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Frequency / Note converter

Reference Tuning (A4)

Frequency → Note

Input Frequency

0 cents

Exact: 440.00 Hz

Select Note

Octave

440.00

Based on fundamental: 440.00 Hz (A4)

Harmonic	Ratio	Frequency	Note	Cents	Interval
1	1:1	440.00 Hz	A4	0	Fundamental
2	2:1	880.00 Hz	A5	0	Octave
3	3:1	1320.00 Hz	E6	+2	Perfect 5th + Octave
4	4:1	1760.00 Hz	A6	0	2 Octaves
5	5:1	2200.00 Hz	C#7	-14	Major 3rd + 2 Oct
6	6:1	2640.00 Hz	E7	+2	Perfect 5th + 2 Oct
7	7:1	3080.00 Hz	G7	-31	Minor 7th + 2 Oct
8	8:1	3520.00 Hz	A7	0	3 Octaves
9	9:1	3960.00 Hz	B7	+4	Major 2nd + 3 Oct
10	10:1	4400.00 Hz	C#8	-14	Major 3rd + 3 Oct
11	11:1	4840.00 Hz	D#8	-49	Tritone + 3 Oct
12	12:1	5280.00 Hz	E8	+2	Perfect 5th + 3 Oct
16	16:1	7040.00 Hz	A8	0	4 Octaves

Note: Harmonics above 20kHz are outside human hearing range