List of third intervals

Third interval may refer to one of the following musical intervals in equal-temperament tuning:

• major third
• minor third
• augmented third
• diminished third

Alternatively, it may apply to

• neutral third

Table of thirds in equal temperaments tuning

Number of semitones	Minor, major, or perfect intervals	Short	Augmented or diminished intervals	Short	Widely used alternative names	Short	Audio
2	Major second	M2	Diminished third	d3	Tone, whole tone, whole step	T	<phonos file="Major second on C.mid">Play</phonos>
3	Minor third	m3	Augmented second	A2			<phonos file="Minor third on C.mid">Play</phonos>
4	Major third	M3	Diminished fourth	d4			<phonos file="Major third on C.mid">Play</phonos>
5	Perfect fourth	P4	Augmented third	A3			<phonos file="Perfect fourth on C.mid">Play</phonos>

See also

• List of musical intervals
• List of pitch intervals
• Third (music), which also includes third chords