Zeptohertz is 1e-21 hertz units.
Zeptohertz to Picohertz Converter — zHz to pHz
Convert Zeptohertz (zHz) to Picohertz (pHz) using the exact conversion factor (1 zeptohertz = 1e-9 picohertz). See the formula, worked examples, and conversion table.
Zeptohertz to Picohertz 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.
Picohertz is 1e-12 hertz units.
Result = input x 1e-21 / 1e-12.
Frequency uses hertz as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zeptohertz to Picohertz
Zeptohertz and Picohertz 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: Zeptohertz is 1e-21 hertz units, and picohertz is 1e-12 hertz units.
Formula
picohertz = zeptohertz × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 zeptohertz equals 1e-21 base units, and 1 picohertz equals 1e-12 base units, so dividing one by the other gives the direct zeptohertz-to-picohertz factor of 1e-9.
Simple example
1 zHz × 1e-9 = 1e-9 pHz
1 zeptohertz = 1e-9 picohertz.
Real-world example
1,000 zHz × 1e-9 = 0.000001 pHz
1,000 zeptohertz = 0.000001 picohertz.
Conversion table
| Zeptohertz (zHz) | Picohertz (pHz) |
|---|---|
| 60 zHz | 6e-8 pHz |
| 600 zHz | 6e-7 pHz |
| 1,000 zHz | 0.000001 pHz |
| 3,000 zHz | 0.000003 pHz |
| 6,000 zHz | 0.000006 pHz |
| 10,000 zHz | 0.00001 pHz |
Reverse conversion: Picohertz to Zeptohertz
1e-9 pHz × 1000000000 = 1 zHz
1e-9 picohertz = 1 zeptohertz.
zeptohertz = picohertz × 1000000000
For a page dedicated to this direction, see Picohertz to Zeptohertz.
Understanding the Zeptohertz (zHz)
Zeptohertz is 1e-21 hertz units.
Understanding the Picohertz (pHz)
Picohertz is 1e-12 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picohertz are in 1 zeptohertz?
1 zeptohertz equals 1e-9 picohertz, using the exact defined conversion factor rather than an estimate.
How do I convert zeptohertz to picohertz?
Multiply the zeptohertz value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert picohertz back to zeptohertz?
Use the reverse factor: 1 picohertz equals 1,000,000,000 zeptohertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a zeptohertz?
Zeptohertz (zHz) is a unit of frequency.
What is a picohertz?
Picohertz (pHz) is a unit of frequency.
Is the zeptohertz to picohertz conversion exact?
Yes. Both zeptohertz and picohertz 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.