Convert Hertz (Hz) to Milliseconds (ms)
Turn oscillator frequency into the duration of one complete cycle. Useful for LFO timing, modulation, audio engineering, and sample-level calculations.
Enter frequency or period
Period (ms) = 1,000 ÷ Frequency (Hz)What this conversion means
Hertz measures how many cycles happen in one second. Milliseconds measure how long each cycle takes. Because frequency and period are reciprocals, a faster frequency produces a shorter cycle.
At 2 Hz, two cycles fit into one second, so each cycle lasts 500 ms. At 1,000 Hz, one thousand cycles fit into one second, so each cycle lasts 1 ms.
For producers, this is especially useful when an LFO, tremolo, autopan, chorus, or modulation plugin displays speed in Hz while another control expects milliseconds.
Hz to ms reference table
Common modulation, mains, and audio frequencies converted to the period of one complete cycle.
| Frequency | Period | At 48 kHz |
|---|---|---|
| 0.25 Hz | 4,000 ms | 192,000 samples |
| 0.5 Hz | 2,000 ms | 96,000 samples |
| 1 Hz | 1,000 ms | 48,000 samples |
| 2 Hz | 500 ms | 24,000 samples |
| 4 Hz | 250 ms | 12,000 samples |
| 8 Hz | 125 ms | 6,000 samples |
| 10 Hz | 100 ms | 4,800 samples |
| 20 Hz | 50 ms | 2,400 samples |
| 50 Hz | 20 ms | 960 samples |
| 60 Hz | 16.6667 ms | 800 samples |
| 100 Hz | 10 ms | 480 samples |
| 440 Hz | 2.2727 ms | 109.09 samples |
| 1,000 Hz | 1 ms | 48 samples |
Frequently asked questions
How do I convert Hz to milliseconds?+
Divide 1,000 by the frequency in hertz. For example, 1,000 ÷ 4 Hz equals 250 milliseconds for one complete cycle.
How many milliseconds is 1 Hz?+
One hertz is one cycle per second, so one complete cycle lasts 1,000 milliseconds.
Is Hz the same as BPM?+
No. Hz counts cycles per second while BPM counts beats per minute. For a quarter-note pulse, multiply Hz by 60 to get BPM, or divide BPM by 60 to get Hz.
Why show samples per cycle?+
Digital audio is stored as samples. Samples per cycle shows how many samples represent one waveform cycle at the selected sample rate, which is useful for audio analysis and synthesis.