Free Audio & Music Calculators
Free calculators for sound engineering, music production, studio setup and live sound. Fast, accurate, no signup required.
Sound & Acoustics
Calculate decibel levels, sound wavelengths, room acoustics, reverb times and noise reduction values.
12 calculators →
Music Theory
BPM, key transposition, intervals, chords, scales, tempo and tuning calculators for musicians.
10 calculators →
Recording
Sample rate, bit depth, file size, headroom, gain staging and recording time calculators.
13 calculators →
Mixing
Pan law, EQ frequency, compression ratio, stereo width and phase calculators for mixing engineers.
9 calculators →
Speakers & PA
Speaker power, impedance, SPL, crossover, amplifier sizing and cabinet design calculators.
12 calculators →
Headphones & IEM
Impedance matching, sensitivity, power requirements and DAC/amp calculators for headphones and IEMs.
8 calculators →
DJ & Production
BPM sync, harmonic mixing, delay time, LFO rate, loop length and set time calculators for DJs and producers.
9 calculators →
Cables & Connections
Cable length, signal loss, impedance, balanced vs unbalanced and cable gauge calculators.
10 calculators →
Studio Setup
Room dimensions, monitor placement, bass traps, acoustic panels, reflection points and isolation calculators.
10 calculators →
Acoustics
Room mode analysis, resonance identification and acoustic treatment calculators for studios and listening rooms.
1 calculators →
Digital
Buffer size, latency, streaming bitrate and digital audio processing calculators.
1 calculators →
Microphones
Polar pattern analysis, placement, sensitivity and microphone selection calculators.
2 calculators →
Audio Maths
dB conversions, frequency-to-note, wavelength, speed of sound, power, voltage and Ohm's law calculators.
8 calculators →
Live Sound
PA system sizing, speaker placement, delay timing and live sound reinforcement calculators.
2 calculators →
Synthesis
BPM-synced delay times, LFO rates, modulation timing and synthesiser parameter calculators.
1 calculators →
Vinyl & Turntable
Cartridge alignment, turntable setup, vinyl playback and record care calculators.
1 calculators →
Reference
Useful reference guides and charts for audio formats, cables, decibel levels and note frequencies.
4 guides →
AudioCalcs — Free Audio & Music Calculators
AudioCalcs offers 109+ free calculators across 16 categories. Every tool is fast, accurate, and requires no signup. Just enter your values and get instant results.
Browse all 109+ calculators or search above to find exactly what you need.