|
Ratio
|
Decimal
|
Cents From Tonic
|
|
Cents Off Tempered
|
|
|
1/1
|
1.000000
|
00.000
|
Tonic D
|
0.000
|
|
|
81/80
|
1.012500
|
21.506
|
|
21.506
|
|
|
46/45
|
1.022222
|
38.051
|
|
38.051
|
|
|
31/30
|
1.033333
|
56.767
|
|
-43.230
|
|
|
25/24
|
1.041667
|
70.672
|
|
-29.330
|
|
|
256/243
|
1.053498
|
90.225
|
|
-9.775
|
|
| |
|
100.00
|
Tempered
|
D#/Eb
|
|
|
16/15
|
1.066667
|
111.73
|
|
11.731
|
|
|
27/25
|
1.080000
|
133.24
|
|
33.238
|
|
|
135/124
|
1.088710
|
147.14
|
|
47.143
|
|
|
11/10
|
1.100000
|
165.00
|
|
-35.000
|
|
|
10/9
|
1.111111
|
182.40
|
|
-17.600
|
|
| |
|
200.00
|
Tempered
|
E/Fb
|
|
|
9/8
|
1.125000
|
203.91
|
|
3.910
|
|
|
256/225
|
1.137778
|
223.46
|
|
23.463
|
|
|
15/13
|
1.153846
|
247.74
|
|
47.741
|
|
|
93/80
|
1.162500
|
260.68
|
|
-39.320
|
|
|
75/64
|
1.171875
|
274.58
|
|
-25.420
|
|
|
32/27
|
1.185185
|
294.13
|
|
-5.865
|
|
| |
|
300.00
|
Tempered
|
F/E#
|
|
|
6/5
|
1.200000
|
315.64
|
|
15.641
|
|
|
75/62
|
1.209677
|
329.55
|
|
29.547
|
|
|
128/105
|
1.219048
|
342.91
|
|
42.905
|
|
|
100/81
|
1.234568
|
364.81
|
|
-35.190
|
|
|
5/4
|
1.250000
|
386.31
|
|
-13.690
|
|
| |
|
400.00
|
Tempered
|
F#/Gb
|
|
|
81/64
|
1.265250
|
407.82
|
|
7.820
|
|
|
32/25
|
1.280000
|
427.37
|
|
27.373
|
|
|
31/24
|
1.291667
|
443.80
|
|
43.081
|
|
|
125/96
|
1.302083
|
456.99
|
|
-43.010
|
|
|
320/243
|
1.316872
|
476.54
|
|
-23.460
|
|
|
4/3
|
1.333333
|
498.04
|
|
-1.955
|
|
| |
|
500.00
|
Tempered
|
G
|
|
|
27/20
|
1.350000
|
519.55
|
|
19.551
|
|
|
512/375
|
1.365333
|
539.10
|
|
39.104
|
|
|
62/45
|
1.377778
|
554.81
|
|
-45.190
|
|
|
25/18
|
1.388889
|
568.72
|
|
-31.280
|
|
|
45/32
|
1.406250
|
590.22
|
|
-9.776
|
|
| |
|
600.00
|
Tempered
|
G#/Ab
|
|
|
64/45
|
1.422222
|
609.78
|
|
9.776
|
|
|
36/25
|
1.440000
|
631.28
|
|
31.283
|
|
|
90/62
|
1.451613
|
645.19
|
|
45.188
|
|
|
375/256
|
1.464844
|
660.90
|
|
-39.100
|
|
|
40/27
|
1.481481
|
680.45
|
|
-19.550
|
|
| |
|
700.00
|
Tempered
|
A
|
|
|
3/2
|
1.500000
|
701.96
|
|
1.955
|
|
|
243/160
|
1.518750
|
723.46
|
|
23.461
|
|
|
192/125
|
1.536000
|
743.01
|
|
43.014
|
|
|
31/20
|
1.550000
|
758.72
|
|
-41.280
|
|
|
25/16
|
1.562500
|
772.63
|
|
-27.370
|
|
|
128/81
|
1.580247
|
792.78
|
|
-7.820
|
|
| |
|
800.00
|
Tempered
|
A#/Bb
|
|
|
8/5
|
1.600000
|
813.69
|
|
13.686
|
|
|
50/31
|
1.612903
|
827.59
|
|
27.592
|
|
|
81/50
|
1.620000
|
835.19
|
|
35.193
|
|
|
400/243
|
1.646091
|
862.85
|
|
-37.150
|
|
|
5/3
|
1.666667
|
884.36
|
|
-15.640
|
|
| |
|
900.00
|
Tempered
|
B/Cb
|
|
|
27/16
|
1.687500
|
905.87
|
|
5.865
|
|
|
128/75
|
1.706670
|
925.42
|
|
25.418
|
|
|
31/18
|
1.722222
|
941.13
|
|
41.126
|
|
|
125/72
|
1.736111
|
955.03
|
|
-44.970
|
|
|
225/128
|
1.757813
|
976.54
|
|
-23.460
|
|
|
16/9
|
1.777778
|
996.09
|
|
-3.910
|
|
| |
|
1000.0
|
Tempered
|
C
|
|
|
9/5
|
1.800000
|
1017.6
|
|
17.596
|
|
|
29/16
|
1.812500
|
1029.6
|
|
29.577
|
|
|
11/6
|
1.833333
|
1049.4
|
|
49.363
|
|
|
50/27
|
1.851852
|
1066.8
|
|
-33.240
|
|
|
15/8
|
1.875000
|
1088.3
|
|
-11.730
|
|
| |
|
1100.0
|
Tempered
|
C#/Db
|
|
|
243/128
|
1.898438
|
1109.8
|
|
9.775
|
|
|
48/25
|
1.920000
|
1129.3
|
|
29.328
|
|
|
31/16
|
1.937500
|
1145.0
|
|
45.036
|
|
|
125/64
|
1.953125
|
1158.9
|
|
-41.060
|
|
|
160/81
|
13975309
|
1178.5
|
|
-21.510
|
|
|
2/1
|
2.000000
|
1200.0
|
Octave D
|
0.000
|