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Milliamperes to Amps Converter

Convert milliamperes (mA) to amperes (A) with instant results, plus other electric current units.

What this tool does

Convert milliamperes (mA) to amperes (A) with instant results, plus other electric current units. Type an amount in milliamperes, choose the units, and the tool converts it to amperes. It offers 4 electric current units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Microampere, Milliampere, Ampere, Kiloampere. Starts as Milliampere.
  • To: Choose one of the same 4 units as "From". Starts as Ampere.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from milliamperes to amperes:

  • 1 mA = 0.001 A
  • 5 mA = 0.005 A
  • 10 mA = 0.01 A
  • 50 mA = 0.05 A
  • 100 mA = 0.1 A

Multiply the number of milliamperes by 0.001 to get amperes. Both units are exact definitions, so 0.001 is the exact factor: 1 mA = 0.001 A.

Sources: Milliampere: SI Brochure, 9th edition (2019, updated 2022), Table 7 (SI prefixes). Ampere: SI Brochure, 9th edition (2019).

Limitations

  • Converts the unit of an electric current only. It does not work out current from power, voltage or resistance.

FAQs

Q: How do I convert milliamperes to amps?
A: Divide the milliamperes by 1000. For example, 250 milliamperes is 0.25 amp.
Q: How do I convert amps to milliamperes?
A: Multiply the amps by 1000. For example, 0.5 amp is 500 milliamperes.
Q: Can I convert amps to milliamperes here?
A: Yes. Choose ampere in the From box and milliampere in the To box.

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