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Amps to Milliamps Converter

1 A = 1,000 mA. Type any value to convert amps to milliamps.

1 A = 1,000 mA

Formula: mA = A × 1,000

Common values
Decimals
In every unit 5 units
Microampere (µA) 1,000,000 µA
Milliampere (mA) 1,000 mA
Ampere (A) 1 A
Kiloampere (kA) 0.001 kA
Abampere (abA) 0.1 abA

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Amps to milliamps table

Formula: mA = A × 1,000

Ampere (A)Milliampere (mA)
0.1 A100 mA
0.25 A250 mA
0.5 A500 mA
1 A1,000 mA
2 A2,000 mA
3 A3,000 mA
4 A4,000 mA
5 A5,000 mA
6 A6,000 mA
7 A7,000 mA
8 A8,000 mA
9 A9,000 mA
10 A10,000 mA
12 A12,000 mA
15 A15,000 mA
20 A20,000 mA
25 A25,000 mA
30 A30,000 mA
40 A40,000 mA
50 A50,000 mA
60 A60,000 mA
75 A75,000 mA
100 A100,000 mA
150 A150,000 mA
200 A200,000 mA
250 A250,000 mA
500 A500,000 mA
1,000 A1,000,000 mA

How to use: Amps to Milliamps

  1. 1 Type the value in amps.
  2. 2 The result in milliamps appears at once – or type in the milliamps field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of electric current.

About this tool

Ampere (A) is a unit of electric current (SI). Milliampere (mA) is a unit of electric current (SI); 1 mA = 0.001 A.

To convert amps to milliamps, multiply the value by 1,000 (mA = A × 1,000). Example: 16 A = 16,000 mA.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert amps to milliamps?

To convert amps to milliamps, multiply the value by 1,000: mA = A × 1,000. For example 16 A = 16,000 mA.

What is 1 A in milliamps?

1 A = 1,000 mA. The other way round, 1 mA = 0.001 A.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of electric current here?

Yes – choose any of the 5 units of electric current in the From and To lists, or switch to another measurement at the top.

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