Elementary Charge to Ampere-Second Conversion

Convert between Elementary Charge and Ampere-Second quickly and accurately.

e
A·s

How to Convert Elementary Charge to Ampere-Second

Conversion Formula

1 e = 2E-19 A·s
1 A·s = 6E+18 e

Example

Convert 15 e to A·s:

15 e = 15 × 2E-19 A·s = 2E-18 A·s

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

Ampere-Second

A·s

Definition

Ampere-second is a unit of electric charge equal to the charge transferred by a current of one ampere flowing for one second, equivalent to one coulomb.

History/Origin

Ampere-second is the fundamental definition of the coulomb, representing the charge transferred by one ampere of current in one second.

Current Use

Used as an alternative expression for coulomb in electrical engineering, particularly in calculations involving current and time relationships.

Multiplier

1

Offset

0

Elementary Charge to Ampere-Second Conversion Table

Elementary Charge [e] Ampere-Second [A·s]
1 e 2E-19 A·s
10 e 2E-18 A·s
25 e 4E-18 A·s
50 e 8E-18 A·s
100 e 2E-17 A·s
0 e 0E+0 A·s
-10 e -2E-18 A·s
-40 e -6E-18 A·s