Convert THz to Hz
Terahertz to hertz. Enter a value to convert, or use the THz to Hz chart further down the page.
1 terahertz equals 1,000,000,000,000 hertz. Going the other way, 1 hertz = 1e-12 terahertz.
How to convert THz to Hz
To convert terahertz to hertz, multiply the terahertz value by 1000000000000. You can also divide by 1e-12 to get the same answer.
Hz = THz × 1000000000000
Worked example
Convert 15 THz to hertz:
15 THz = 15,000,000,000,000 Hz
THz to Hz conversion chart
Use this THz to Hz table for quick reference without typing anything.
| terahertz (THz) | hertz (Hz) |
|---|---|
| 0.01 THz | 10,000,000,000 Hz |
| 0.1 THz | 100,000,000,000 Hz |
| 1 THz | 1,000,000,000,000 Hz |
| 2 THz | 2,000,000,000,000 Hz |
| 3 THz | 3,000,000,000,000 Hz |
| 5 THz | 5,000,000,000,000 Hz |
| 10 THz | 10,000,000,000,000 Hz |
| 20 THz | 20,000,000,000,000 Hz |
| 50 THz | 50,000,000,000,000 Hz |
| 100 THz | 100,000,000,000,000 Hz |
| 1,000 THz | 1e15 Hz |
What is a terahertz?
The terahertz (THz) is a unit of frequency equal to 1000000000000 hertzs.
What is a hertz?
The hertz is the SI unit of frequency: one cycle per second.
Frequently asked questions
How many Hz are in a terahertz?
1 THz equals 1,000,000,000,000 Hz. Going the other way, 1 Hz is 1e-12 THz.
How do you convert THz to Hz?
To convert terahertz to hertz, multiply the terahertz value by 1000000000000. You can also divide by 1e-12 to get the same answer.
What is 10 THz in Hz?
10 THz equals 10,000,000,000,000 Hz. The conversion chart on this page lists the other values people look up most often.
Related frequency conversions
Convert THz to other units
Convert other units to Hz
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