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Convert between amperes, milliamperes, and microamperes
Ampere to Milliampere
| Ampere | Milliampere |
|---|---|
| 1 A | 1,000 mA |
| 5 A | 5,000 mA |
| 10 A | 10,000 mA |
| 25 A | 25,000 mA |
| 50 A | 50,000 mA |
| 100 A | 100,000 mA |
| 500 A | 500,000 mA |
| 1,000 A | 1.00e+6 mA |
Type the number you want to convert in the input field
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Quick reference for frequently used electric current conversions
1 A
= 1,000 mA
Ampere to Milliampere
1 mA
= 1,000 μA
Milliampere to Microampere
1 kA
= 1,000 A
Kiloampere to Ampere
1 nA
= 0.001 μA
Nanoampere
Understand electric current measurements with everyday examples
1 μA
Current through human skin
20 mA
LED indicator light
1-2 A
Phone charger
100 A
Car starter motor
Common questions about electric current conversion
There are 1,000 milliamperes (mA) in one ampere (A).
Electric current is the flow of electric charge, measured in amperes (A). One ampere equals one coulomb of charge passing a point per second.
Complete list of 23 electric current units supported