Audio File Size Calculator
Estimate uncompressed PCM or compressed audio size from duration and format settings.
Open toolAudio tools and converters
Fast, private browser-based calculations for file planning, production timing, acoustics, level, pitch, and tuning. Every tool includes its formula, assumptions, practical guide, and related AudioLover reading.
Runs in your browser: these tools do not upload audio or require an account. Results are planning estimates; confirm important production settings in your DAW, editor, meter, or measurement software.
Files & formats
1 toolTempo & timing
1 toolBPM to Milliseconds Converter
Convert tempo into note lengths, delay times, and LFO timing in milliseconds.
Open toolDigital audio
1 toolSamples to Time Converter
Convert a sample count to milliseconds, seconds, and distance at common sample rates.
Open toolSound & acoustics
1 toolFrequency and Wavelength Converter
Convert frequency to wavelength and period using an adjustable speed of sound.
Open toolLevel & gain
1 toolDecibel and Ratio Converter
Convert decibels to amplitude and power ratios, or convert a ratio back to dB.
Open toolMusic & tuning
1 toolPitch and Frequency Converter
Convert MIDI note numbers and note names to equal-tempered frequencies with adjustable concert pitch.
Open tool