Ratio:	Cents	Name (if any)
1/1	0.000	tonic
32805/32768	1.954	schisma (3 to the 8th/2 to the 12th x 5/8)
126/125	13.795
121/120	14.367
100/99	17.399
99/98	17.576
81/80	21.506	syntonic comma
531441/524288	23.460	Pythagorean comma (3 to the 12th/2 to the 19th)
65/64	26.841	65th harmonic
64/63	27.264
63/62	27.700
58/57	30.109
57/56	30.642
56/55	31.194	Ptolemy's enharmonic
55/54	31.767
52/51	33.617
51/50	34.283
50/49	34.976
49/48	35.697
46/45	38.051	inferior quarter-tone (Ptolemy)
45/44	38.906
128/125	41.059	diminished second (16/15 x 24/25)
525/512	43.408	enharmonic diesis (Avicenna)
40/39	43.831
39/38	44.970	superior quarter-tone (Eratosthenes)
77/75	45.561
36/35	48.770	superior quarter-tone (Archytas)
250/243	49.166
35/34	50.184	E.T. 1/4-tone approximation
34/33	51.682
33/32	53.273	33rd harmonic
32/31	54.964	inferior quarter-tone (Didymus)
125/121	56.305
31/30	56.767	superior quarter-tone (Didymus)
30/29	58.692
29/28	60.751
57/55	61.836
28/27	62.961	inferior quarter-tone (Archytas)
80/77	66.170
27/26	65.337
26/25	67.900	1/3-tone (Avicenna)
51/49	69.259
126/121	70.100
25/24	70.672	minor 5-limit half-step
24/23	73.681
117/112	75.612
23/22	76.956
67/64	79.307	67th harmonic
22/21	80.537	hard 1/2-step (Ptolemy, Avicenna, Safiud)
21/20	84.467
81/77	87.676
20/19	88.801
256/243	90.225	Pythagorean half-step
58/55	91.946
135/128	92.179	limma ascendant
96/91	92.601
19/18	93.603
55/52	97.104
128/121	97.364
18/17	98.955	E.T. half-step approximation
2 to the 1/12th	100.000	equal-tempered half-step
35/33	101.867
52/49	102.876
86/81	103.698
17/16	104.955	overtone half-step
33/31	108.237
49/46	109.377
16/15	111.731	major 5-limit half-step
31/29	115.458
77/72	116.234
15/14	119.443	Cowell just half-step
29/27	123.712
14/13	128.298
69/64	130.229	69th harmonic
55/51	130.721
27/25	133.238	alternate Renaissance half-step
121/112	133.810
13/12	138.573	3/4-tone (Avicenna)
64/59	140.828
38/35	142.373
63/58	143.159
88/81	143.498
25/23	144.353
62/57	145.568
135/124	147.143
49/45	147.428
12/11	150.637	undecimal "median" 1/2-step
59/54	153.307
35/32	155.140	35th harmonic
23/21	157.493
57/52	158.940
34/31	159.920
800/729	160.897
56/51	161.915
11/10	165.004
54/49	168.213
32/29	170.423
21/19	173.268
31/28	176.210
567/512	176.646
51/46	178.636
71/64	179.697	71st harmonic
10/9	182.404	minor whole-tone
49/44	186.334
39/35	187.343
29/26	189.050
125/112	190.115
48/43	190.437
19/17	192.558
160/143	194.468
28/25	196.198
121/108	196.771
55/49	199.980
2 to the 1/6th	200.000	equal-tempered whole-tone
64/57	200.532
9/8	203.910	major whole-tone
62/55	207.404
44/39	208.835
35/31	210.104
26/23	212.253
112/99	213.598
17/15	216.687
25/22	221.309
58/51	222.667
256/225	223.463
33/29	223.696
729/640	225.416
57/50	226.841
73/64	227.789	73rd harmonic
8/7	231.174	septimal whole-tone
63/55	235.104
55/48	235.677
39/34	237.527
225/196	238.886
