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The formula you are looking for is Watts = Amps x Volts.

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14y ago
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6mo ago

To calculate the watts used by the refrigerator, multiply the amperage by the voltage. Assuming a standard household voltage of 120V, a 4.5 amp refrigerator would use approximately 540 watts (4.5 A * 120 V = 540 W).

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Q: How many watts does a 4.5 amp refrigerator use?
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How many watts does a 4.50 amp refrigerator use?

Probably about 450 watts. Since the primary use of power in a refrigerator is for a motor the watts it uses are less than the amps that pass through it. <<>> Assuming that the refrigerator uses 120 volts for a supply voltage, then W = A x V. 4.5 x 120 = 540 watts


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