Interactive Tools
Piano Tools
Serial number lookup, chord builder, metronome, and cost calculator. All in one place.
Serial Number Lookup
Find the age and origin of your piano instantly.
Chord & Scale Builder
Build chords and scales interactively with audio playback.
Piano Chord Chart
Every chord on every root note, with the keys shown on a keyboard.
Circle of Fifths
Click a key to see its signature, scale and chords, and play them.
Online Metronome
Free in-browser metronome for practice.
Online Piano Tuner
Check how far your piano is from A440 with your microphone.
Tuning Cost Calculator
Estimate piano tuning cost for your instrument.
Explore chords, scales and keys
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