What does exajoule per second measure?

Exajoule per second is a unit of power indicating energy flow at 10^18 joules every second, used to represent extremely large-scale energy rates in astrophysics and planetary science.

How small is an attojoule per second?

An attojoule per second is a very small power unit equal to 10^-18 joules transferred each second, relevant for quantum and nanoscale energy measurements.

Why would I convert between EJ/s and aJ/s?

Converting between these units helps compare vastly different power scales, such as planetary or stellar-level energy rates versus nanoscale or quantum energy transfers.

How to Convert from Exajoule/second [EJ/s] to Attojoule/second [aJ/s]?

Learn how to convert power measurements from exajoule per second (EJ/s) to attojoule per second (aJ/s), bridging extremely large and extremely small units of energy flow.

Exajoule/second [EJ/s]

Attojoule/second [aJ/s]

Please check your input. It must be a valid numeric value.

Exajoule/second [EJ/s] to Attojoule/second [aJ/s] Conversion Table

Exajoule/second [EJ/s]	Attojoule/second [aJ/s]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Exajoule/second [EJ/s] to Attojoule/second [aJ/s] Conversion Table
Exajoule/second [EJ/s]	Attojoule/second [aJ/s]

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What Is This Tool?

This converter transforms power values measured in exajoule per second (EJ/s), representing enormous planetary- or astrophysical-scale energy rates, into attojoule per second (aJ/s), which measure extremely tiny energy transfer rates at the nanoscale or quantum level.

How to Use This Tool?

Enter the power value in exajoule per second (EJ/s) that you want to convert
Select exajoule per second (EJ/s) as the source unit
Choose attojoule per second (aJ/s) as the target unit
Click the convert button to get the result in attojoule per second

Key Features

Converts power units between extremely large and small scales
Supports exajoule per second (EJ/s) and attojoule per second (aJ/s) units
Uses the exact conversion factor of 1 EJ/s = 10^36 aJ/s
Browser-based and easy to use with no installation required
Useful for a wide range of fields including astrophysics and quantum physics

Examples

2 EJ/s converts to 2 × 10^36 aJ/s, which is 2000000000000000000000000000000000000 aJ/s
0.5 EJ/s equals 0.5 × 10^36 aJ/s, which is 500000000000000000000000000000000000 aJ/s

Common Use Cases

Express very large power rates like stellar luminosities in terms of tiny energy units
Analyze planetary energy budgets and compare them with nanoscale power levels
Measure ultra-low power in microelectronic sensors, quantum devices, or nanoscale thermal experiments

Tips & Best Practices

Be aware of the enormous scale difference when converting values (a factor of 10^36)
Use this conversion primarily for theoretical or comparative purposes
Handle extremely large numbers carefully to avoid numerical overflow or precision errors

Limitations

The conversion involves a vast scale factor making practical direct use rare
Numerical calculations require caution to prevent errors due to very large or small values
Primarily suited for conceptual or analytical comparisons across different energy scales

Frequently Asked Questions

What does exajoule per second measure?: Exajoule per second is a unit of power indicating energy flow at 10^18 joules every second, used to represent extremely large-scale energy rates in astrophysics and planetary science.
How small is an attojoule per second?: An attojoule per second is a very small power unit equal to 10^-18 joules transferred each second, relevant for quantum and nanoscale energy measurements.
Why would I convert between EJ/s and aJ/s?: Converting between these units helps compare vastly different power scales, such as planetary or stellar-level energy rates versus nanoscale or quantum energy transfers.

Key Terminology

Exajoule per second [EJ/s]: A power unit equal to 10^18 joules per second, often called one exawatt, used for extremely large energy rates in astrophysics or planetary science.
Attojoule per second [aJ/s]: A very small power unit equal to 10^-18 joules per second, used in quantum physics and nanoscale energy measurements.

Quick Knowledge Check

What power unit does 1 EJ/s represent?

10^18 watts

10^36 watts

10^-18 watts

What scale difference exists between EJ/s and aJ/s?

10^18

10^36

10^-18

Which field might use the attojoule per second unit?

Astrophysics

Quantum nanoscale devices

Planetary climate studies

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