Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Music
Band EQ Frequency Calculator
Compute the effective frequency response of bell, high-pass, and shelf EQ bands given centre frequency, Q factor, and gain. Use it when setting up an equaliser in a mix or mastering session.
Fill in the required fields to see your result.
Music
Note Frequency Calculator
Converts any MIDI note number into its precise pitch frequency in Hz using A4 = 440 Hz reference tuning. Essential for synthesizer tuning, audio programming, and understanding the physics of musical pitch.
Fill in the required fields to see your result.
Key differences
| Band EQ Frequency Calculator | Note Frequency Calculator | |
|---|---|---|
| Category | Music | Music |
| Inputs required | 4 | 1 |
| Result | Affected Frequency Range (Hz) | Frequency (Hz) |
| What it does | Compute the effective frequency response of bell, high-pass, and shelf EQ bands given centre frequency, Q factor, and gain. Use it when setting up an equaliser in a mix or mastering session. | Converts any MIDI note number into its precise pitch frequency in Hz using A4 = 440 Hz reference tuning. Essential for synthesizer tuning, audio programming, and understanding the physics of musical pitch. |