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Play (help·info)), while in equal temperament a perfect fourth is equal to five semitones, or 500 cents (see additive synthesis).
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Perfect fourth.
| Name | |
|---|---|
| Other names | diatessaron |
| Abbreviation | P4 |
| Size | |
| Semitones | 5 |
- How many semitones are in a major 4th?
- How many semitones are in a minor 4th?
- What is a perfect fourth in piano?
- How many semitones are in a perfect 5?
How many semitones are in a major 4th?
| Interval Name | Just | Number of Semitones |
|---|---|---|
| Third (major) | 5/4 | 4 |
| Fourth | 4/3 | 5 |
| Fifth | 3/2 | 7 |
| Sixth (minor) | 8/5 | 8 |
How many semitones are in a minor 4th?
Main intervals
| Number of semitones | Minor, major, or perfect intervals | Augmented or diminished intervals |
|---|---|---|
| 3 | Minor third | Augmented second |
| 4 | Major third | Diminished fourth |
| 5 | Perfect fourth | Augmented third |
| 6 | Diminished fifth |
What is a perfect fourth in piano?
The perfect fourth interval consists of two notes with five steps distance. For example, C to F note will result in this musical interval. The perfect fourth include one more semi-step compared to the major third (M3) and two semi-steps less compared to the perfect fifth (P5).
How many semitones are in a perfect 5?
A perfect fifth in just intonation corresponds to a pitch ratio of 2:3 or 1:1.5 while in an equal tempered tuning, a perfect fifth is equal to seven semitones, a ratio of 1:27/12 (approximately 1.4983), or 700 cents, two cents smaller.
