Music & Audio Tools | The Free Tools Directory

Screenshot of Audio File Size Calculator

Audio File Size Calculator6 options

This tool calculates estimated audio file sizes from duration plus sample rate, bit depth, channels, and optional bitrate for compressed formats. It provides results in multiple units and supports common formats like WAV, FLAC, MP3, and AAC. The page states the calculator is free to use with no signup required. ([safeaudiokit.com](https://safeaudiokit.com/calc/audio-file-size-calculator))

6 options🎵 Music & AudioMusic calculators

BPM Calculator6 options

The BPM-to-milliseconds tool converts tempo into beat duration and shows a full note-duration table (whole, half, quarter, eighth, sixteenth, plus dotted and triplet values). It also supports tap tempo and note-division selection, so users can quickly derive exact rhythmic durations at any BPM.

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Music Interval Calculator2 options

Calculates music intervals between two notes by inputting their names (e.g., A4 to C5). Users enter the start and end notes, and the tool determines the interval type (unison, second, third, etc.) along with its numerical value. Perfect for musicians, composers, and students learning music theory to understand chord progressions and harmonic relationships.

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Chord Calculator

Calculates chord progressions by determining the notes that make up a specified chord, using standard music theory principles. Users input a chord type (e.g., major, minor) and key, and receive a list of corresponding musical notes. Musicians, composers, and anyone interested in understanding or creating chord progressions will find this tool useful for learning and practicing music composition, arranging, and improvisation. It aids in quickly identifying the correct notes for harmonizing melodies and developing complex chord structures.

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Chord Finder

Calculates the chord based on detected notes, helping musicians identify musical progressions. Ideal for songwriters, guitarists, and anyone looking to understand music theory through practical application. Helps users quickly determine the chord they're hearing or playing by inputting individual notes, making it a valuable tool for both learning and performing music.

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Key Signature Calculator

Calculates key signatures for musical pieces, determining the number of sharps or flats based on the tonic note. Users input the tonic note (e.g., C, G#, F), and the calculator outputs the key signature, helping musicians understand the tonality of a piece quickly. Musicians, composers, and students would use this tool to identify key signatures in music scores, facilitating their composition, analysis, and improvisation by providing immediate visual confirmation of sharp or flat usage.

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Music Scale Calculator

Calculates semitone patterns, numeric formulas, and notes for over 60 music scales. Enter a scale type or custom interval to find detailed information about its composition and notes. Musicians, composers, students, and anyone interested in understanding musical scales will use this tool to learn, practice, and analyze different musical scales. It aids in composing by providing scale formulas and note sequences, helping musicians understand the structure of various musical styles.

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Music Transposition Calculator

Calculates music transpositions to different keys using user inputted musical notes. The tool accepts standard Western musical notation and allows for easy key changes, facilitating composition, arrangement, and performance across various musical genres. Musicians, composers, performers, and music educators use this calculator to quickly adjust their compositions or arrangements to suit different instruments or vocal ranges without manual note-by-note transcription.

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Port Length Calculator

Calculates subwoofer vent length based on speaker size and desired bass response frequency. Enter details like cone diameter, voice coil diameter, and target low-pass filter crossover frequency, then click calculate to get precise port length recommendations. Ideal for DIY audio enthusiasts building custom speakers or upgrading existing systems to improve bass performance.

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Speaker Box Calculator

This speaker box calculator will help you find the board measurements for your do-it-yourself speaker box and your speaker box's internal volume. Also, you can determine your speaker driver's approximate displacement.

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Total Harmonic Distortion Calculator

Calculates total harmonic distortion by converting signal distortion between percent and decibel values, aiding in audio quality assessment and optimization. Useful for musicians, audio engineers, and sound technicians to measure and improve the fidelity of audio signals.

1 option🎵 Music & AudioTech and electronics calculators

Delay and Reverb Calculator

Calculates the optimal delay and reverb times for your music or audio projects, ensuring sound synchronization with your song. Enter your song's BPM and desired delay/reverb effect duration, then press calculate to get precise timing adjustments. Musicians, producers, and audio engineers use this tool to maintain consistent sound throughout their compositions, preventing phase shifts and ensuring a cohesive listening experience.

