Femtohertz is 1e-15 hertz units.
Femtohertz to Microhertz Converter — fHz to uHz
Convert Femtohertz (fHz) to Microhertz (uHz) using the exact conversion factor (1 femtohertz = 1e-9 microhertz). See the formula, worked examples, and conversion table.
Femtohertz to Microhertz 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.
Microhertz is 0.000001 hertz units.
Result = input x 1e-15 / 1e-6.
Frequency units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Femtohertz to Microhertz
Femtohertz and Microhertz 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 microhertz is 0.000001 hertz units.
Formula
microhertz = femtohertz × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 femtohertz equals 1e-15 base units, and 1 microhertz equals 0.000001 base units, so dividing one by the other gives the direct femtohertz-to-microhertz factor of 1e-9.
Simple example
1 fHz × 1e-9 = 1e-9 uHz
1 femtohertz = 1e-9 microhertz.
Real-world example
10 fHz × 1e-9 = 1e-8 uHz
10 femtohertz = 1e-8 microhertz.
Conversion table
| Femtohertz (fHz) | Microhertz (uHz) |
|---|---|
| 0.001 fHz | 1e-12 uHz |
| 0.01 fHz | 1e-11 uHz |
| 1 fHz | 1e-9 uHz |
| 10 fHz | 1e-8 uHz |
| 100 fHz | 1e-7 uHz |
| 1,000 fHz | 0.000001 uHz |
Reverse conversion: Microhertz to Femtohertz
1e-9 uHz × 1000000000 = 1 fHz
1e-9 microhertz = 1 femtohertz.
femtohertz = microhertz × 1000000000
For a page dedicated to this direction, see Microhertz to Femtohertz.
Understanding the Femtohertz (fHz)
Femtohertz is 1e-15 hertz units.
Understanding the Microhertz (uHz)
Microhertz is 0.000001 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many microhertz are in 1 femtohertz?
1 femtohertz equals 1e-9 microhertz, using the exact defined conversion factor rather than an estimate.
How do I convert femtohertz to microhertz?
Multiply the femtohertz value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert microhertz back to femtohertz?
Use the reverse factor: 1 microhertz equals 1,000,000,000 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 microhertz?
Microhertz (uHz) is a unit of scientific units.
Is the femtohertz to microhertz conversion exact?
Yes. Both femtohertz and microhertz are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 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.