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Angular Frequency (ω) ○◂｜Definition｜1st｜20260104235822-00-⌔

Angular frequency - Wikipedia

Angular frequency

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In physics, angular frequency (symbol ω), also called angular speed and angular rate, is a scalar measure of the angle rate (the angle per unit time) or the temporal rate of change of the phase argument of a sinusoidal waveform or sine function (for example, in oscillations and waves). Angular frequency (or angular speed) is the magnitude of the pseudovector quantity angular velocity.1

Angular frequency can be obtained by multiplying rotational frequency, ν (or ordinary frequency, f) by a full turn (2 π radians): ω = 2 π rad⋅ ν. It can also be formulated as ω = d θ/d t, the instantaneous rate of change of the angular displacement, θ, with respect to time, t.23

Printed 2026-06-28.

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Footnotes

  1. Cummings, Karen; Halliday, David (2007). Understanding physics. New Delhi: John Wiley & Sons, authorized reprint to Wiley – India. pp. 449, 484, 485, 487. ISBN 978-81-265-0882-2. (UP1) ↩

  2. “ISO 80000-3:2019 Quantities and units — Part 3: Space and time” (2 ed.). International Organization for Standardization. 2019. Retrieved 2019-10-23. [1] (11 pages) ↩

  3. Holzner, Steven (2006). Physics for Dummies. Hoboken, New Jersey: Wiley Publishing. pp. 201. ISBN 978-0-7645-5433-9. angular frequency. ↩

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