Intervals are the distance between 2 notes in music. we measure the distances in half-steps (or semi-tones). 1 half-step/semi-tone is 1 note apart; i.e. the distance between B – C or F – F# etc. 

The order of intervals is as follows:

  • Unison – 0 half-steps
  • minor 2nd – 1 half-step
  • Major 2nd – 2 half-steps
  • minor 3rd – 3 half-steps
  • Major 3rd – 4 half-steps
  • Perfect 4th – 5 half-steps
  • Augmented 4th – 6 half-steps
  • Perfect 5th – 7 half-steps
  • minor 6th – 8 half-steps
  • Major 6th – 9 half-steps
  • minor 7th – 10 half-steps
  • Major 7th – 11 half-steps
  • Perfect 8th – 12 half-steps

Below is a diagram of intervals on a bass fret board. We have used A as our root note highlighted in red.

Bass fretboard - all intervals.jpg

When beginning to learn your intervals on the bass, you should start with your root notes. once you are able to locate your root notes in all positions move on to your Major 3rds, Perfect 4ths, Perfect 5ths and Major 7ths. get use to these and then learn the rest.

If you feel comfortable with intervals, click here for our intervals theory lesson – which will help you build scales!

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