They were left in this form so that you could calculate a more accurate conversion factor. You can check the results with the formula: Q/t (4181.3 J/kg·K × 1kg × 40K)/600s 278.75 W You can click on the advanced mode of the calculator to define the temperature change based on an initial and final temperature. For example, converting calorie per hour (IT) to watts, 4.0 is 4.1868 divided by 60, divided by 60 which is equal to 0.001163. The required watts to heat the water in that time should be 278.75. Note that you must first complete the operations in the Multiply By column in order to have the correct factor. So, to convert directly from BTU/h (th) to cal/s (th) you multiply by 0.069998829. Or, you can find the single factor you need by dividing the A factor by the B factor.įor example, to convert from BTU/h (th) to cal/s (th) you would multiply by 0.2928751 then divide by 4.184. To convert among any units in the left column, say from A to B, you can multiply by the factor for A to convert A into W then divide by the factor for B to convert out of W. Watts, Volts, Amps & Ohms Calculator Fill in any two of the fields then, click on the button calculate. Here is the answer to the question:5/8 as percent or how to convert 5/8 to percent. Convert between Volts, Amps, Watts Calculator. To convert from W into units in the left columnĭivide by the value in the right column or, multiply by the reciprocal, 1/x.ġ4.653555 W / 0.2930711 = 50 BTU/h Temperature Converter Volume / Capacity Converter Volts, Amps, Watts & Ohms Calculator. Multiply by the value in the right column in the table below.ĥ0 BTU/h * 0.2930711 = 14.653555 W Here you use Stephan Boltzman is used to calculate Watts/m2 as a function of Temperature StefanBoltzmann law - Wikipedia. To simply convert from any unit into W, for example, from 50 BTU/h, just Where S is our starting value, C is our conversion factor, and Wattage required to melt a solid to a liquid at constant temperature: Watts. How to Convert Units of Power and Heat FlowĬonversions are performed by using a conversion factor. By knowing the conversion factor, converting between units can become a simple multiplication problem: What if you don’t have one of them or you have the resistance value of the circuit.Convert among units of power and heat flow. Power (P) = Voltage (V) x Current (I)Īs, we know this calculator calculates the Power in Watts using the current and voltage value. Where, P represent Power, V represents Voltage and I represents Current. The formulas follow the Watts’s law triangle, By using this formula you can even calculate the voltage and current if you have the other two values. Find out the power rating of your microwave Your microwave will have a certain power rating in Watts (W). However, like watts calculator, watts, amps, volts calculator is available in the market to provide the electric detail and the. Just follow the 3 steps below and use the quick Microwave Power Time Conversion lookup table to find out how much time you should set your microwave oven timer to to cook your food properly. by using the watts formula, you can check and calculate the accurate electric measurements of your tool. The Calculator works on the Watt’s Law formula given below: Power (P) = Voltage (V) x Current (I) Watt’s LawĪccording to the Watt’s Law the total power of the circuit is equal to the product of the current and voltage of the circuit. The voltage V in volts (V) is equal to the square root of the power P in watts (W) times the resistance R in ohms (): Watts calculation. The electric resistance conversion formula. To simply convert from any unit into W, for example, from 50 BTU/h, just multiply by the value in the right column in the table below. This calculator will help you in finding the value of the Power (in watts) of the circuit by using Voltage and Current value. Where S is our starting value, C is our conversion factor, and E is our end converted result. You can also enter any two known values to calculate the third one, this way you can use it to convert Ampere to watts or voltage to watts or can also use it to convert Watts to voltage or watts to Ampere. Enter Current and voltage values to calculate the Power in Watts.
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