Femtohertz is 1e-15 hertz units.
Femtohertz to Nanohertz Converter — fHz to nHz
Convert Femtohertz (fHz) to Nanohertz (nHz) using the exact conversion factor (1 femtohertz = 0.000001 nanohertz). See the formula, worked examples, and conversion table.
Femtohertz 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-15 / 1e-9.
Frequency units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Femtohertz to Nanohertz
Femtohertz 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: Femtohertz is 1e-15 hertz units, and nanohertz is 1e-9 hertz units.
Formula
nanohertz = femtohertz × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 femtohertz equals 1e-15 base units, and 1 nanohertz equals 1e-9 base units, so dividing one by the other gives the direct femtohertz-to-nanohertz factor of 0.000001.
Simple example
1 fHz × 0.000001 = 0.000001 nHz
1 femtohertz = 0.000001 nanohertz.
Real-world example
10 fHz × 0.000001 = 0.00001 nHz
10 femtohertz = 0.00001 nanohertz.
Conversion table
| Femtohertz (fHz) | Nanohertz (nHz) |
|---|---|
| 0.001 fHz | 1e-9 nHz |
| 0.01 fHz | 1e-8 nHz |
| 1 fHz | 0.000001 nHz |
| 10 fHz | 0.00001 nHz |
| 100 fHz | 0.0001 nHz |
| 1,000 fHz | 0.001 nHz |
Reverse conversion: Nanohertz to Femtohertz
0.000001 nHz × 1000000 = 1 fHz
0.000001 nanohertz = 1 femtohertz.
femtohertz = nanohertz × 1000000
For a page dedicated to this direction, see Nanohertz to Femtohertz.
Understanding the Femtohertz (fHz)
Femtohertz is 1e-15 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 femtohertz?
1 femtohertz equals 0.000001 nanohertz, using the exact defined conversion factor rather than an estimate.
How do I convert femtohertz to nanohertz?
Multiply the femtohertz value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert nanohertz back to femtohertz?
Use the reverse factor: 1 nanohertz equals 1,000,000 femtohertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtohertz?
Femtohertz (fHz) is a unit of scientific units.
What is a nanohertz?
Nanohertz (nHz) is a unit of scientific units.
Is the femtohertz to nanohertz conversion exact?
Yes. Both femtohertz and nanohertz are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 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.