It is non-SI multiple of the frequency unit hertz.
Symbol : dHz
So 1 decihertz = 0.1 hertz.
Example : 3 decihertz = 0.1 X 3 Hertz.
Or we can say, 3dHz = 0.3 Hz.
Use this conversion chart to compare one decihertz with other frequency measurement units.
| 1.0E+17 aHz | 10 cHz |
| 1 dHz | 0.01 daHz |
| 1.0E-19 EHz | 1.0E+14 fHz |
| 1.0E-10 GHz | 0.1 Hz |
| 0.0001 kHz | 1.0E-7 MHz |
| 100000 µHz | 100 mHz |
| 100000000 nHz | 1.0E-16 PHz |
| 100000000000 pHz | 1.0E-13 THz |
| 1.0E+23 yHz | 1.0E-25 YHz |
| 1.0E+20 zHz | 1.0E-22 ZHz |