Electric Current

Convert milliamps to amps

1 milliampere equals 0.001 amperes. Enter a value below to convert instantly.

1 mA
0.001 A

Multiply the number of milliamperes by 0.001 to get amperes. How this is calculated

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Need the other direction? Convert ampere to milliampere →

Formula

Multiply the number of milliamperes by 0.001 to get amperes.

Step by step

  1. Start with 1 mA.
  2. Multiply by the conversion factor 0.001.
  3. 1 × 0.001 = 0.001 A.

Milliamperes to Amperes conversion table

Conversion table from Milliamperes to Amperes
Milliamperes (mA) Amperes (A)
1 0.001
2 0.002
5 0.005
10 0.01
20 0.02
50 0.05
100 0.1

Convert Milliampere to other electric current units

1 mA expressed in every other electric current unit on this site.

  • Ampere A 0.001
  • Kiloampere kA 0.000001
  • Megaampere MA 1e-9
  • Microampere µA 1,000
  • Nanoampere nA 1,000,000
  • Picoampere pA 1,000,000,000
  • Abampere abA 0.0001
  • Statampere statA 2,997,924.5
  • Coulomb per Second C/s 0.001
  • Gilbert Gi 0.0012566371

About the milliampere

The milliampere (mA) is a SI unit of electric current.

About the ampere

The ampere (A) is a SI unit of electric current. The SI base unit of current, fixed by the elementary charge e = 1.602176634 × 10⁻¹⁹ C.

Where this conversion is used

Converting milliamperes to amperes comes up when electronics, wiring, and power systems.

Related conversions

Frequently asked questions

How many amperes are in a milliampere?

One milliampere equals 0.001 amperes.

How do you convert milliamperes to amperes?

Multiply the number of milliamperes by 0.001 to get amperes.

What is 1 ampere in milliamperes?

One ampere equals 1,000 milliamperes.

When would I convert milliamperes to amperes?

This conversion is common when electronics, wiring, and power systems.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.