Battery Charge Converters
Convert battery charge values between mAh, Ah, kAh, C, A s, A min, and coulomb prefixes using exact coulomb-based relationships.
Available converter families
Microamp-hours (uAh) to other battery-charge units
Use this group for very small-capacity electronics where charge values are tracked in microamp-hours.
Milliamp-hours (mAh) to other battery-charge units
Use this group for phones, wearables, and power banks where nominal capacity is usually expressed in mAh.
Amp-hours (Ah) to other battery-charge units
Use this group for larger packs such as automotive, marine, UPS, and energy-storage systems rated in Ah.
Kiloamp-hours (kAh) to other battery-charge units
Use this group for high-capacity industrial-scale charge values where Ah units are aggregated into kAh.
Coulombs (C) to other battery-charge units
Use this group for SI-native electric-charge conversions anchored on the exact definition of the coulomb.
Millicoulombs (mC) to other battery-charge units
Use this group when handling low-level laboratory or component-scale charge measurements in millicoulombs.
Microcoulombs (uC) to other battery-charge units
Use this group for fine-grained electronic charge quantities where microcoulomb precision is required.
Nanocoulombs (nC) to other battery-charge units
Use this group for ultra-small charge values common in sensors, signal circuits, and electrostatic contexts.
Ampere-seconds (A s) to other battery-charge units
Use this group for current-time based SI charge conversions where ampere-seconds map directly to coulombs.
Ampere-minutes (A min) to other battery-charge units
Use this group when charge is expressed over minute-scale current intervals and needs normalization to SI or battery units.
Kilocoulombs (kC) to other battery-charge units
Use this group for larger SI charge quantities where values are easier to read in kilocoulombs.
Megacoulombs (MC) to other battery-charge units
Use this group for very large charge totals where megacoulombs provide compact SI-scale representation.
Explanation
Battery charge is normalized through coulombs (C), where 1 A s = 1 C exactly and 1 Ah = 3600 C exactly. This hub keeps mirror pages for every direction so battery-capacity lookups can match query intent directly while preserving exact SI scaling.
Battery Charge pages are organized by conversion direction so mirror leaves remain aligned and comparable.
Read more
Open a family hub to reach leaf pages with direct answers, calculator output, and reverse links built on the same constants.
Frequently Asked Questions
Is mAh a unit of energy?
No. mAh is charge. To convert mAh to Wh you also need voltage, because energy depends on both charge and voltage.
Why are ampere-seconds and coulombs equivalent?
They are the same SI charge unit definition: 1 ampere-second equals 1 coulomb.
Are these conversions exact?
Yes. Every factor is derived from exact SI relationships between ampere-hours and coulombs.