MIDI Note to Frequency Conversion Table¶

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
Cb0	11	15.434	10.804	15.261
C0	12	16.352	11.941	16.296
Db0	13	17.324	12.844	17.168
C#0	13	17.324	13.078	17.402
D0	14	18.354	13.980	18.333
Eb0	15	19.445	14.883	19.314
D#0	15	19.445	15.117	19.578
Fb0	16	20.602	15.785	20.347
E0	16	20.602	16.020	20.625
F0	17	21.827	16.922	21.728
E#0	17	21.827	17.156	22.025
Gb0	18	23.125	17.824	22.891
F#0	18	23.125	18.059	23.203
G0	19	24.5	18.961	24.444
Ab0	20	25.957	19.863	25.752
G#0	20	25.957	20.098	26.104

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A0	21	27.5	21.000	27.5
Bb0	22	29.135	21.902	28.971
A#0	22	29.135	22.137	29.366
Cb1	23	30.868	22.804	30.521
B0	23	30.868	23.039	30.938
C1	24	32.703	23.941	32.593
B#0	24	32.703	24.176	33.037
Db1	25	34.648	24.844	34.336
C#1	25	34.648	25.078	34.805
D1	26	36.708	25.980	36.667
Eb1	27	38.891	26.883	38.628
D#1	27	38.891	27.117	39.155
Fb1	28	41.203	27.785	40.695
E1	28	41.203	28.020	41.25
F1	29	43.654	28.922	43.457
E#1	29	43.654	29.156	44.05
Gb1	30	46.249	29.824	45.782
F#1	30	46.249	30.059	46.406
G1	31	48.999	30.961	48.889
Ab1	32	51.913	31.863	51.504
G#1	32	51.913	32.098	52.207

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A1	33	55	33.000	55
Bb1	34	58.27	33.902	57.942
A#1	34	58.27	34.137	58.733
Cb2	35	61.735	34.804	61.042
B1	35	61.735	35.039	61.875
C2	36	65.406	35.941	65.185
B#1	36	65.406	36.176	66.075
Db2	37	69.296	36.844	68.672
C#2	37	69.296	37.078	69.609
D2	38	73.416	37.980	73.333
Eb2	39	77.782	38.883	77.257
D#2	39	77.782	39.117	78.311
Fb2	40	82.407	39.785	81.39
E2	40	82.407	40.020	82.5
F2	41	87.307	40.922	86.914
E#2	41	87.307	41.156	88.099
Gb2	42	92.499	41.824	91.563
F#2	42	92.499	42.059	92.812
G2	43	97.999	42.961	97.778
Ab2	44	103.83	43.863	103.01
G#2	44	103.83	44.098	104.41

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A2	45	110	45.000	110
Bb2	46	116.54	45.902	115.88
A#2	46	116.54	46.137	117.47
Cb3	47	123.47	46.804	122.08
B2	47	123.47	47.039	123.75
C3	48	130.81	47.941	130.37
B#2	48	130.81	48.176	132.15
Db3	49	138.59	48.844	137.34
C#3	49	138.59	49.078	139.22
D3	50	146.83	49.980	146.67
Eb3	51	155.56	50.883	154.51
D#3	51	155.56	51.117	156.62
Fb3	52	164.81	51.785	162.78
E3	52	164.81	52.020	165
F3	53	174.61	52.922	173.83
E#3	53	174.61	53.156	176.2
Gb3	54	185	53.824	183.13
F#3	54	185	54.059	185.62
G3	55	196	54.961	195.56
Ab3	56	207.65	55.863	206.02
G#3	56	207.65	56.098	208.83

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A3	57	220	57.000	220
Bb3	58	233.08	57.902	231.77
A#3	58	233.08	58.137	234.93
Cb4	59	246.94	58.804	244.17
B3	59	246.94	59.039	247.5
C4	60	261.63	59.941	260.74
B#3	60	261.63	60.176	264.3
Db4	61	277.18	60.844	274.69
C#4	61	277.18	61.078	278.44
D4	62	293.66	61.980	293.33
Eb4	63	311.13	62.883	309.03
D#4	63	311.13	63.117	313.24
Fb4	64	329.63	63.785	325.56
E4	64	329.63	64.020	330
F4	65	349.23	64.922	347.65
E#4	65	349.23	65.156	352.4
Gb4	66	369.99	65.824	366.25
F#4	66	369.99	66.059	371.25
G4	67	392	66.961	391.11
Ab4	68	415.3	67.863	412.03
G#4	68	415.3	68.098	417.66