31/27	239.171
147/128	239.607
169/147	241.449
23/20	241.961
2187/1900	243.545
38/33	244.240
144/125	244.969	diminished third (6/5 x 24/25)
121/105	245.541
15/13	247.741
52/45	250.304
37/32	251.344	37th harmonic
81/70	252.680
125/108	253.076
22/19	253.805
51/44	255.592
196/169	256.596	consonant interval (Avicenna)
29/25	256.950
36/31	258.874
93/80	260.677
57/49	261.816
64/55	262.368
7/6	266.871	septimal minor third
90/77	270.080
75/64	274.582	augmented second (9/8 x 25/24)
34/29	275.378
88/75	276.736
27/23	277.591
20/17	281.358
33/28	284.447
46/39	285.792
13/11	289.210
58/49	291.925
45/38	292.711
32/27	294.135	Pythagorean minor third
19/16	297.513	overtone minor third
2 to the 1/4th	300.000	equal-tempered minor third
25/21	301.847
31/26	304.508
105/88	305.777
55/46	309.357
6/5	315.641	5-limit minor third
77/64	320.144	77th harmonic
35/29	325.562
29/24	327.622
75/62	329.547
98/81	329.832
121/100	330.008
23/19	330.761
63/52	332.208
40/33	333.041
17/14	336.130
243/200	337.148
62/51	338.125
28/23	340.552
39/32	342.483	39th harmonic
128/105	342.905
8000/6561	343.301
11/9	347.408	undecimal "median" third
60/49	350.617
49/40	351.338
38/31	352.477
27/22	354.547
16/13	359.472
79/64	364.537	79th harmonic
100/81	364.807
121/98	364.984
21/17	365.825
99/80	368.914
26/21	369.747
57/46	371.194
31/25	372.408
36/29	374.333
56/45	378.602
96/77	381.811
8192/6561	384.360	Pythagorean "schismatic" third
5/4	386.314	5-limit major third
64/51	393.090
49/39	395.169
44/35	396.178
39/31	397.447
34/27	399.090
2 to the 1/3rd	400.000	equal-tempered major third
63/50	400.108
121/96	400.681
29/23	401.303
125/99	403.713
24/19	404.442
512/405	405.866
62/49	407.384
81/64	407.820	Pythagorean major third
19/15	409.244
33/26	412.745
80/63	413.578
14/11	417.508
51/40	420.597
125/98	421.289
23/18	424.364
32/25	427.373	diminished fourth
41/32	429.062	41st harmonic
50/39	430.145
77/60	431.875
9/7	435.084	septimal major third
58/45	439.353
49/38	440.139
40/31	441.278
31/24	443.081
1323/1024	443.517
128/99	444.772
22/17	446.363
57/44	448.150
162/125	448.879
35/27	449.275
83/64	450.047	83rd harmonic
100/77	452.484
13/10	454.214
125/96	456.986	augmented third (5/4 x 25/24)
30/23	459.994
64/49	462.348
98/75	463.069
17/13	464.428
72/55	466.278
55/42	466.851
38/29	467.936
21/16	470.781	septimal fourth
46/35	473.135
25/19	475.114
320/243	476.539
29/22	478.259
675/512	478.492
33/25	480.646
45/34	485.286
85/64	491.269	85th harmonic
4/3	498.045	perfect fourth
2 to the 5/12ths	500.000	equal-tempered perfect fourth
75/56	505.757
51/38	509.397
43/32	511.518	43rd harmonic
121/90	512.412
39/29	512.905
35/26	514.612
66/49	515.621
31/23	516.761
27/20	519.551
23/17	523.319
42/31	525.745
19/14	528.687
110/81	529.812
87/64	531.532	87th harmonic
34/25	532.328
49/36	533.742
15/11	536.951
512/375	539.104
26/19	543.015
63/46	544.462
48/35	546.815
1000/729	547.211
