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A#4
440.0 Hz
0 cents
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Standard tuning:

Guitar

Violin

Ukulele

It is recommended to adjust your microphone level on the left panel to get a stable tune detection.

(*) Keep in mind common computer microphones may range from 100Hz to 14KHz, and low tune instruments like bass have note frequencies below 50Hz.

¡Start tuning!

We have detected your microphone and you're ready to tune :)

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This page uses your microphone to tune up your instrument.

If you have one, please make sure it is configured properly and you allow this page to use it.