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Both calculators run independently — change the inputs on either side to compare results.

Music

Frequency to Note Calculator

Converts any audio frequency in Hz to its closest musical note and MIDI number, with support for custom tuning standards. Useful for tuning instruments, analyzing recordings, and exploring alternative temperaments.

Fill in the required fields to see your result.
Music

Reverb Decay Time Calculator

Calculate reverberation decay time (RT60) for a room based on its volume and acoustic absorption. Use it when designing a studio, rehearsal space, or live venue to match reverb tail length to your musical genre.

Fill in the required fields to see your result.

Key differences

Frequency to Note CalculatorReverb Decay Time Calculator
CategoryMusicMusic
Inputs required33
ResultMIDI Note NumberOptimal Decay Time (seconds)
What it doesConverts any audio frequency in Hz to its closest musical note and MIDI number, with support for custom tuning standards. Useful for tuning instruments, analyzing recordings, and exploring alternative temperaments.Calculate reverberation decay time (RT60) for a room based on its volume and acoustic absorption. Use it when designing a studio, rehearsal space, or live venue to match reverb tail length to your musical genre.