is essential for maintaining energy efficiency in your home. As such, BTU provides a quick reference for the radiator output. BTU Calculator. This calculator is approximate because it doesn’t account for the many factors that impact heat loss in the swimming pool. Kitchen / Common Area. One is roughly equal to 1,055 Joules. BTU Calculator. A system boiler includes a hot water storage cylinder, whereas a regular boiler includes a cylinder and cold water tank. Calculate your room's BTU requirement. It is worth it to correctly calculate the BTU value needed to heat up a room. Outdoor temperatures, external walls, insulation, heated adjacent rooms (i.e. Example. Watts to BTU/hr conversion calculator. A radiator with insufficient output may never raise the temperature to that required. Call. This calculation translates the heat transfer input requirement to BHP. It is extremely important to know the exact BTU of the radiator you require to keep your house warm. Calculate Temperature Differential (?T°F) ?T°F = Incoming Water Temperature (°F) - Required Chill Water Temperature; Calculate BTU/hr. The minimum output is the most important number here. One BTU is equal to the energy needed to increase the temperature of one pound of water by one degree Fahrenheit. 0333 202 5981 . Outdoor temperature. Chat. You will see BTU used when referring to the amount of heat output a radiator emits to increase the heat in a room. 1 Ton = 25 … BTU/hr. BTU stands for British Thermal Units and is a unit of measurement for energy. Here, we will be dispelling the mystery behind the elusive BTU measurement and how you can use our BTU calculator to find out which radiator(s) will be perfect for your home! Operation of BTU Meter. The BTU/hour to Boiler Horsepower calculator is used to help size both steam and hot water boilers. Our BTU calculator is the best there is for fireplaces, stoves and inserts. Some rooms will need more heat, and others less; it depends on the size of the room, its function, and the number & type of windows in the room. Boiler BTU Calculator - Boiler Sizing Calculator - Boiler Sizing - Boiler BTU Calculator. Heating BTU Calculator When shopping for heaters, many people make the mistake of choosing the wrong size for their actual needs. Your room will require approximately 0 BTU's/hour. Insulation factor Calculate the insulation factor of the space to heat. A British Thermal Unit (BTU) is a measurement of heat energy. To do so, we divide the BTU/hour by a constant of 33,475. Plumbing & Heating Supplies. h total = total heat load (btu/hr, W) h surface = heat loss from pool through the surface - mainly evaporation of water (btu/hr, W) h heat-up = heat load required to increase the pool temperature (btu/hr, W) Heat-Up Load. Multiply the cubic footage of a room by 25 BTUs to determine the rough estimate of BTU requirements for the room. BTU . A higher BTU value means the radiator has a higher heat output. Hello. Air conditioners and heaters use units of BTU … Calculate The Size Of Your Radiators Using A BTU Calculator A quick and easy way to calculate the size of the radiator required for any room in your house is by measuring the room in cubic feet and then entering the information into a BTU (British Thermal Units) calculator found at the base of this page or using the table below to estimate the total BTU’s required to correctly heat your room. Kilowatts (kW) to BTU IT per hour, power conversion calculator. COAL. Login . The BTU Calculator. Browse Shop by Department . If … Free shipping on orders over $99 Your Zip: ... * Free slots for orders with water heaters, boilers and other bulky items only * Available in select areas of . Desired indoor temperature. 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