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Charge converter

Convert electric charge in coulombs and ampere-hours.

Unit converter
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1 C = 1000 mC

Results rounded to 12 significant digits.

All charge conversions

Choose your starting unit. Each direction has its own calculator, formula, and examples.

Using charge measurements

Charge is current integrated over time. An ampere-hour is exactly 3600 coulombs. Battery energy additionally depends on voltage and cannot be found from charge alone. Carry the same physical assumptions into subsequent physics calculations.

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