App description

Inch voltage drop calculation

Enter any three values and click on "Calculate

Metric voltage drop calculation

Enter any three values and click "Calculate".

Electric power calculation

Enter any two values and click "Calculate".

Calculation of battery power discharge time

Enter any two values and click "Calculate".

Usage example

Metric voltage drop calculation

Load current (A): 12 wire diameter (mm): 120

Wire length (m): 450    Click "Calculate", wire voltage drop (V): 0.02

Note

This calculator is used to calculate the voltage drop of copper wire. It refers to the result of a single copper wire and the ambient temperature is 25 degrees. The calculation result is for reference only. Please use it carefully.