Watts 2 Amps Extended (free)
Convert Watts into Amps at the click of a button
Watts 2 Amps converts Watts into Amps, for the iPhone, iPod and iPad. Also includes a QR Code Scanner.
A simple electrical calculator, enter your watts and volts values press calculate and the result in amps will be shown.
For iOS, Android & Windows (app may differ across platforms)