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Singing Bowl Frequency & Notes Analyzer

Live Singing Bowl Frequency Analyzer

Use this tool to observe your singing bowl’s fundamental tone (main note) and its overtones (higher harmonics) in real time. For stable results, strike the bowl once, let it ring, then press Freeze.

Tuning:
Click Start Analyzer to grant microphone access.
Detected Fundamental
— Hz
Musical note: —
Offset: —
Nearest pitch: —
Top Peaks
Note: Sometimes an overtone appears louder than the fundamental. For singing bowls, treat the left-most strong peak as the fundamental tone.
Tip
Gently strike the bowl once and let it resonate without interruption. Singing bowls produce shifting overtones, so the clearest note often appears after the initial strike settles. Press Freeze when the sound becomes smooth and consistent to capture the most reliable reading. If the display jumps, try striking a little softer, move the bowl away from hard surfaces, and freeze after 2–4 seconds of steady ringing.

 

Privacy note: This analyzer processes audio locally in your browser after you click Start. We do not record, store, or upload microphone audio.

Disclaimer: We provide both A4=440 Hz and A4=432 Hz references for note identification. We do not claim one system is “better,” and we do not promote fixed “healing frequencies.” Use this as a gentle guide alongside your personal listening experience.


How to Read the Musical Note and Octave

When the analyzer shows a result like C4 or G3, it gives two pieces of information: the musical note (C, D, E, F, G, A, B) and the octave number (how high or low that note sits).

  • Octave changes the “height” of the same note: C3 is deeper than C4, and C4 is deeper than C5.
  • Each octave up roughly doubles the frequency: A3 ≈ 220 Hz, A4 ≈ 440 Hz (A4=440 system).
  • For bowls: lower octaves often feel grounding and spacious; higher octaves often feel bright and uplifting.

A singing bowl also produces multiple tones at once. The analyzer helps you see these:

  • Fundamental note = the main tone (your “Detected Fundamental”).
  • Overtones = higher peaks that add shimmer and texture.

Frequency Chart (Equal Temperament) – A4 = 440 Hz

Use this chart to match the fundamental frequency you see in the analyzer (Hz) to the closest musical note and octave. Example: ~261.6 Hz is closest to C4.

Note Oct 0 Oct 1 Oct 2 Oct 3 Oct 4 Oct 5 Oct 6 Oct 7 Oct 8
C 16.35 32.70 65.41 130.81 261.63 523.25 1046.50 2093.00 4186.01
C#/Db 17.32 34.65 69.30 138.59 277.18 554.37 1108.73 2217.46 4434.92
D 18.35 36.71 73.42 146.83 293.66 587.33 1174.66 2349.32 4698.63
D#/Eb 19.45 38.89 77.78 155.56 311.13 622.25 1244.51 2489.02 4978.03
E 20.60 41.20 82.41 164.81 329.63 659.25 1318.51 2637.02 5274.04
F 21.83 43.65 87.31 174.61 349.23 698.46 1396.91 2793.83 5587.65
F#/Gb 23.12 46.25 92.50 185.00 369.99 739.99 1479.98 2959.96 5919.91
G 24.50 49.00 98.00 196.00 392.00 783.99 1567.98 3135.96 6271.93
G#/Ab 25.96 51.91 103.83 207.65 415.30 830.61 1661.22 3322.44 6644.88
A 27.50 55.00 110.00 220.00 440.00 880.00 1760.00 3520.00 7040.00
A#/Bb 29.14 58.27 116.54 233.08 466.16 932.33 1864.66 3729.31 7458.62
B 30.87 61.74 123.47 246.94 493.88 987.77 1975.53 3951.07 7902.13

Frequency Chart (Equal Temperament) – A4 = 432 Hz

This chart lists the same equal-temperament notes using the A4 = 432 Hz reference. It is provided for comparison only. Use whichever reference best matches your preference and listening practice.

Note Oct 0 Oct 1 Oct 2 Oct 3 Oct 4 Oct 5 Oct 6 Oct 7 Oct 8
C 16.05 32.11 64.22 128.43 256.87 513.74 1027.47 2054.95 4109.90
C#/Db 17.01 34.02 68.04 136.07 272.14 544.29 1088.57 2177.14 4354.29
D 18.02 36.04 72.08 144.16 288.33 576.65 1153.30 2306.60 4613.21
D#/Eb 19.09 38.18 76.37 152.74 305.47 610.94 1221.88 2443.76 4887.52
E 20.23 40.45 80.91 161.82 323.63 647.27 1294.54 2589.07 5178.15
F 21.43 42.86 85.72 171.44 342.88 685.76 1371.51 2743.03 5486.06
F#/Gb 22.70 45.41 90.82 181.63 363.27 726.53 1453.07 2906.14 5812.28
G 24.05 48.11 96.22 192.43 384.87 769.74 1539.47 3078.95 6157.89
G#/Ab 25.48 50.97 101.94 203.88 407.75 815.51 1631.01 3262.03 6524.06
A 27.00 54.00 108.00 216.00 432.00 864.00 1728.00 3456.00 6912.00
A#/Bb 28.61 57.21 114.42 228.84 457.69 915.38 1830.75 3661.50 7323.01
B 30.31 60.61 121.23 242.45 484.90 969.81 1939.61 3879.23 7758.46