Interval Trainer
Select a root note and an interval to see its name, semitone count, and the resulting note — then hear both notes played in sequence.
100% client-side · no upload
Root
Interval
Upper Note
How to use
- Select a root note (default C4, middle C).
- Choose an interval from the dropdown.
- The upper note is shown — click Play to hear both notes in sequence.
Related music tools
- Chord Finder — build chords from their intervals
- Scale Builder — see all intervals in a scale
- Note Frequency Calculator — see Hz for any note
よくある質問
- Is this interval trainer free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All audio uses the Web Audio API inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The interval trainer works on iPhone Safari and Android Chrome. Turn up your volume to hear the notes.