# Electrical Power

Calculators and formulas for calculating the electrical power

### Electrical Power calculator

This function calculates the relationship between electrical power, voltage and current.

To perform the calculation, use the radio button to select which value should be calculated. Then enter the required values and click the 'Calculate' button.

Electrical power calculator

 What should be calculated? Power Voltage Current Input Voltage µV mV V kV Power GW MW kW W mW Current µA mA A kA Decimal places 0 1 2 3 4 6 8 10
 Result Power Voltage Current

## Electric power formulas

#### Electrical power

$$\displaystyle power= voltage · current$$

$$\displaystyle P=U·I$$

#### Voltage

$$\displaystyle U=\frac{P}{I}$$

#### Current

$$\displaystyle I=\frac{P}{U}$$