Nanohertz is 1e-9 hertz units.
Nanohertz to Terahertz Converter — nHz to THz
Convert Nanohertz (nHz) to Terahertz (THz) using the exact conversion factor (1 nanohertz = 1e-21 terahertz). See the formula, worked examples, and conversion table.
Nanohertz to Terahertz converter
Converter
Frequency Converter
Convert hertz, SI frequency prefixes, RPM, beats per minute, and angular frequency.
Context values
Some unit families need one extra value for a physically accurate result.
Terahertz is 1000000000000 hertz units.
Result = input x 1e-9 / 1e+12.
Frequency uses hertz as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanohertz to Terahertz
Nanohertz and Terahertz both describe how fast something cycles or rotates, and the conversion is a routine part of reading a car tachometer or motor spec sheet against a scientific frequency figure. Specifically: Nanohertz is 1e-9 hertz units, and terahertz is 1000000000000 hertz units.
Formula
terahertz = nanohertz × 1e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 nanohertz equals 1e-9 base units, and 1 terahertz equals 1e+12 base units, so dividing one by the other gives the direct nanohertz-to-terahertz factor of 1e-21.
Simple example
1 nHz × 1e-21 = 1e-21 THz
1 nanohertz = 1e-21 terahertz.
Real-world example
1,000 nHz × 1e-21 = 1e-18 THz
1,000 nanohertz = 1e-18 terahertz.
Conversion table
| Nanohertz (nHz) | Terahertz (THz) |
|---|---|
| 60 nHz | 6e-20 THz |
| 600 nHz | 6e-19 THz |
| 1,000 nHz | 1e-18 THz |
| 3,000 nHz | 3e-18 THz |
| 6,000 nHz | 6e-18 THz |
| 10,000 nHz | 1e-17 THz |
Reverse conversion: Terahertz to Nanohertz
1e-21 THz × 1e+21 = 1 nHz
1e-21 terahertz = 1 nanohertz.
nanohertz = terahertz × 1e+21
For a page dedicated to this direction, see Terahertz to Nanohertz.
Understanding the Nanohertz (nHz)
Nanohertz is 1e-9 hertz units.
Understanding the Terahertz (THz)
Terahertz is 1000000000000 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many terahertz are in 1 nanohertz?
1 nanohertz equals 1e-21 terahertz, using the exact defined conversion factor rather than an estimate.
How do I convert nanohertz to terahertz?
Multiply the nanohertz value by 1e-21. The converter above does this instantly to whatever precision you set.
How do I convert terahertz back to nanohertz?
Use the reverse factor: 1 terahertz equals 1e+21 nanohertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanohertz?
Nanohertz (nHz) is a unit of frequency.
What is a terahertz?
Terahertz (THz) is a unit of frequency.
Is the nanohertz to terahertz conversion exact?
Yes. Both nanohertz and terahertz are defined by fixed standards rather than physical artifacts, so the factor of 1e-21 used above is exact to as many digits as you choose to display.