Attohertz is 1e-18 hertz units.
Attohertz to Femtohertz Converter — aHz to fHz
Convert Attohertz (aHz) to Femtohertz (fHz) using the exact conversion factor (1 attohertz = 0.001 femtohertz). See the formula, worked examples, and conversion table.
Attohertz to Femtohertz 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.
Femtohertz is 1e-15 hertz units.
Result = input x 1e-18 / 1e-15.
Frequency uses hertz as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Attohertz to Femtohertz
Attohertz and Femtohertz 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: Attohertz is 1e-18 hertz units, and femtohertz is 1e-15 hertz units.
Formula
femtohertz = attohertz × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 attohertz equals 1e-18 base units, and 1 femtohertz equals 1e-15 base units, so dividing one by the other gives the direct attohertz-to-femtohertz factor of 0.001.
Simple example
1 aHz × 0.001 = 0.001 fHz
1 attohertz = 0.001 femtohertz.
Real-world example
1,000 aHz × 0.001 = 1 fHz
1,000 attohertz = 1 femtohertz.
Conversion table
| Attohertz (aHz) | Femtohertz (fHz) |
|---|---|
| 60 aHz | 0.06 fHz |
| 600 aHz | 0.6 fHz |
| 1,000 aHz | 1 fHz |
| 3,000 aHz | 3 fHz |
| 6,000 aHz | 6 fHz |
| 10,000 aHz | 10 fHz |
Reverse conversion: Femtohertz to Attohertz
0.001 fHz × 1000 = 1 aHz
0.001 femtohertz = 1 attohertz.
attohertz = femtohertz × 1000
For a page dedicated to this direction, see Femtohertz to Attohertz.
Understanding the Attohertz (aHz)
Attohertz is 1e-18 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 attohertz?
1 attohertz equals 0.001 femtohertz, using the exact defined conversion factor rather than an estimate.
How do I convert attohertz to femtohertz?
Multiply the attohertz value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert femtohertz back to attohertz?
Use the reverse factor: 1 femtohertz equals 1,000 attohertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a attohertz?
Attohertz (aHz) is a unit of frequency.
What is a femtohertz?
Femtohertz (fHz) is a unit of frequency.
Is the attohertz to femtohertz conversion exact?
Yes. Both attohertz and femtohertz 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.