How to tune your guitar to 432 Hz
- Tap Start listening and allow microphone access.
- Pluck one string at a time, starting with the lowest E string.
- Tighten a flat string or loosen a sharp string.
- Stop when the meter is green and centered for each string.
432 Hz target frequencies
The string targets, low to high, are E2 80.91, A2 108.00, D3 144.16, G3 192.43, B3 242.45, and E4 323.63 Hz.
This keeps standard tuning intervals while setting A4 to 432 Hz. It is about 31.8 cents lower than A4 = 440 Hz.
Pitch analysis happens locally in your browser. Microphone audio is not recorded, saved, or uploaded.