Enter the total energy usage in kWh and the total cost into the calculator to determine the cost per kWh.

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## Cost Per KWH Formula

The following equation is used to calculate the Cost Per KWH.

CPKWH = TC / P

- Where CPKWH is the cost per kilo-watt-hour
- TC is the total cost ($)
- P is the total power consumption (kWh)

To calculate the cost per kWh, divide the total cost by the power consumption in kWh.

## What is Cost Per KWH?

Definition:

Cost per kWh is a measure of the cost per unit of power consumed by electronic devices.

The average cost of electricity in the United States is 12.88 cents per kilowatt hour (kWh). This means that the average household that consumes 1000 kWh per month will pay $128.80 for electricity, and residential customers who use 2,000 kWh of electricity in a month will have to pay $257.60.

## How to Calculate Cost Per KWH?

Example Problem:

The following example outlines the steps and information needed to calculate Cost Per KWH.

First, determine the total cost. In this example, the total cost is $112.00.

Next, determine the total power consumption in kilo-watt-hours. For this problem, the power consumption is 500 kWh.

Finally, calculate the cost per KWH using the formula above:

CPKWH = TC / P

CPKWH = $112 / 500

CPKWH = $.224/kWh