What Are The 4 Major Intervals In A Major Scale?

What Are The 4 Major Intervals In A Major Scale? Intervals in Major Scales When measured up from the tonic, major scales use only major intervals (2nd, 3rd, 6th, and 7th) and perfect intervals (unison, 4th, 5th, and octave). What are major and perfect intervals? If it is: the interval is perfect (if it is