How quickly does a 1kW appliance use energy?

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Terrible with math and I barely understand the concepts but if my fridge is a 1kw fridge, how long of running it at its “maximum” would it take to use 8700kj(average adult recommendation)

Looking for the math to be explained too please.

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6 Answers

Anonymous 0 Comments

A 1 kW appliance uses 1kWh per hour. Converting 8700 kJ to kWh gives 2.4166667 kWh. Divide kWh by kW hives 2.41 hours or just under 2 hours 25 minutes.

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