Music & Audio

Music & Audio Calculators

Convert tempo, frequency, notes, keys, and audio timing for musicians and producers.

Find a tool in Music & Audio

14 tools

Audio File Size Calculator

Audio file size calculator: uncompressed size from duration, sample rate, bit depth, and channels.

Chord progression generator: common diatonic progressions in any key, computed locally.

Delay time calculator: note-based delay milliseconds from BPM for quarter, eighth, dotted, and triplet notes.

Equalizer Q calculator: filter Q from center frequency and bandwidth, in Hz or octaves.

Music interval calculator: interval name and semitone distance between two notes.

Tempo change calculator: new BPM after shifting pitch by semitones.

Calculate the new duration when audio playback speed changes.

Convert beats per minute to milliseconds for note divisions used in music production.

Convert a sound frequency to its closest musical note with cents deviation.

Transpose music between keys by semitones for any instrument or vocal range.

Convert traditional tempo markings to BPM and see milliseconds per beat.

Find the notes in any major, minor, pentatonic, blues, or modal scale from a root.

Calculate pitch change when a record plays at the wrong turntable speed.

Convert decibels to power or amplitude ratios for audio gain changes.