11/8	551.318	undecimal tritone (11th harmonic)
62/45	554.812
40/29	556.737
29/21	558.796
112/81	561.006
18/13	563.382
25/18	568.717	augmented fourth (4/3 x 25/24)
89/64	570.880	89th harmonic
32/23	571.726
39/28	573.657
46/33	575.001
88/63	578.582
7/5	582.512	septimal tritone
108/77	585.721
1024/729	588.270	low Pythagorean tritone
45/32	590.224	high 5-limit tritone
38/27	591.648
31/22	593.718
55/39	595.149
24/17	597.000
Square root of 2	600.000	equal-tempered tritone
99/70	600.088
17/12	603.000
44/31	606.282
125/88	607.623
27/19	608.352
91/64	609.354	91st harmonic
64/45	609.776	low 5-limit tritone
729/512	611.730	high Pythagorean tritone
57/40	613.154
77/54	614.279
10/7	617.488	septimal tritone
63/44	621.418
33/23	624.999
56/39	626.343
23/16	628.274	23rd harmonic
36/25	631.283	diminished fifth (3/2 x 24/25)
121/84	631.855
49/34	632.696
13/9	636.618
81/56	638.994
55/38	640.119
42/29	641.204
29/20	643.263
45/31	645.188
93/64	646.991	93rd harmonic
16/11	648.682
51/35	651.771
729/500	652.789
35/24	653.185
19/13	656.985
375/256	660.896
22/15	663.049
47/32	665.507	47th harmonic
72/49	666.258
25/17	667.672
81/55	670.188
28/19	671.313
31/21	674.255
189/128	674.691
34/23	676.681
40/27	680.449	dissonant "wolf" 5-limit fifth
46/31	683.239
95/64	683.827	95th harmonic
49/33	684.379
52/35	685.388
58/39	687.095
125/84	688.160
112/75	694.243
121/81	694.816
2 to the 7/12ths	700.000	equal-tempered perfect fifth
3/2	701.955	perfect fifth
121/80	716.322
50/33	719.354
97/64	719.895	97th harmonic
1024/675	721.508
44/29	721.741
243/160	723.461
38/25	724.886
35/23	726.865
32/21	729.219
29/19	732.064
84/55	733.149
55/36	733.722
26/17	735.572
75/49	736.931
49/32	737.652	49th harmonic
23/15	740.006
192/125	743.014	diminished sixth (8/5 x 24/25)
20/13	745.786
77/50	747.516
54/35	750.725
125/81	751.121
17/11	753.637
99/64	755.228	99th harmonic
48/31	756.919
31/20	758.722
45/29	760.674
14/9	764.916	septimal minor sixth
120/77	768.125
39/25	769.855
25/16	772.627	augmented fifth
36/23	775.636
11/7	782.492	undecimal minor sixth
63/40	786.422
52/33	787.255
101/64	789.854	101st harmonic
30/19	790.756
128/81	792.180	Pythagorean minor sixth
49/31	792.616
405/256	794.134
19/12	795.558
46/29	798.697
100/63	799.892
2 to the 2/3rds	800.000	equal-tempered minor sixth
27/17	800.910
62/39	802.553
35/22	803.822
51/32	806.910	51st harmonic
8/5	813.686	5-limit minor sixth
6561/4096	815.640	Pythagorean "schismatic" sixth
77/48	818.189
45/28	821.398
103/64	823.801	103rd harmonic
29/18	825.667
50/31	827.592
121/75	828.053
21/13	830.253
55/34	832.676
34/21	834.175
81/50	835.193
125/77	838.797
13/8	840.528	overtone sixth
57/35	844.328
44/27	845.453
31/19	847.523
80/49	848.662
49/30	849.383
18/11	852.592	undecimal "median" sixth
105/64	857.095	105th harmonic
64/39	857.517
23/14	859.448
51/31	861.875
400/243	862.852
28/17	863.870
33/20	866.959
