Elementary Charge to Franklin Conversion

Convert between Elementary Charge and Franklin quickly and accurately.

e
Fr

How to Convert Elementary Charge to Franklin

Conversion Formula

1 e = 5E-10 Fr
1 Fr = 2084775595 e

Example

Convert 15 e to Fr:

15 e = 15 × 5E-10 Fr = 7E-9 Fr

Unit Information

Learn about the charge units you're converting between

Elementary Charge

e

Definition

Elementary charge is the electric charge carried by a single proton or electron, approximately 1.60217733E-19 coulombs. It is the fundamental unit of electric charge.

History/Origin

Elementary charge was first measured by Robert Millikan in his oil drop experiment (1909). It represents the smallest unit of electric charge in nature.

Current Use

Fundamental in quantum physics, particle physics, semiconductor physics, and calculations involving individual charged particles or quantum systems.

Multiplier

2E-19

Offset

0

Franklin

Fr

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

0

Elementary Charge to Franklin Conversion Table

Elementary Charge [e] Franklin [Fr]
1 e 5E-10 Fr
10 e 5E-9 Fr
25 e 1E-8 Fr
50 e 2E-8 Fr
100 e 5E-8 Fr
0 e 0E+0 Fr
-10 e -5E-9 Fr
-40 e -2E-8 Fr