Kilowatt-hours to Nanojoules Converter
Enter the energy in kilowatt-hours below to convert it to nanojoules.
Convert Kilowatt-hours to Nanojoules
Enter a value in kilowatt-hours (kWh) to convert to nanojoules (nJ).
Kilowatt-hour to Nanojoule Conversion Table
Table showing various kilowatt-hour measurements converted to nanojoules. Click any preset value or arrow to load it into the converter.
| Kilowatt-hours (kWh) | Nanojoules (nJ) |
|---|---|
| 0.0000001 kWh | 360,000,000 nJ |
| 0.0000002 kWh | 720,000,000 nJ |
| 0.0000003 kWh | 1,080,000,000 nJ |
| 0.0000004 kWh | 1,440,000,000 nJ |
| 0.0000005 kWh | 1,800,000,000 nJ |
| 0.0000006 kWh | 2,160,000,000 nJ |
| 0.0000007 kWh | 2,520,000,000 nJ |
| 0.0000008 kWh | 2,880,000,000 nJ |
| 0.0000009 kWh | 3,240,000,000 nJ |
| 0.00000001 kWh | 36,000,000 nJ |
How to Convert Kilowatt-hours to Nanojoules
To convert kilowatt-hours to nanojoules, multiply the energy by the following conversion ratio: 3.6e+15 nanojoules/kilowatt-hour.
Since one kilowatt-hour is equal to 3.6e+15 nanojoules, you can use this simple formula to convert:
The energy in nanojoules is equal to the energy in kilowatt-hours multiplied by 3.6e+15.
For example, here's how to convert 5 kilowatt-hours to nanojoules using the formula above.
How Many Nanojoules Are in a Kilowatt-hour?
There are 3.6e+15 nanojoules in a kilowatt-hour, which is why we use this value in the formula above.
Our kilowatt-hour to nanojoule calculator automatically converts your energy measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Kilowatt-hours and nanojoules are both units used to measure energy. Keep reading to learn more about each unit.
What Is a Kilowatt-hour?
A kilowatt-hour is a unit of energy equal to 3,600,000 joules (J), the base unit for energy. Equal to 3.6 Megajoules (1,000 Wh). [1]
The kilowatt-hour is classified as a metric and SI-compatible unit of energy. Kilowatt-hours can be abbreviated as kWh; for example, 1 kilowatt-hour can be written as 1 kWh.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilowatt-hour (kWh) a convenient decimal multiple of the joule (J).
In practice, kilowatt-hours (kWh) are widely used across large-scale industrial, bulk, and macro-level energy specifications within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Nanojoule?
A nanojoule is a unit of energy equal to 1/1,000,000,000 of a joule (1e-9 J). One-billionth of a Joule. [2]
The nanojoule is classified as a metric and SI-compatible unit of energy. Nanojoules can be abbreviated as nJ; for example, 1 nanojoule can be written as 1 nJ.
In the metric system, "nano" is the standard SI prefix for billionths, or 10⁻⁹. This makes the nanojoule (nJ) a convenient decimal multiple of the joule (J).
In practice, nanojoules (nJ) are widely used across fine-tolerance laboratory, analytical, and micro-scale energy measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting energy between kilowatt-hours (kWh) and nanojoules (nJ), keep full floating-point precision (1 kWh = 3.6e+15 nJ; 1 nJ = 2.777778e-16 kWh) during intermediate calculations and round only the final nanojoule figure to match your instrument tolerance.
More Kilowatt-hour & Nanojoule Conversions
Need to calculate in the opposite direction? Use our nanojoules to kilowatt-hours calculator to switch your starting unit immediately. You can also explore related tools such as converting nanojoules to kilowatt-hours, converting kilowatt-hours to joules, or converting kilowatt-hours to btus.
Convert from Kilowatt-hours
Frequently Asked Questions
References
- [1]NIST CODATA StandardNIST CODATA (CODATA Energy & Thermodynamic Constants)·Energy Metrology Standard — Kilowatt-hours (kWh) to Nanojoules (nJ)
- [2]NIST SP 811 SpecificationNIST SP 811 (NIST SP 811 App. B.9 (Energy, Work & Heat))·Unit Specifications: Kilowatt-hour (kWh) & Nanojoule (nJ)
- [3]BIPM ReferenceBIPM (Derived SI Unit: Joule (J))·Conversion Factors & Mathematical Basis (kWh to nJ)