![]() Example: You can check a list of the best quietest space heaters here. We use BTU to watt conversion quite a lot in our rankings. However, to get a feeling of how much warmth the heater can produce, BTU output is a more useful specification. Knowing the wattage of an electric heater is very useful when trying to estimate how much does it cost to run an electric heater (electricity costs). ![]() In short, how many BTUs is a 1500 watt heater? 1500 watt space heater can produce 5,118 BTUs. You can calculate that yourself by hand like this: Using the conversion calculator above, we can see that a 1500-watt heater puts out 5118 BTU of heating output: That’s how we can actually get a more realistic idea of how powerful a heater we have (because in the US, we use BTUs more commonly than watts for heating output). In most cases, it makes more sense to get an idea of how many BTUs does a 1500-watt heater put out. Most electric space heaters are 1500-watt heaters. Example 3: How Many BTUs Does A 1500 Watt Heater Put Out? Most manufacturers would round that up as either a 68,000 BTU or 70,000 BTU electric furnace. You can see that using the watt to BTU conversion calculator above gives us the same result: Let’s say we have a 20,000-watt electric furnace. In that case, it’s useful to convert watts to BTUs to get a grip on what size of the furnace are we talking about. In the case of electric furnaces, however, the output can be expressed in watts. The heating output of furnaces is most commonly expressed in BTUs. Example 2: Many BTU Is A 20,000 Watt Furnace? You can check a list of the best portable air conditioners here. That means we can say that 3,500-watt portable AC is basically a 12,000 BTU portable AC. All manufacturers will round that up to 12,000 BTU. In practice, you won’t find an 11,942 BTU portable AC. That means that we can calculate how many BTU is 3,500 watts like this ģ,500 watts * 3.412 BTU/watt = 11,942 BTU We can start by knowing that one watt is equal to 3.412 BTU. How many BTUs is that?Īnswer: We can calculate by hand or using the calculator above.Ĭonverting 3,500 watts to BTUs by calculator: If a European AC manufacturer is selling portable AC in the US, they have to convert watts to BTUs, as per regulations.Įxample: Let’s say that we have a 3,500-watt portable air conditioner. ![]() In Europe and Asia, however, they often use watts (or kilowatts you can check kW to BTU conversion calculator here) to specify how powerful a portable AC is. You will find 8,000 BTU, 10,000 BTU, 12,000 BTU, 15,000 BTU portable air conditioners, for example. In most cases, especially across the US, you will see that the cooling capacity of portable AC units is expressed in BTUs. ![]() Portable air conditioners are one of the most popular kinds of AC units. Let’s solve a few examples to demonstrate how to calculate the number of BTU from watts by hand and using a calculator: Example 1: How Many BTU Does 3,500 Watt Portable Air Conditioner Produce? On top of that, we have calculated the most common BTU to watts and made a summary of them in the conversion table here: Watts-To-BTU Conversion Chart For 500W To 20,000W Watts: You can answer all of these questions pretty easily using the watts to BTUs unit conversion calculator above. “How many BTU is (NUMBER OF WATTS) watts?”īasically, we want to know how many BTU is 500W, 1,000W, 2,000W, and so on. We will solve a few examples of how to convert watts to BTU for an air conditioner, a furnace, and a space heater below.īut first, let’s address the question most people have when it comes to watts to BTUs conversion. Using the watt to BTU calculator, you can simply input (or slide the slider) the number of watts and you will get how many BTUs is that. You can use freely use it for simple unit conversion in HVAC or for any other purpose: Watts To BTU Conversion Calculator Here’s the answer:īased on this simple conversion, we can design a simple-to-use watt to BTU calculator. Basically, we only need to know how many BTUs are in 1 watt. Just use the ‘Watt To BTU’ calculator you will find below. both watts and BTU/hr are power units), we can convert them or use them interchangeably if we follow the conversion rules. ![]() When we have two units representing the same quantity (ie. In practice, when we talk about BTU, we’re also referencing BTU/hr or BTU per hour (unit of power, not heat). 1 BTU is defined as the amount of heat required to raise the temperature of 1 lb of water by 1☏. Watt is a SI unit of power equivalent to J/s (joule per second).īTU or British Thermal Unit is a part of US customary units. We need to convert watts to BTU when it comes to different HVAC devices (including air conditioners, furnaces, and so forth). BTU (British Thermal Unit) is a unit of heat. ![]()
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