Nanohertz is 1e-9 hertz units.
Nanohertz to Femtohertz Converter — nHz to fHz
Convert Nanohertz (nHz) to Femtohertz (fHz) using the exact conversion factor (1 nanohertz = 1,000,000 femtohertz). See the formula, worked examples, and conversion table.
Nanohertz to Femtohertz converter
Converter
Scientific Units Converter
Convert SI derived units, scientific notation-friendly units, atomic units, and lab measurements.
Femtohertz is 1e-15 hertz units.
Result = input x 1e-9 / 1e-15.
Frequency units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Nanohertz to Femtohertz
Nanohertz and Femtohertz 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: Nanohertz is 1e-9 hertz units, and femtohertz is 1e-15 hertz units.
Formula
femtohertz = nanohertz × 1000000
This factor comes from each unit's defined relationship to the category's base unit: 1 nanohertz equals 1e-9 base units, and 1 femtohertz equals 1e-15 base units, so dividing one by the other gives the direct nanohertz-to-femtohertz factor of 1000000.
Simple example
1 nHz × 1000000 = 1,000,000 fHz
1 nanohertz = 1,000,000 femtohertz.
Real-world example
10 nHz × 1000000 = 10,000,000 fHz
10 nanohertz = 10,000,000 femtohertz.
Conversion table
| Nanohertz (nHz) | Femtohertz (fHz) |
|---|---|
| 0.001 nHz | 1,000 fHz |
| 0.01 nHz | 10,000 fHz |
| 1 nHz | 1,000,000 fHz |
| 10 nHz | 10,000,000 fHz |
| 100 nHz | 100,000,000 fHz |
| 1,000 nHz | 1,000,000,000 fHz |
Reverse conversion: Femtohertz to Nanohertz
1 fHz × 0.000001 = 0.000001 nHz
1 femtohertz = 0.000001 nanohertz.
nanohertz = femtohertz × 0.000001
For a page dedicated to this direction, see Femtohertz to Nanohertz.
Understanding the Nanohertz (nHz)
Nanohertz is 1e-9 hertz units.
Understanding the Femtohertz (fHz)
Femtohertz is 1e-15 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many femtohertz are in 1 nanohertz?
1 nanohertz equals 1,000,000 femtohertz, using the exact defined conversion factor rather than an estimate.
How do I convert nanohertz to femtohertz?
Multiply the nanohertz value by 1000000. The converter above does this instantly to whatever precision you set.
How do I convert femtohertz back to nanohertz?
Use the reverse factor: 1 femtohertz equals 0.000001 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 scientific units.
What is a femtohertz?
Femtohertz (fHz) is a unit of scientific units.
Is the nanohertz to femtohertz conversion exact?
Yes. Both nanohertz and femtohertz are defined by fixed standards rather than physical artifacts, so the factor of 1000000 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.