Franklin to Ampere-Hour Conversion

Convert between Franklin and Ampere-Hour quickly and accurately.

From Franklin

To Ampere-Hour

A·h

How to Convert Franklin to Ampere-Hour

Conversion Formula

1 Fr = 9E-14 A·h

1 A·h = 1E+13 Fr

Example

Convert 15 Fr to A·h:

15 Fr = 15 × 9E-14 A·h = 1E-12 A·h

Unit Information

Learn about the charge units you're converting between

Franklin

Definition

Franklin is a unit of electric charge in the CGS electrostatic system, equal to approximately 3.335640951982E-10 coulombs. It is named after Benjamin Franklin.

History/Origin

Franklin was named after Benjamin Franklin (1706-1790), who conducted pioneering experiments with electricity. It was defined in the CGS electrostatic system.

Current Use

Rarely used in modern applications, mainly in historical contexts and some specialized electrostatic calculations. The coulomb has replaced it in most scientific work.

Multiplier

3E-10

Offset

Ampere-Hour

A·h

Definition

Ampere-hour is a unit of electric charge equal to the charge transferred by a current of one ampere flowing for one hour, equivalent to 3,600 coulombs.

History/Origin

Ampere-hour was introduced as a practical unit for measuring battery capacity and electrical charge in time-based applications. It combines current (ampere) with time (hour).

Current Use

Widely used for measuring battery capacity, electric vehicle range, and electrical energy storage. Common in automotive, electronics, and renewable energy applications.

Multiplier

3600

Offset