Divide your milliamperes by 1000 and you get the answer in amperes.
1000 mA = 1A
Milli amp or Milli-ampere is a measurement of current. The base unit is Ampere or amp and the Milli amp is 1/1000th of an amp. The correct spelling is milliampere -no hyphen!
You also need to know the Voltage and wattage.Amps= Watts / Volts.Try this iPhone App "Watts2Amps"
1000
1 milliamp is 1,000 microamps.