Six studio calculators under one roof β tempo, rhythm, space, pitch, overtones and harmony. No ads, no login, no latency. Just the numbers, beautifully set.
Version 1.0.0 Β· works fully offline Β· all downloads
Each calculator answers one studio question precisely β and every value is one click away from your clipboard.
BPM to milliseconds and hertz across a full subdivision matrix β straight, dotted, triplet. With tap tempo.
120 BPM Β· 1/4 = 500.00 msEuclidean pattern generator β distribute hits evenly across steps and audition grooves before you program them.
E(5,16) = x..x..x..x..x...Reverb pre-delay and decay, tempo-synced delay times β dial rooms that breathe with the track.
pre-delay β 62.5 msNotes to frequencies, octaves and tuning offsets β including reference pitches other than A=440.
A4 = 440.00 HzThe harmonic series over any fundamental β see which partials land on notes and which fall between.
fβ = 3 Γ 55 Hz = 165 HzAn interactive circle of fifths β related keys, relative minors and chord functions at a glance.
Fβ― min β A majSame calculator, three homes β in a browser tab next to your DAW, or as a native app on your desktop.
Free for everyone. The desktop apps are unsigned for now β on first launch use right-click β Open (Mac) or βMore info β Run anywayβ (Windows).