Online Power Units Converter
How to Convert from Kilojoule/hour [kJ/h] to Attowatt [aW]
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How to Convert from Kilojoule/hour [kJ/h] to Attowatt [aW]

Learn how to convert kilojoule per hour (kJ/h) to attowatt (aW), two power units used for measuring energy transfer rates from moderate hourly values to ultra-small quantum scales in scientific and technical fields.

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Kilojoule/hour [kJ/h] to Attowatt [aW] Conversion Table

Kilojoule/hour [kJ/h] Attowatt [aW]

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Kilojoule/hour [kJ/h] to Attowatt [aW] Conversion Table
Kilojoule/hour [kJ/h] Attowatt [aW]

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  134. How to convert from kilojoule/hour [kJ/h] to millijoule/second [mJ/s]?
  135. How to convert from microjoule/second [µJ/s] to kilojoule/hour [kJ/h]?
  136. How to convert from kilojoule/hour [kJ/h] to microjoule/second [µJ/s]?
  137. How to convert from nanojoule/second [nJ/s] to kilojoule/hour [kJ/h]?
  138. How to convert from kilojoule/hour [kJ/h] to nanojoule/second [nJ/s]?
  139. How to convert from picojoule/second [pJ/s] to kilojoule/hour [kJ/h]?
  140. How to convert from kilojoule/hour [kJ/h] to picojoule/second [pJ/s]?
  141. How to convert from femtojoule/second [fJ/s] to kilojoule/hour [kJ/h]?
  142. How to convert from kilojoule/hour [kJ/h] to femtojoule/second [fJ/s]?
  143. How to convert from attojoule/second [aJ/s] to kilojoule/hour [kJ/h]?
  144. How to convert from kilojoule/hour [kJ/h] to attojoule/second [aJ/s]?
  145. How to convert from joule/hour [J/h] to kilojoule/hour [kJ/h]?
  146. How to convert from kilojoule/hour [kJ/h] to joule/hour [J/h]?
  147. How to convert from joule/minute [J/min] to kilojoule/hour [kJ/h]?
  148. How to convert from kilojoule/hour [kJ/h] to joule/minute [J/min]?
  149. How to convert from kilojoule/minute [kJ/min] to kilojoule/hour [kJ/h]?
  150. How to convert from kilojoule/hour [kJ/h] to kilojoule/minute [kJ/min]?

What Is This Tool?

This converter allows you to transform power values measured in kilojoule per hour into attowatt units, enabling the expression of moderate hourly energy transfer rates as extremely small power levels suitable for advanced scientific and nanoelectronic applications.

How to Use This Tool?

  • Enter the value in kilojoule per hour (kJ/h) that you want to convert.
  • Select attowatt (aW) as the target unit for conversion.
  • Press the convert button to see the equivalent power expressed in attowatts.

Key Features

  • Converts kilojoule/hour (kJ/h) values to attowatt (aW) units accurately based on the defined conversion rate.
  • Supports power measurements relevant in fields like building physics, metabolism studies, and nanoscale electronics.
  • Browser-based and easy to use for quick conversions between moderate and ultra-small power units.

Examples

  • Convert 2 kJ/h to attowatt: 2 × 277777777777780000 aW = 555555555555560000 aW
  • Convert 0.5 kJ/h to attowatt: 0.5 × 277777777777780000 aW = 138888888888890000 aW

Common Use Cases

  • Expressing small heating or cooling rates in building physics such as heat loss through windows.
  • Reporting metabolic energy expenditure as energy burned per hour during exercise.
  • Measuring low-rate heat transfer in laboratory calorimetry experiments.
  • Quantifying optical power levels in single-photon detection and ultra-sensitive photodiodes.
  • Assessing power dissipation in nanoelectronic and ultra-low-power sensor devices.
  • Readout power measurement for bolometers and cryogenic detectors in physics and astronomy.

Tips & Best Practices

  • Use appropriate scientific notation for large attowatt results to maintain readability.
  • Ensure measurements at attowatt scale are made with sensitive, noise-controlled equipment.
  • Understand the context of energy rates measured over hours versus instantaneous quantum-scale power.

Limitations

  • Kilojoule/hour suits small to moderate energy transfer rates over longer times, but large values converted to attowatt produce very large numbers.
  • Measuring at attowatt scale demands sophisticated instrumentation and environmental noise control.
  • Conversion outputs for extremely large input values may be impractical to handle without proper notation.

Frequently Asked Questions

What does one kilojoule per hour represent in terms of power?
One kilojoule per hour equals the transfer of 1,000 joules of energy over one hour, corresponding to approximately 0.278 watts.

Why convert kilojoule/hour to attowatt units?
Converting to attowatt units allows expressing moderate energy rates as extremely small power levels, essential for ultra-sensitive measurements in scientific and nanoelectronic applications.

In which fields is this conversion typically used?
It is used in building physics, metabolic studies, low-rate calorimetry, nanoelectronics, quantum optical detection, and cryogenic detector physics.

Key Terminology

Kilojoule per hour (kJ/h)
A power unit representing 1,000 joules of energy transferred or consumed each hour, used for moderate energy rates over time.
Attowatt (aW)
A power unit equal to 10^−18 watts, used to express extremely small rates of power suitable for nanoscale and quantum applications.
Conversion Rate
The quantified relation where 1 kilojoule per hour equals 277777777777780000 attowatts for power conversion.

Quick Knowledge Check

What unit measures extremely small power equal to 10^−18 watts?
Which application involves using kilojoule per hour as a power unit?
What is a key limitation when converting large kilojoule/hour values to attowatts?

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