It is non-SI multiple of the frequency unit hertz.
Symbol : aHz
So 1 attohertz = 1.00E-18 hertz.
Example : 0 attohertz = 1.00E-18 X 0 Hertz.
Or we can say, 0aHz = 0 Hz.
Use this conversion chart to compare one attohertz with other frequency measurement units.
| 1 aHz | 1.0E-16 cHz |
| 1.0E-17 dHz | 1.0E-19 daHz |
| 1.0E-36 EHz | 0.001 fHz |
| 1.0E-27 GHz | 1.0E-18 Hz |
| 1.0E-21 kHz | 1.0E-24 MHz |
| 1.0E-12 µHz | 1.0E-15 mHz |
| 1.0E-9 nHz | 1.0E-33 PHz |
| 1.0E-6 pHz | 1.0E-30 THz |
| 1000000 yHz | 1.0E-42 YHz |
| 1000 zHz | 1.0E-39 ZHz |