In a perfect interval: 7 and a half steps In a 5th diminish: 6 and a half steps
Going from b-flat and e-flat is equal to a perfect fourth interval, which is five semitones (or "half-steps").
2 Half steps
2
5
In a perfect interval: 7 and a half steps In a 5th diminish: 6 and a half steps
Five half-steps make a perfect fourth.
Within an octave there are four perfect intervals: perfect unison (P1), perfect fourth (P4), perfect fifth (P5), and perfect octave (P8).
Going from b-flat and e-flat is equal to a perfect fourth interval, which is five semitones (or "half-steps").
6 half steps
Four half steps, or two whole steps.
2 Half steps
2
5
It's the same as a minor 3rd, so it has three half steps, or one whole step and one half step
3
A semitone is one half-step.