It is non-SI multiple of the frequency unit hertz.
Symbol : mHz
So 1 millihertz = 1.00E-03 hertz.
Example : 19 millihertz = 1.00E-03 X 19 Hertz.
Or we can say, 19mHz = 0.019 Hz.
Use this conversion chart to compare one millihertz with other frequency measurement units.
1.0E+15 aHz | 0.1 cHz |
0.01 dHz | 0.0001 daHz |
1.0E-21 EHz | 1000000000000 fHz |
1.0E-12 GHz | 0.001 Hz |
1.0E-6 kHz | 1.0E-9 MHz |
1000 µHz | 1 mHz |
1000000 nHz | 1.0E-18 PHz |
1000000000 pHz | 1.0E-15 THz |
1.0E+21 yHz | 1.0E-27 YHz |
1.0E+18 zHz | 1.0E-24 ZHz |