Period to Frequency Calculator
Convert between frequency and period for any repeating oscillation: enter a frequency in hertz to get the period T = 1 / f in seconds.
- Period in milliseconds
- 16.6667 ms
- Angular frequency ω
- 376.991 rad/s
Formula: T = 1 / f
About Period to Frequency Calculator
Period to Frequency Calculator is a free online calculator that gives you an instant, accurate result as you type. Convert between frequency and period for any repeating oscillation: enter a frequency in hertz to get the period T = 1 / f in seconds.
The calculation uses the standard formula T = 1 / f and updates live with every change to the inputs. Everything runs client-side in your browser — fast, private, and free to use as often as you like.
Mains electricity at 60 Hz completes one full cycle every 16.7 milliseconds, while a 50 Hz grid takes 20 milliseconds per cycle.
Frequently Asked Questions
Is Period to Frequency Calculator free to use?
Yes. Period to Frequency Calculator is completely free, with no sign-up, no downloads, and no usage limits. You can use it as many times as you like on any device with a web browser.
How accurate is this calculator?
The calculator applies the standard formula (T = 1 / f) with full floating-point precision and rounds only the displayed result. For most practical purposes the results are exact.
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