Hertz to Millihertz Converter
Light & HeatHertz to attohertz, plus wavelengths.
How to convert Hertz to Millihertz
Multiply the hertz value by 1,000: 1 Hz = 1,000 mHz. Going the other way, 1 mHz = 0.001 Hz, so divide by 1,000 or use the Millihertz to Hertz converter.
About these units
Hertz (Hz)
The hertz is the SI unit of frequency: one cycle per second. Mains electricity is 50 or 60 Hz, and human hearing spans roughly 20 Hz to 20 kHz.
Hertz to Millihertz conversion table
| Hertz (Hz) | Millihertz (mHz) |
|---|---|
| 1 Hz | 1,000 mHz |
| 2 Hz | 2,000 mHz |
| 3 Hz | 3,000 mHz |
| 4 Hz | 4,000 mHz |
| 5 Hz | 5,000 mHz |
| 10 Hz | 10,000 mHz |
| 20 Hz | 20,000 mHz |
| 25 Hz | 25,000 mHz |
| 50 Hz | 50,000 mHz |
| 100 Hz | 100,000 mHz |
| 500 Hz | 500,000 mHz |
| 1,000 Hz | 1e+6 mHz |
More hertz conversions
- Hertz to Terahertz1 Hz = 1e-12 THz
- Hertz to Gigahertz1 Hz = 1e-9 GHz
- Hertz to Megahertz1 Hz = 1e-6 MHz
- Hertz to Kilohertz1 Hz = 0.001 kHz
- Hertz to Exahertz1 Hz = 1e-18 EHz
- Hertz to Petahertz1 Hz = 1e-15 PHz
- Hertz to Hectohertz1 Hz = 0.01 hHz
- Hertz to Dekahertz1 Hz = 0.1 daHz
- Hertz to Decihertz1 Hz = 10 dHz
- Hertz to Centihertz1 Hz = 100 cHz
- Hertz to Microhertz1 Hz = 1e+6 µHz
See every unit on the Frequency & Wavelength Converter.