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Charge Converter

Convert electric charge between coulombs, ampere-hours, milliampere-hours, nanocoulombs, statcoulombs, and elementary charges.

Convert instantly
Enter a value and choose the units. Your answer updates as you type.

Result

1000 Millicoulomb (mC)

Quick reference
  • Coulomb (C)1 base units
  • Millicoulomb (mC)0.001 base units
  • Microcoulomb (µC)0.000001 base units
  • Nanocoulomb (nC)1e-9 base units
  • Picocoulomb (pC)1e-12 base units
  • Ampere-hour (Ah)3600 base units
  • Milliampere-hour (mAh)3.6 base units

About the Charge Converter

Electric charge is conserved in circuit analysis, battery capacity, electrochemistry, static discharge, and particle-scale measurements. The converter uses Coulomb (C) as its SI reference and retains full factor precision while you work, which avoids mixing dimensional prefixes or customary units in technical calculations.

Enter a value to see an immediate result—for example, 1 Millicoulomb (mC) equals 0.001 Coulomb (C). For adjacent calculations, the Current Converter and Electrostatic Capacitance Converter provide complementary dimensional checks.

Frequently asked questions

What is the SI reference for charge?

This page uses Coulomb (C) as the base unit, so every listed factor is a multiplier to that SI quantity.

When is a charge useful?

Electric charge is conserved in circuit analysis, battery capacity, electrochemistry, static discharge, and particle-scale measurements.

Are these charge factors exact?

SI prefixes and defined international units are represented with their standard factors; customary and CGS values are shown to the precision of their published definitions.

Take this calculation further

Browse the converters calculators collection for more tools in this subject.

For a related calculation, use Linear Charge Density Converter to convert linear charge density between C/m, mC/m, µC/m, C/cm, C/ft, and C/in. Alternatively, use Inductance Converter to convert inductance between henries, millihenries, microhenries, nanohenries, kilohenries, and abhenries.