38/23	869.239
81/49	870.168
48/29	872.378
53/32	873.505	53rd harmonic
58/35	874.438
63/38	875.223
128/77	879.856
107/64	889.760	107th harmonic
5/3	884.359	5-limit major sixth
57/34	894.513
52/31	895.492
42/25	898.153
121/72	898.726
2 to the 3/4ths	900.000	equal-tempered major sixth
32/19	902.487
27/16	905.865	Pythagorean major sixth
49/29	908.075
22/13	910.790
39/23	914.208
56/33	915.553
17/10	918.642
109/64	921.821	109th harmonic
46/27	922.409
75/44	923.264
29/17	924.622
128/75	925.418	diminished seventh (16/9 x 24/25)
77/45	929.920
12/7	933.129	septimal major sixth
55/32	937.632	55th harmonic
31/18	941.126
441/256	941.562
50/29	943.050
19/11	946.195
216/125	946.924
121/70	947.496
45/26	949.696
26/15	952.259
111/64	953.299	111th harmonic
125/72	955.031	augmented sixth (5/3 x 25/24)
33/19	955.760
40/23	958.039
54/31	960.829
96/55	964.323
110/63	964.896
7/4	968.826	septimal minor seventh
58/33	976.304
225/128	976.537
51/29	977.333
44/25	978.691
30/17	983.313
113/64	984.215	113th harmonic
99/56	986.402
23/13	987.747
62/35	989.896
39/22	991.165
55/31	992.596
16/9	996.090	Pythagorean small min. seventh
57/32	999.468	57th harmonic
2 to the 5/6ths	1000.000	equal-tempered minor seventh
98/55	1000.020
25/14	1003.802
34/19	1007.442
52/29	1010.950
88/49	1013.666
115/64	1014.588	115th harmonic
9/5	1017.596	5-limit large minor seventh
56/31	1023.790
38/21	1026.732
29/16	1029.577	29th harmonic
49/27	1031.787
20/11	1034.996
51/28	1038.085
729/400	1039.103
31/17	1040.080
42/23	1042.507
117/64	1044.438	117th harmonic
64/35	1044.860
4000/2187	1045.256
11/6	1049.363	undecimal "median" seventh
90/49	1052.572
57/31	1054.432
46/25	1055.647
81/44	1056.502
35/19	1057.627
59/32	1059.172	59th harmonic
24/13	1061.427
50/27	1066.762
63/34	1067.780
13/7	1071.702
119/64	1073.781	119th harmonic
54/29	1076.288
28/15	1080.557
58/31	1084.542
15/8	1088.269	5-limit major seventh
62/33	1091.763
32/17	1095.045
49/26	1097.124
66/35	1098.133
2 to the 11/12ths	1100.000	equal-tempered major seventh
17/9	1101.045
121/64	1102.636	121st harmonic
125/66	1105.668
36/19	1106.397
256/135	1107.821
55/29	1108.054
243/128	1109.775	Pythagorean major seventh
19/10	1111.199
40/21	1115.533
61/32	1116.885	61st harmonic
21/11	1119.463
44/23	1123.044
23/12	1126.319
48/25	1129.328
121/63	1129.900
123/64	1131.017	123rd harmonic
25/13	1132.100
77/40	1133.830
52/27	1134.663
27/14	1137.039	septimal major seventh
56/29	1139.249
29/15	1141.308
60/31	1143.233
31/16	1145.036	31st harmonic
64/33	1146.727
33/17	1148.318
243/125	1150.834
35/18	1151.230
39/20	1156.169
125/64	1158.941	augmented seventh (15/8 x 25/24)
88/45	1161.094
45/23	1161.949
96/49	1164.303
49/25	1165.024
51/26	1166.383
108/55	1168.233
55/28	1168.806
57/29	1169.891
63/32	1172.736	63rd harmonic
160/81	1178.494
99/50	1182.601
125/63	1186.205
127/64	1186.422	127th harmonic
2/1	1200.000	octave