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Millicoulomb Converters

Convert millicoulombs (mC) to coulombs, microcoulombs, nanocoulombs, picocoulombs, ampere-hours, and other electric charge units.

What this tool does

Convert millicoulombs (mC) to coulombs, microcoulombs, nanocoulombs, picocoulombs, ampere-hours, and other electric charge units. Type an amount in millicoulombs, choose the units, and the tool converts it to coulombs. It offers 10 electric charge units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one from 10 options, including Millicoulomb, Coulomb, Microcoulomb, Nanocoulomb, Picocoulomb, Ampere-hour. Starts as Millicoulomb.
  • To: Choose one of the same 10 units as "From". Starts as Coulomb.

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 millicoulombs to coulombs:

  • 1 mC = 0.001 C
  • 5 mC = 0.005 C
  • 10 mC = 0.01 C
  • 50 mC = 0.05 C
  • 100 mC = 0.1 C

Multiply the number of millicoulombs by 0.001 to get coulombs. Both units are exact definitions, so 0.001 is the exact factor: 1 mC = 0.001 C.

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

Limitations

  • Converts units of electric charge only. It does not turn charge into energy, because that also needs a voltage.
  • Abcoulomb and statcoulomb are historical CGS units, listed for completeness.

FAQs

Q: How many coulombs is one millicoulomb?
A: One millicoulomb is 0.001 coulomb (one thousandth of a coulomb).
Q: How many millicoulombs are in a milliampere-hour?
A: One milliampere-hour is 3600 millicoulombs.
Q: What is a statcoulomb?
A: A statcoulomb (also called a franklin) is the unit of charge in the CGS electrostatic system. One statcoulomb is about 3.3356 × 10⁻¹⁰ coulomb.

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