Terahertz to Hertz Converter
Enter the frequency in terahertz below to convert it to hertz.
Convert Terahertz to Hertz
Enter a value in terahertz (THz) to convert to hertz (Hz).
Terahertz to Hertz Conversion Table
Table showing various terahertz measurements converted to hertz. Click any preset value or arrow to load it into the converter.
| Terahertz (THz) | Hertz (Hz) |
|---|---|
| 0.0000001 THz | 100,000 Hz |
| 0.0000002 THz | 200,000 Hz |
| 0.0000003 THz | 300,000 Hz |
| 0.0000004 THz | 400,000 Hz |
| 0.0000005 THz | 500,000 Hz |
| 0.0000006 THz | 600,000 Hz |
| 0.0000007 THz | 700,000 Hz |
| 0.0000008 THz | 800,000 Hz |
| 0.0000009 THz | 900,000 Hz |
| 0.00000001 THz | 10,000 Hz |
How to Convert Terahertz to Hertz
To convert terahertz to hertz, multiply the frequency by the following conversion ratio: 1e+12 hertz/terahertz.
Since one terahertz is equal to 1e+12 hertz, you can use this simple formula to convert:
The frequency in hertz is equal to the frequency in terahertz multiplied by 1e+12.
For example, here's how to convert 5 terahertz to hertz using the formula above.
How Many Hertz Are in a Terahertz?
There are 1e+12 hertz in a terahertz, which is why we use this value in the formula above.
Our terahertz to hertz calculator automatically converts your frequency measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Terahertz and hertz are both units used to measure frequency. Keep reading to learn more about each unit.
What Is a Terahertz?
A terahertz is a unit of frequency equal to 1e+12 hertz (Hz), the base unit for frequency. Equal to 10¹² Hz. [1]
The terahertz is classified as an International System of Units (SI) unit of frequency. Terahertz can be abbreviated as THz; for example, 1 terahertz can be written as 1 THz.
In the metric system, "tera" is the standard SI prefix for trillions, or 10¹². This makes the terahertz (THz) a convenient decimal multiple of the hertz (Hz).
In practice, terahertz (THz) are widely used across large-scale industrial, bulk, and macro-level frequency specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Hertz?
SI unit of frequency equal to 1 cycle per second. It serves as a primary reference unit for measuring frequency across scientific and practical applications. [2]
The hertz is classified as an International System of Units (SI) unit of frequency. Hertz can be abbreviated as Hz; for example, 1 hertz can be written as 1 Hz.
As the primary coherent reference unit for frequency in this category, all other frequency units are mathematically anchored to the hertz (Hz).
In practice, hertz (Hz) are widely used across standard frequency applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting frequency between terahertz (THz) and hertz (Hz), keep full floating-point precision (1 THz = 1e+12 Hz; 1 Hz = 1e-12 THz) during intermediate calculations and round only the final hertz figure to match your instrument tolerance.
More Terahertz & Hertz Conversions
Need to calculate in the opposite direction? Use our hertz to terahertz calculator to switch your starting unit immediately. You can also explore related tools such as converting hertz to terahertz, converting rpm to hertz, or converting megahertz to hertz.
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Time & Frequency)·Frequency Metrology Standard — Terahertz (THz) to Hertz (Hz)
- [2]BIPM SpecificationBIPM (SI Base Unit: Second (s) & Hertz (Hz))·Unit Specifications: Terahertz (THz) & Hertz (Hz)
- [3]NIST CUU ReferenceNIST CUU (Derived SI Unit: Hertz (Hz))·Conversion Factors & Mathematical Basis (THz to Hz)