# Convert Coulombs to Ampere-hours

Enter your coulomb value in the form below to get the value calculated in ampere-hours.

**Results in Ampere-hours:**

## How to Convert Coulombs to Ampere-hours

Convert coulombs to ampere-hours with this simple formula:

Converting a coulomb electric charge measurement to an ampere-hour measurement involves multiplying the electric charge by the conversion ratio to find the result. One coulomb is equal to 0.000278 ampere-hours, so to convert simply multiply by 0.000278.

**For example:**

Coulombs and ampere-hours are both units used to measure electric charge.
Learn more about electric charge and
find more electric charge measurement conversion calculators.
Coulombs are an SI derived unit of electric charge and can be abbreviated as *C*, for example 1 C.
Ampere-hours are an electric charge measurement and can be abbreviated as *Ah*, for example 1 Ah.

## Coulomb Measurements and Equivalent Ampere-hour Conversions

Coulombs | Ampere-hours |
---|---|

1 C | 0.000278 Ah |

2 C | 0.000556 Ah |

3 C | 0.000833 Ah |

4 C | 0.001111 Ah |

5 C | 0.001389 Ah |

6 C | 0.001667 Ah |

7 C | 0.001944 Ah |

8 C | 0.002222 Ah |

9 C | 0.0025 Ah |

10 C | 0.002778 Ah |

11 C | 0.003056 Ah |

12 C | 0.003333 Ah |

13 C | 0.003611 Ah |

14 C | 0.003889 Ah |

15 C | 0.004167 Ah |

16 C | 0.004444 Ah |

17 C | 0.004722 Ah |

18 C | 0.005 Ah |

19 C | 0.005278 Ah |

20 C | 0.005556 Ah |

21 C | 0.005833 Ah |

22 C | 0.006111 Ah |

23 C | 0.006389 Ah |

24 C | 0.006667 Ah |

25 C | 0.006944 Ah |

26 C | 0.007222 Ah |

27 C | 0.0075 Ah |

28 C | 0.007778 Ah |

29 C | 0.008056 Ah |

30 C | 0.008333 Ah |

31 C | 0.008611 Ah |

32 C | 0.008889 Ah |

33 C | 0.009167 Ah |

34 C | 0.009444 Ah |

35 C | 0.009722 Ah |

36 C | 0.01 Ah |

37 C | 0.010278 Ah |

38 C | 0.010556 Ah |

39 C | 0.010833 Ah |

40 C | 0.011111 Ah |

## More Coulomb Electric Charge Conversions

- Convert to Millicoulombs
- 1 C is equal to 1,000 millicoulombs
- Convert to Microcoulombs
- 1 C is equal to 1,000,000 microcoulombs
- Convert to Nanocoulombs
- 1 C is equal to 1,000,000,000 nanocoulombs
- Convert to Picocoulombs
- 1 C is equal to 1,000,000,000,000 picocoulombs
- Convert to Electron Charge
- 1 C is equal to 6,241,500,000,000,000,000 electron charge
- Convert to Milliampere-hours
- 1 C is equal to 0.277778 milliampere-hours