Amps to Watts Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the current and voltage.
- Press Calculate.
How it works
Power = current × voltage (W = A × V).
Worked example
5 A at 240 V. = 1,200 W.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.