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Frequency Lab

Convert frequency, rotation and angular rate, then go further: period, wavelength, musical-note pitch, cents offset and tempo-delay timing in one free engineering studio.

Direct conversion

Target unit

Result

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—period

—rad/s

—RPM

—BPM

All equivalent rates

Period & wavelength

Frequency (Hz)

Propagation speed preset

Wave analysis

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—

Frequency from wavelength

Wavelength

Unit

Frequency at selected speed

—

f = v / λ

Pitch inspector

Frequency (Hz)

A4 tuning (Hz)

Nearest equal-tempered note

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Tempo → delay times

Tempo (BPM)