🎵 Music

💿Album & Playlist Duration Calculator Estimate the total runtime of an album or playlist from track count and average length, free online. 🔈Amplifier Watts Needed (SPL) Calculator Work out how many amplifier watts you need to reach a target volume at your listening distance from speaker sensitivity, free online. 🔊Audio File Size Calculator Calculate the file size of uncompressed (WAV) or compressed (MP3/AAC) audio from duration, sample rate, bit depth and channels, free online. 🎚️BPM to Delay Time Calculator Convert a tempo in BPM to delay times for quarter, eighth and sixteenth notes, free online. 🎵Cents Between Frequencies Calculator Calculate the interval in cents between two frequencies, free online. 🎹Chord Notes Finder Find the notes in any major, minor, seventh, diminished or suspended chord, free online. 🎹Chord Progression Generator Generate the chords of popular progressions (I–V–vi–IV, ii–V–I, 12-bar blues …) in any major or minor key, free online. 🔊Decibel Calculator Calculate sound level in decibels from sound intensity, free online. 🎸Guitar Fretboard Note Finder Find the note name and frequency at any fret on any string of a guitar or bass in standard tuning, free online. 〰️Harmonic Series Calculator List the first harmonics (overtones) of a fundamental frequency with the nearest note name and cents deviation, free online. 🎸Key Transposer & Capo Calculator Find the semitone shift and guitar capo fret to move a song to another key, free online. ⏱️Measure & Song Length Calculator Calculate how long a bar lasts and the total time for a number of bars, free online. 🎼Musical Interval Calculator Name the interval between two notes and get its semitones, frequency ratio and cents, free online. 🎼Musical Note Frequency Calculator Calculate the frequency of a musical note from its semitone distance from A4, free online. 🎹Pitch Shift Calculator Calculate the new frequency after shifting a pitch by a number of semitones, free online. 🎙️Recording Studio Cost Calculator Estimate the cost of recording, mixing and mastering an EP or album from studio hours, engineer fees and track count, free online. 🔈Reverb Time (RT60) Calculator Estimate a room's reverberation time with Sabine's formula, free online. 🤝Royalty Split Calculator Divide song or project earnings between songwriters, producers and performers by their percentage shares, free online. 🎼Scale Notes Finder Find the notes in major, minor, pentatonic, blues and modal scales, free online. 🔊Speaker SPL Calculator Estimate sound pressure level from speaker sensitivity, power and distance, free online. 🎧Streaming Royalty Estimate Calculator Estimate what a number of streams pays after the platform, label and distributor take their cut, free online. 🎻String Tension Calculator Calculate the tension of an instrument string, free online. 🪘Tempo Marking (BPM to Italian Term) Calculator Convert a BPM to its Italian tempo marking (Largo, Andante, Allegro …) and see beat, bar and song timing, free online.