Interval Identifier: Name the Distance Between Two Notes
Every pair of notes has a name for the gap between them. This tool counts the semitones and gives you that name.
What is the Interval Identifier?
Intervals are the distances between notes, and naming them is the first step in ear training and harmony. Pick two notes and this tool names the interval, from a unison up to an octave and beyond.
How to use it
- Enter your values in the fields provided.
- Click Identify Interval.
- Read the result and adjust an input if you want a different outcome.
Worked example
C to G spans 7 semitones, a perfect fifth, while C to E spans 4 semitones, a major third.
What interval is C to G?
C to G spans 7 semitones, which is a perfect fifth, one of the most stable intervals in harmony.
Frequently asked questions
What do I enter to get a result?
Fill in every field with your own numbers or choices, then run the tool. Empty number fields count as zero, so check them before you trust the output.
Can I reuse this result elsewhere?
Yes. The result is calculated in your browser from the values you entered, so you can copy the numbers into your own notes or plan.