# How to convert amps to milliamps

How to convert electric current from amps (A) to milliamps (mA).

### amps to milliamps calculation formula

The current I in milliamps (mA) is equal to the current I in amps (A) times 1000 milliamps per amp:

I(mA) = I(A) × 1000mA/A

So milliamps are equal to amps times 1000 milliamps per amp:

milliamp = amp × 1000

or

mA = A × 1000

#### Example

Convert current of 3 amps to milliamps:

The current I in milliamps (mA) is equal to 3 amps (A) times 1000mA/A:

I(mA) = 3A × 1000mA/A = 3000mA

How to convert milliamps to amps »

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