Electric Charge Units

Find the right formula and tools for all charge units. We use official rules to make sure every calculation is correct.

All Electric Charge Unit Pairs

Pick a starting unit to see all possible conversion tools for electric charge.

Our Standard Unit: Coulomb (C)

We calculate all electric charge units based on the standard Coulomb (C). This helps us keep all our tools accurate and reliable.

Conversion Formulas

Below is the list of rules we use to calculate each electric charge unit. You can use these to understand the math behind our tools.

Millicoulomb

Formula: 1 Millicoulomb = 0.001 Coulomb
To do the math instantly, use our millicoulomb to coulomb or coulomb to millicoulomb tools.

Ampere-hour

Formula: 1 Ampere-hour = 3600 Coulomb
To do the math instantly, use our ampere-hour to coulomb or coulomb to ampere-hour tools.

All Systems

Compare these units against other measurement systems on our homepage.

All Unit Conversion Systems

Access our high-fidelity calculators for other measurement systems and engineering metrics.