Just Intonation

27 Hz - A - chromatic

Wolf Interval = G/D

Tone Frequency
Hz
Interval
reference
Ratio Interval
A-1 13,5      
A0 27 A0 27 Hz 1/1 prime
Bb0 28,8 A0 27 Hz 16/15 minor second
B0 30,375 A0 27 Hz 9/8 major second
C1 32,4 A0 27 Hz 6/5 minor third
Db1 33,75 A0 27 Hz 5/4 major third
D1 36 A0 27 Hz 4/3 perfect fourth
Eb1 37,7 A0 27 Hz 45/32 augmented fourth
E1 40,5 A0 27 Hz 3/2 perfect fifth
F1 43,2 A0 27 Hz 8/5 minor sixth
Gb1 45 A0 27 Hz 5/3 major sixth
G1 48,5 A0 27 Hz 9/5 16/9 minor seventh
Ab1 50,625 A0 27 Hz 15/8 major seventh
A1 54 A1 54 Hz 1/1 prime
Bb1 57,60 A1 54 Hz 16/15 minor second
B1 60,75 A1 54 Hz 9/8 major second
C2 64,8 A1 54 Hz 6/5 minor third
Db2 67,5 A1 54 Hz 5/4 major third
D2 72 A1 54 Hz 4/3 perfect fourth
Eb2 75,94 A1 54 Hz 45/32 augmented fourth
E2 81 A1 54 Hz 3/2 perfect fifth
F2 86,4 A1 54 Hz 8/5 minor sixth
Gb2 90 A1 54 Hz 5/3 major sixth
G2 97,2 A1 54 Hz 9/5 minor seventh
Ab2 101,25 A1 54 Hz 15/8 major seventh
A2 108 A2 108 Hz  1/1 prime
Bb2 115,2 A2 108 Hz 16/15 minor second
B2 121,5 A2 108 Hz 9/8 major second
C3 129,6 A2 108 Hz 6/5 minor third
Db3 135 A2 108 Hz 5/4 major third
D3 144 A2 108 Hz 4/3 perfect fourth
Eb3 151,88 A2 108 Hz 45/32 augmented fourth
E3 162 A2 108 Hz 3/2 perfect fifth
F3 172,8 A2 108 Hz 8/5 minor sixth
Gb3 180 A2 108 Hz 5/3 major sixth
G3 194,4 A2 108 Hz 9/5 minor seventh
Ab3 202,5 A2 108 Hz 15/8 major seventh
A3 216 A3 216 Hz 1/1 prime
Bb3 230,4 A3 216 Hz 16/15 minor second
B3 243 A3 216 Hz 9/8 major second
C4 259,2 A3 216 Hz 6/5 minor third
Db4 270 A3 216 Hz 5/4 major third
D4 288 A3 216 Hz 4/3 perfect fourth
Eb4 303,75 A3 216 Hz 45/32 augmented fourth
E4 324 A4 216 Hz 3/2 perfect fifth
F4 345,6 A3 216 Hz 8/5 minor sixth
Gb4 360 A3 216 Hz 5/3 major sixth
G4 388,8 A3 216 Hz 9/5 minor seventh
Ab4 405 A3 216 Hz 15/8 major seventh
A4 432 A4 432 Hz  1/1 prime
Bb4 460,8 A4 432 Hz 16/15 minor second
H4 486 A4 432 Hz 9/8 major second
C5 518,4 A4 432 Hz 6/5 minor third
Db5 540 A4 432 Hz 5/4 major third
D5 576 A4 432 Hz 4/3 perfect fourth
Eb5 607,5 A4 432 Hz 45/32 augmented fourth
E5 648 A4 432 Hz 3/2 perfect fifth
F5 691,2 A4 432 Hz 8/5 minor sixth
Gb5 720 A4 432 Hz 5/3 major sixth
G5 777,6 A4 432 Hz 9/5 minor seventh
Ab5 810 A4 432 Hz 15/8 major seventh
A5 864
A5 864 Hz 1/1 prime
Bb5 921,6 A5 864 Hz 16/15 minor second
H5 972 A5 864 Hz 9/8 major second
C6 1036,8 A5 864 Hz 6/5 minor third
Db6 1080 A5 864 Hz 5/4 major third
D6 1152 A5 864 Hz 4/3 perfect fourth
Eb6 1215 A5 864 Hz 45/32 augmented fourth
E6 1296 A5 864 Hz 3/2 perfect fifth
F6 1382,4 A5 864 Hz 8/5 minor sixth
Gb6 1440 A5 864 Hz 5/3 major sixth
G6 1555,2 A5 864 Hz 9/5 minor seventh
Ab6 1620 A5 864 Hz 15/8 major seventh
A6 1728 A6 1728 Hz 1/1 prime
Bb6 1843,2 A6 1728 Hz 16/15 minor second
B6 1944 A6 1728 Hz 9/8 major second
C7 2073,6 A6 1728 Hz 6/5 minor third
Db7 2160 A6 1728 Hz 5/4 major third
D7 2304 A6 1728 Hz 4/3 perfect fourth
Eb7 2430 A6 1728 Hz 45/32 augmented fourth
E7 2592 A6 1728 Hz 3/2 perfect fifth
F7 2764,8 A6 1728 Hz 8/5 minor sixth
Gb7 2888 A6 1728 Hz 5/3 major sixth
G7 3110,4 A6 1728 Hz 9/5 minor seventh
Ab7 3240 A6 1728 Hz 15/8 major seventh
A7 3456 A7 3456 Hz 1/1 prime
Bb7 3686,4 A7 3456 Hz 16/15 minor second
B7 3888 A7 3456 Hz 9/8 major second
C8 4147,2 A7 3456 Hz 6/5 minor third