music Calculators
Last updated: May 2026
BPM Tempo Calculator
Calculates beats per minute (BPM) from a tapped or counted beat over a measured time window.
Note Frequency Calculator
Converts any MIDI note number into its precise pitch frequency in Hz using A4 = 440 Hz reference tuning.
Chord Interval Calculator
Calculates the interval in semitones between any two MIDI notes, collapsed to a single octave.
Song Length Calculator
Calculates the total duration of a song in seconds from its number of bars, time signature, and tempo.
Delay Time Calculator
Calculates the exact delay time in milliseconds that syncs an echo effect to a given tempo and note value.
Reverb Time Calculator
Calculates reverberation decay time (RT60) for a room using its volume and total acoustic absorption.
Cents Tuning Calculator
Measures the pitch interval between two frequencies in cents, the standard unit for fine tuning.
dB Volume Calculator
Converts the ratio of two power levels into decibels (dB), the standard logarithmic unit for sound and signal strength.
Scale Degree Calculator
Finds the MIDI note number for any scale degree within a major or natural minor scale, given a root note.
Metronome Subdivision Calculator
Calculates the effective BPM for any rhythmic subdivision of a base tempo, so you can set a metronome or sequencer to the correct rate.
Harmonic Frequency Calculator
Find the frequency of any harmonic overtone by multiplying a fundamental frequency by the harmonic number.
Crossfader Curve Calculator
Compute the output mix level at any crossfader position for a given curve exponent.
Beat Grid Calculator
Convert a beat number into its exact sample position within an audio file at a given BPM and sample rate.
Vinyl RPM Pitch Calculator
Calculate the percentage pitch change when a vinyl record plays at a speed different from its original RPM.
Loop Length Calculator
Convert a musical loop length in bars into its duration in seconds at any tempo.
EQ Frequency Calculator
Find the target frequency after shifting a center frequency by a given number of semitones or octaves.
Compressor Ratio Calculator
Determine the output level of a dynamics compressor given an input level, threshold, and ratio.
Sample Rate Conversion Calculator
Calculate how many audio samples a file will contain after converting from one sample rate to another.
Limiter Ceiling Calculator
Calculate the output ceiling to set on a mastering limiter based on your target peak level and desired headroom.
MIDI Velocity Calculator
Convert a MIDI velocity value (0β127) to its equivalent level in decibels.
Phaser Rate Calculator
Sync your phaser's LFO to your track's tempo by converting BPM and cycles-per-bar into a precise rate in Hz.
Chorus Depth Calculator
Convert your chorus effect's modulation depth and delay time into a percentage figure that represents the intensity of pitch variation.
Flanger Feedback Calculator
Calculate the resonance boost in dB produced by a flanger's feedback circuit from a given feedback coefficient.
Tremolo Rate Calculator
Convert a musical note value and BPM into the exact tremolo LFO rate in Hz needed to sync amplitude modulation to your track's tempo.
Gate Threshold Calculator
Calculate the optimal noise gate threshold in dB by finding a level 30% of the way between your noise floor and your signal level.
Stereo Width Calculator
Calculate the stereo width ratio from mid-side (M/S) processing using mid and side channel gain values in dB.
Envelope Time Calculator
Convert an ADSR envelope stage duration from milliseconds into the equivalent number of audio samples at a given sample rate.
Filter Cutoff Calculator
Convert a MIDI note number and octave offset into its corresponding filter cutoff frequency in Hz.
Resonance Q Factor Calculator
Convert a synthesizer resonance control percentage into its equivalent Q factor value used in filter design.
BPM Tempo Converter
Calculate the duration in milliseconds of any musical note value at a given BPM and time signature.
Chord Progression Analyzer
Analyze harmonic tension in chord progressions using root note, scale type, degree, and voicing.
Reverb Decay Time Calculator
Calculate reverberation decay time (RT60) for a room based on its volume and acoustic absorption.
Musical Frequency Ratio Calculator
Convert semitone intervals into target frequencies and explore how tuning systems affect pitch relationships.
Audio File Size & Bitrate Calculator
Calculate the uncompressed or compressed file size of an audio recording in megabytes.
Metronome Subdivision Calculator
Calculate the precise pulse rate of any rhythmic subdivision or polyrhythm at a given tempo in BPM.
Guitar String Tension Calculator
Find the tension on any guitar string given your scale length, string gauge, tuning frequency, and material.
Vocal Range & Tessiture Calculator
Determine your vocal range span in semitones and identify your voice classification (soprano, tenor, bass, etc.) based on your lowest, highest, and comfortable singing notes.
Room Acoustics & Standing Wave Calculator
Identify the lowest standing wave (room mode) frequency in a rectangular room to spot bass buildup problems.
MIDI Velocity & Dynamics Calculator
Convert classical dynamic markings (pp, mp, ff, etc.) into MIDI velocity values (1β127) while adding accent weighting and subtle randomisation to mimic human performance nuance.
BPM Tempo Calculator
Calculate how many seconds a musical passage takes based on BPM, time signature, note value, and number of measures.
Guitar Fret Distance Calculator
Calculates the exact distance from the nut to each fret on a guitar, accounting for string gauge and compensation.
Frequency to Note Calculator
Converts any audio frequency in Hz to its closest musical note and MIDI number, with support for custom tuning standards.
Audio Delay Time Calculator
Calculates delay times in milliseconds that sync perfectly to a song's tempo, for any note division from whole notes to 32nd notes.
Speaker Crossover Frequency Calculator
Finds the optimal crossover frequency for a two-way speaker system using the geometric mean of the woofer's upper limit and the tweeter's lower limit.
Vinyl RPM Pitch Calculator
Calculates how a vinyl record's pitch changes when played back at a different RPM than its original recording speed.
Studio Acoustic Calculator
Estimate the reverberation time (RT60) of a recording studio or rehearsal room using its dimensions and surface absorption.
MIDI Velocity Dynamics Calculator
Transform raw MIDI velocity values using linear, soft, or hard curves to shape how dynamically expressive a performance feels.
Band EQ Frequency Calculator
Compute the effective frequency response of bell, high-pass, and shelf EQ bands given centre frequency, Q factor, and gain.
Frequency to Pitch Calculator
Convert any audio frequency in Hz to its position in cents relative to a reference pitch (default A4 = 440 Hz).
Reverb & Delay Time Calculator
Calculate tempo-synced delay times and reverb decay lengths in milliseconds based on BPM, note value, feedback, and room size.
Chord Frequency Analyzer
Find the exact frequency of any note in a chord given a root pitch, chord type, inversion, and octave.
Audio Crossfade Calculator
Compute the ideal crossfade duration in seconds for DJ mixes or audio edits based on BPM, transition style, and fade curve.
LUFS Loudness Calculator
Calculate how many LUFS of gain adjustment your audio needs to meet broadcast or streaming standards, and flag true-peak or dynamic-range compliance issues.
Sample Rate & Bit Depth Calculator
Calculate the uncompressed file size in megabytes for any combination of sample rate, bit depth, channel count, and duration.
Guitar String Tension Calculator
Calculate the tension in pounds for a guitar string based on scale length, gauge, target pitch, and material.
MIDI Velocity Curve Calculator
Map raw MIDI note velocity (0β127) to a shaped output velocity using curve types like linear, exponential, or soft.