Frequency to Period Calculator

Calculate Period of One Cycle
Frequency (f) [?]
GHz MHz kHz Hz Select frequency unit hertz (Hz) kilohertz (kHz) megahertz (MHz) revolutions per minute (rpm) revolutions per second (rps) quectohertz (qHz) rontohertz (rHz) yoctohertz (yHz) zeptohertz (zHz) attohertz (aHz) femtohertz (fHz) picohertz (pHz) nanohertz (nHz) microhertz (µHz) millihertz (mHz) centihertz (cHz) decihertz (dHz) hertz (Hz) decahertz (daHz) hectohertz (hHz) kilohertz (kHz) megahertz (MHz) gigahertz (GHz) terahertz (THz) petahertz (PHz) exahertz (EHz) zettahertz (ZHz) yottahertz (YHz) ronnahertz (RHz) quettahertz (QHz) revolutions per second (rps) revolutions per minute (rpm) revolutions per hour (rph) revolutions per day (rpd) revolutions per week (rpwk) revolutions per month (rpmo) revolutions per year (rpy) cycles per second (cps) cycles per minute (cpm) cycles per hour (cph) cycles per day (cpd) cycles per week (cpwk) cycles per month (cpmo) cycles per year (cpy) radians per second (rad/s) radians per minute (rad/min) radians per hour (rad/h) radians per day (rad/d) radians per week (rad/wk) radians per month (rad/mo) radians per year (rad/yr) degrees per second (deg/s) degrees per minute (deg/min) degrees per hour (deg/h) degrees per day (deg/d) degrees per week (deg/wk) degrees per month (deg/mo) degrees per year (deg/yr)
Period (T) [?]
ps ns µs ms s Select period unit picoseconds (ps) nanoseconds (ns) microseconds (µs) milliseconds (ms) seconds (s) quectoseconds (qs) rontoseconds (rs) yoctoseconds (ys) zeptoseconds (zs) attoseconds (as) femtoseconds (fs) picoseconds (ps) nanoseconds (ns) microseconds (µs) milliseconds (ms) centiseconds (cs) deciseconds (ds) seconds (s) decaseconds (das) hectoseconds (hs) kiloseconds (ks) megaseconds (Ms) gigaseconds (Gs) teraseconds (Ts) petaseconds (Ps) exaseconds (Es) zettaseconds (Zs) yottaseconds (Ys) ronnaseconds (Rs) quettaseconds (Qs) seconds (s) minutes (min) hours (h) days (d) weeks (wk) months (mo) years (yr) julian years (a)

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User Guide

This tool will convert frequency to a period by calculating the time it will take to complete one full cycle or revolution at the specified frequency.

For each frequency entered a conversion scale will display for a range of frequency versus period values.

Formula

The formula used to calculate the period of one cycle or revolution is:

Wave or Rotational Frequency

T = 1 / f

Angular Frequency

T = 2 · π / ω (radians)
T = 360 / ω (degrees)

Symbols

• T = Time period of 1 cycle
• f = Frequency
• ω = Angular frequency
• π = Pi (constant)

Frequency Measured

Enter the frequency in number of cycles or revolutions per unit period of time.

Period Calculation

This is the amount of time it takes to complete one full cycle or revolution.