Hearing-range tone
20000 Hz — 20 kHz Upper Limit
20 kHz is the traditional upper limit of human hearing. Most adults can't hear it at all, and many speakers can't reproduce it either.
Audio visualization
Hz
20 Hz20 kHz
Waveform
Volume50%
L/R BalanceCenter
Tap a note to play its exact pitch — C1 to B8
Presets — one tap to start
Scale
Repeat
Press Space to play
About the 20000 Hz tone
About 20 kHz is as high as human hearing is usually said to reach, and even that mostly applies to young children. For most adults this tone is silent — and plenty of everyday speakers and earbuds do not reproduce 20 kHz cleanly, so hearing nothing is completely normal.
To find your own upper limit, start lower — around 15 kHz — and step upward. This is a casual curiosity check, not a medical hearing test.
Technical details
- Frequency
- 20000 Hz
- Nearest note
- D#10 (+8¢)
- Category
- Hearing-range tone
- Period
- 0.0500 ms
- Wavelength (air)
- 1.7 cm
- Octave up / down
- 40000 Hz / 10000 Hz
Common uses
- Test the very top of your hearing range
- Check whether high-end gear reproduces 20 kHz
- The “can you hear 20000 Hz?” curiosity test