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A4	69	440	69.000	440
Bb4	70	466.16	69.902	463.54
A#4	70	466.16	70.137	469.86
Cb5	71	493.88	70.804	488.34
B4	71	493.88	71.039	495
C5	72	523.25	71.941	521.48
B#4	72	523.25	72.176	528.6
Db5	73	554.37	72.844	549.38
C#5	73	554.37	73.078	556.88
D5	74	587.33	73.980	586.67
Eb5	75	622.25	74.883	618.05
D#5	75	622.25	75.117	626.48
Fb5	76	659.26	75.785	651.12
E5	76	659.26	76.020	660
F5	77	698.46	76.922	695.31
E#5	77	698.46	77.156	704.79
Gb5	78	739.99	77.824	732.51
F#5	78	739.99	78.059	742.5
G5	79	783.99	78.961	782.22
Ab5	80	830.61	79.863	824.07
G#5	80	830.61	80.098	835.31

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A5	81	880	81.000	880
Bb5	82	932.33	81.902	927.08
A#5	82	932.33	82.137	939.73
Cb6	83	987.77	82.804	976.67
B5	83	987.77	83.039	990
C6	84	1046.5	83.941	1043
B#5	84	1046.5	84.176	1057.2
Db6	85	1108.7	84.844	1098.8
C#6	85	1108.7	85.078	1113.8
D6	86	1174.7	85.980	1173.3
Eb6	87	1244.5	86.883	1236.1
D#6	87	1244.5	87.117	1253
Fb6	88	1318.5	87.785	1302.2
E6	88	1318.5	88.020	1320
F6	89	1396.9	88.922	1390.6
E#6	89	1396.9	89.156	1409.6
Gb6	90	1480	89.824	1465
F#6	90	1480	90.059	1485
G6	91	1568	90.961	1564.4
Ab6	92	1661.2	91.863	1648.1
G#6	92	1661.2	92.098	1670.6

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A6	93	1760	93.000	1760
Bb6	94	1864.7	93.902	1854.2
A#6	94	1864.7	94.137	1879.5
Cb7	95	1975.5	94.804	1953.3
B6	95	1975.5	95.039	1980
C7	96	2093	95.941	2085.9
B#6	96	2093	96.176	2114.4
Db7	97	2217.5	96.844	2197.5
C#7	97	2217.5	97.078	2227.5
D7	98	2349.3	97.980	2346.7
Eb7	99	2489	98.883	2472.2
D#7	99	2489	99.117	2505.9
Fb7	100	2637	99.785	2604.5
E7	100	2637	100.020	2640
F7	101	2793.8	100.922	2781.2
E#7	101	2793.8	101.156	2819.2
Gb7	102	2960	101.824	2930
F#7	102	2960	102.059	2970
G7	103	3136	102.961	3128.9
Ab7	104	3322.4	103.863	3296.3
G#7	104	3322.4	104.098	3341.2

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A7	105	3520	105.000	3520
Bb7	106	3729.3	105.902	3708.3
A#7	106	3729.3	106.137	3758.9
Cb8	107	3951.1	106.804	3906.7
B7	107	3951.1	107.039	3960
C8	108	4186	107.941	4171.9
B#7	108	4186	108.176	4228.8
Db8	109	4434.9	108.844	4395
C#8	109	4434.9	109.078	4455
D8	110	4698.6	109.980	4693.3
Eb8	111	4978	110.883	4944.4
D#8	111	4978	111.117	5011.9
Fb8	112	5274	111.785	5208.9
E8	112	5274	112.020	5280
F8	113	5587.7	112.922	5562.5
E#8	113	5587.7	113.156	5638.4
Gb8	114	5919.9	113.824	5860
F#8	114	5919.9	114.059	5940
G8	115	6271.9	114.961	6257.8
Ab8	116	6644.9	115.863	6592.6
G#8	116	6644.9	116.098	6682.5

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A8	117	7040	117.000	7040
Bb8	118	7458.6	117.902	7416.6
A#8	118	7458.6	118.137	7517.8
Cb9	119	7902.1	118.804	7813.4
B8	119	7902.1	119.039	7920
C9	120	8372	119.941	8343.7
B#8	120	8372	120.176	8457.5
Db9	121	8869.8	120.844	8790.1
C#9	121	8869.8	121.078	8910
D9	122	9397.3	121.980	9386.7
Eb9	123	9956.1	122.883	9888.8
D#9	123	9956.1	123.117	10024
Fb9	124	10548	123.785	10418
E9	124	10548	124.020	10560
F9	125	11175	124.922	11125
E#9	125	11175	125.156	11277
Gb9	126	11840	125.824	11720
F#9	126	11840	126.059	11880
G9	127	12544	126.961	12516
Ab9	128	13290	127.863	13185
G#9	128	13290	128.098	13365

note	midi-ET	Hertz-ET	midi-PT	Hertz-PT
A9	129	14080	129.000	14080
Bb9	130	14917	129.902	14833
A#9	130	14917	130.137	15036
B9	131	15804	131.039	15840
B#9	132	16744	132.176	16915