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Instant result
Enter the data and press the button to do the calculation.
Online Calculator
Advanced frequency and period converter
Calculate T = 1/f or f = 1/T and choose the input and output units.
Information
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Local processing
The values are processed directly in your browser.
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Free
No registration, external API or subscription required.
Frequently asked questions
What is the relationship between frequency and period?
T = 1 / f and f = 1 / T.
Can it convert MHz to nanoseconds?
Yes.
Can it convert period to frequency?
Yes, it works both ways.
Does it support zero?
No, because the reciprocal relationship is undefined at zero.