Enter the voltage of the outlet, breaker amps, and power usage (watts) into the calculator. The calculator will evaluate and display the percent load.
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Electricity Load Calculator
The following equation can be used to calculate the percentage load on a circuit breaker.
L = P / V*A *100
- Where L is the % load
- V is the voltage
- A is the amps
- P is the current power usage
Electricity Load Definition
An electricity load is a measure of the total percentage of available load that an application is using up.
Electricity Load Example
How to calculate electric load
- First, determine the power
Determine the total amount of power being drawn from the outlet.
- Next, determine the volts and amps of the outlet.
This will be the standard voltage and amps the outlet produces.
- Calculate the % load
Calculate the $ load used the information from steps 1 and 2 and the formula above.
FAQ
The electricity load is the total percentage of the max output of a outlet that is currently being used. For example if the max output is 120 volts at 1 amp, and you’re using 60 watts, then the usage would be 50%.

