Picohertz is 1e-12 hertz units.
Picohertz to Nanohertz Converter — pHz to nHz
Convert Picohertz (pHz) to Nanohertz (nHz) using the exact conversion factor (1 picohertz = 0.001 nanohertz). See the formula, worked examples, and conversion table.
Picohertz to Nanohertz converter
Converter
Scientific Units Converter
Convert SI derived units, scientific notation-friendly units, atomic units, and lab measurements.
Context values
Some unit families need one extra value for a physically accurate result.
Nanohertz is 1e-9 hertz units.
Result = input x 1e-12 / 1e-9.
Frequency units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Picohertz to Nanohertz
Picohertz and Nanohertz are both scientific-measurement units, spanning everything from atomic and laboratory scales to astronomical distances — the kind of conversion that comes up constantly in physics, chemistry, and astronomy when a result needs to move between conventions used in different subfields. Specifically: Picohertz is 1e-12 hertz units, and nanohertz is 1e-9 hertz units.
Formula
nanohertz = picohertz × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 picohertz equals 1e-12 base units, and 1 nanohertz equals 1e-9 base units, so dividing one by the other gives the direct picohertz-to-nanohertz factor of 0.001.
Simple example
1 pHz × 0.001 = 0.001 nHz
1 picohertz = 0.001 nanohertz.
Real-world example
10 pHz × 0.001 = 0.01 nHz
10 picohertz = 0.01 nanohertz.
Conversion table
| Picohertz (pHz) | Nanohertz (nHz) |
|---|---|
| 0.001 pHz | 0.000001 nHz |
| 0.01 pHz | 0.00001 nHz |
| 1 pHz | 0.001 nHz |
| 10 pHz | 0.01 nHz |
| 100 pHz | 0.1 nHz |
| 1,000 pHz | 1 nHz |
Reverse conversion: Nanohertz to Picohertz
0.001 nHz × 1000 = 1 pHz
0.001 nanohertz = 1 picohertz.
picohertz = nanohertz × 1000
For a page dedicated to this direction, see Nanohertz to Picohertz.
Understanding the Picohertz (pHz)
Picohertz is 1e-12 hertz units.
Understanding the Nanohertz (nHz)
Nanohertz is 1e-9 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanohertz are in 1 picohertz?
1 picohertz equals 0.001 nanohertz, using the exact defined conversion factor rather than an estimate.
How do I convert picohertz to nanohertz?
Multiply the picohertz value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert nanohertz back to picohertz?
Use the reverse factor: 1 nanohertz equals 1,000 picohertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a picohertz?
Picohertz (pHz) is a unit of scientific units.
What is a nanohertz?
Nanohertz (nHz) is a unit of scientific units.
Is the picohertz to nanohertz conversion exact?
Yes. Both picohertz and nanohertz are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.
Why does this category span everything from atomic to astronomical scales?
Scientific work spans an enormous range of physical scales, from atomic distances (measured in angstroms or atomic mass units) to interstellar distances (measured in astronomical units or parsecs), so this category groups SI-derived and scale-specific units that researchers commonly need to convert between within their field.