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Tools / Energy / Electricity Cost Calculator

On this page:

  1. Electricity Cost Calculator
  2. How is electricity cost calculated?

This calculator allows you to calculate the daily, monthly, and yearly costs of your electrical equipment and devices.

Add multiple appliances and devices and see the total costs below.

p
Watts

kWh

Hours

kWh
Cost per 10 mins:-
Cost per day:-
Cost per month:-
Cost per year:-
Total cost per day:
£0.00
Total cost per month:
£0.00
Total cost per year:
£0.00

How is electricity cost calculated?

To calculate how much a device or appliance costs to run, simply multiply the amount of energy used (kWh) by the unit cost of one kWh.

For example

If an oven uses 2100 watts of electricity, or 2.1 kWh, and you use the oven for 2 hours, then you will have used 4.2kW. If the unit cost of 1 kWh is 34p for example, you just need to multiply 34p by 4.2.

34p x 4.2 = £1.43
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