Attojoule to Joule Conversion

Convert between Attojoule and Joule quickly and accurately.

aJ
J

How to Convert Attojoule to Joule

Conversion Formula

1 aJ = 1E-18 J
1 J = 1E+18 aJ

Example

Convert 15 aJ to J:

15 aJ = 15 × 1E-18 J = 2E-17 J

Unit Information

Learn about the energy units you're converting between

Attojoule

aJ

Definition

A Attojoule is a unit of Energy in the metric system, equal to one quintillionth of the base unit. It is used for theoretical physics and quantum mechanics and provides precise measurements for applications requiring quantum scales accuracy.

History/Origin

The Attojoule was introduced as part of the metric system with the prefix "atto-" derived from Greek or Latin roots. It became important for measurements requiring theoretical physics and quantum mechanics and provides a standardized unit for quantum scales applications.

Current Use

The Attojoule is used in scientific research, industry, and technology for theoretical physics and quantum mechanics. It provides precise measurements for applications requiring quintillionth-scale accuracy and is essential for quantum scales measurements in various fields.

Multiplier

1E-18

Offset

0

Joule

J

Definition

The joule (symbol: J) is the SI base unit of energy, work, and heat. It is defined as the work done when a force of one newton moves an object one meter in the direction of the force. One joule equals one newton-meter or one watt-second.

History/Origin

The joule was named after James Prescott Joule (1818-1889), an English physicist who established the mechanical equivalent of heat. It was officially adopted as the SI unit of energy in 1948, replacing the calorie in scientific contexts.

Current Use

Joules are used universally in physics, engineering, and chemistry for measuring energy, work, and heat. Applications include electrical energy calculations, mechanical work, thermal energy, and energy efficiency measurements in all scientific and industrial fields.

Multiplier

1

Offset

0

Attojoule to Joule Conversion Table

Attojoule [aJ] Joule [J]
1 aJ 1E-18 J
10 aJ 1E-17 J
25 aJ 3E-17 J
50 aJ 5E-17 J
100 aJ 1E-16 J
0 aJ 0E+0 J
-10 aJ -1E-17 J
-40 aJ -4E-17 J

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