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Chord Inversion Calculator

Calculates chord inversions by identifying the root note, third, fifth, and any additional notes within a given chord. Users input chord symbols or interval patterns to receive detailed information about chord construction and inversion order. Musicians, composers, and audio professionals use this tool to enhance their understanding of harmony, improve their ability to transpose music, and aid in improvisation by providing clear, visual representations of chord structures and their inversions.

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Fret Calculator

Planning to build your very own DIY guitar or ukulele? This fret calculator will help you determine the precise positions where you should place the frets on your instrument's fingerboard. Hop in to learn more about it.

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Harmonic Series Calculator

Calculates frequencies in harmonic series for musical notes, aiding users in understanding and creating melodies by providing precise intervals between pitches. Helps musicians and music enthusiasts to explore musical scales, chords, and harmonies through easy-to-use calculations of harmonic ratios. Students, composers, and anyone interested in music theory can use it to deepen their knowledge of how notes relate to each other and to discover new combinations for songs and arrangements.

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Music Duration Calculator

The music duration calculator determines how long your musical piece will take to perform by using the piece's time signature, tempo, and a number of measures, as well as an easy formula.

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Note Frequency Calculator

Calculates the frequency of a musical note based on its name, offering quick reference for musicians and music enthusiasts alike. Users simply input the note (e.g., A4, C#5) and receive the corresponding frequency in Hertz, facilitating tasks such as tuning instruments or understanding audio properties. Musicians, composers, students, and anyone working with sound or music theory can benefit from this tool, providing quick, accurate frequency data to enhance their work.

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Chord Progression Generator

Generates chord progressions for songs in specific keys, aiding musicians in composing harmonies and arranging music. Users input a desired key and chord progression type, and the tool provides the corresponding chord sequence, streamlining the creative process for songwriters and composers. Helps users who need to create or understand musical harmony by providing a quick and easy method to generate chord progressions tailored to their needs, whether for writing new songs, arranging existing pieces, or improving their understanding of music theory.

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Chord Transposer

Translates chords between musical keys, facilitating key changes in songs by adjusting note values up or down as needed. Ideal for musicians, composers, and audio producers looking to transpose music for different settings or personal preference without altering original compositions.

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Guitar String Tension Calculator

Calculates the tension on guitar strings based on gauge, scale length, and tuning pitch. Enter the specific details of your guitar's setup, and the calculator provides the precise tension in pounds or newtons. Musicians, guitar technicians, and anyone interested in understanding their instrument's mechanics would find this tool helpful. It aids in string selection, tuning accuracy, and overall instrument setup for optimal performance and longevity.

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Quiz: Port Length Calculator

Calculates optimal port lengths for bass speakers based on enclosure volume and desired frequency response, helping users design more effective audio systems. Ideal for DIY audio enthusiasts, sound engineers, and anyone looking to improve the bass quality of their speakers or subwoofers through proper port tuning. Helps users achieve better sound performance by providing accurate calculations for port length in speaker enclosures, taking into account factors like enclosure size and frequency range. Perfect for those wanting to fine-tune their audio setups at home or in professional environments where precise sound reproduction is critical.

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Semitone Calculator

Calculates the distance between two musical frequencies in semitones using their respective pitches. Enter two notes, and the calculator determines their interval on the chromatic scale, helpful for musicians to understand chord progressions or transposition. Musicians, composers, and music theory students use it to quickly assess intervals between notes, aiding in accurate compositions and performances.

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Streaming Services' Royalties Calculator

The streaming royalties calculator allows you to check the estimated amount of royalties an artist gets from your usage of popular streaming services.

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Vocal Range Calculator

Calculates your vocal range by determining pitch, helps users identify their voice type among classical categories like soprano, mezzo-soprano, alto, tenor, baritone, and bass. Ideal for singers, musicians, teachers, and anyone interested in understanding their vocal capabilities and potential.

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