Note Frequency Calculator

Our Musical Note Frequency Calculator is a tool that helps determine the precise frequency of a given musical note.

It is an essential resource for musicians, sound engineers, and anyone working with audio or music production.

This tool takes into account the fundamental principles of sound waves and musical theory to provide accurate results.

By providing accurate and reliable frequency calculations, the Musical Note Frequency Calculator ensures that musicians, audio professionals, and others working with sound waves can achieve precise and high-quality results in their respective fields.

What is the frequency of the C5 note?

To find the frequency of the C5 note, we use the formula:

f = f0 × 2^(n/12)

Where:

f0 = 440 Hz (reference frequency for A4)
n = number of semitones away from A4

C5 is 9 semitones above A4, so n = 9.

Substituting the values:

f = 440 × 2^(9/12) = 523.25 Hz

The frequency of the C5 note is 523.25 Hz.

What is the note with a frequency of 311 Hz?

To find the note corresponding to a given frequency, we rearrange the formula:

n = 12 × log2(f/f0)

Substituting the values:

f = 311 Hz
f0 = 440 Hz (reference frequency for A4)

n = 12 × log2(311/440) = -5.87

Since n = -5.87 is approximately -6 semitones away from A4, the note with a frequency of 311 Hz is Eb4 (E-flat 4).

What is the frequency of the G#2 note?

G#2 is 8 semitones above A2, and A2 is an octave below A4 (440 Hz).

First, we find the frequency of A2:

f_A2 = 440 × 2^(-1) = 220 Hz

Then, we find the frequency of G#2 using the formula:

f_G#2 = 220 × 2^(8/12) = 207.65 Hz

The frequency of the G#2 note is 207.65 Hz.

Note Frequency Calculation Formula

The frequency of a musical note is calculated based on a formula that considers the note’s position on the musical scale and the reference frequency (typically A4 = 440 Hz).

The formula is as follows:

f = f0 × 2^(n/12)

In this formula:

f is the frequency of the desired note
f0 is the reference frequency (usually A4 = 440 Hz)
n is the number of semitones away from the reference note

For example, to calculate the frequency of the C4 note (four semitones below A4), the formula would be:

f = 440 × 2^((-4)/12) = 261.63 Hz

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What is Musical Note Frequency?

Musical Note Frequency refers to the number of vibrations per second produced by a sound wave, which is perceived as a specific pitch or note.

Each note on the musical scale corresponds to a specific frequency, and these frequencies are determined by the principles of physics and the properties of sound waves.

The human ear is capable of perceiving frequencies ranging from approximately 20 Hz to 20,000 Hz, with the most sensitive range being between 2,000 Hz and 4,000 Hz.

Musical notes typically fall within the audible range, with the lowest note on a standard piano (A0) having a frequency of 27.5 Hz and the highest note (C8) having a frequency of 4,186 Hz.

Why Use Musical Note Frequency Calculator?

There are several reasons why musicians, sound engineers, and audio professionals may need to use a Musical Note Frequency Calculator:

Tuning Instruments: Ensuring that instruments are properly tuned is crucial for producing accurate and harmonious sounds. The calculator helps determine the exact frequency for each note, allowing musicians to tune their instruments precisely.
Audio Synthesis and Sampling: In the field of audio synthesis and sampling, knowing the precise frequencies of musical notes is essential for creating accurate and realistic sounds.
Acoustics and Room Design: Architects and acoustic engineers use musical note frequency calculations to optimize the acoustics of concert halls, recording studios, and other sound-sensitive environments.
Music Theory and Composition: Composers and music theorists may use the calculator to explore the relationships between different notes, intervals, and musical scales, aiding in the creative process.
Audio Editing and Processing: Sound engineers and audio editors often need to apply specific filters or effects to certain frequencies, making the Note Frequency Calculator a valuable tool for identifying and isolating desired frequencies.

What note is 147 Hz?

To find the note corresponding to 147 Hz, we need to rearrange the formula:

n = 12 × log2(f/f0)

Substituting the values:

f = 147 Hz
f0 = 440 Hz (reference frequency for A4)

n = 12 × log2(147/440) = -16.63

Since n = -16.63 is approximately -17 semitones away from A4, the note with a frequency of 147 Hz is D3.

What note is 392 Hz?

Using the same approach:

n = 12 × log2(392/440) = -1.49

Since n = -1.49 is approximately -2 semitones away from A4, the note with a frequency of 392 Hz is G4.

What is 432 Hz as A note?

To find the note corresponding to 432 Hz, we can use the formula directly:

n = 12 × log2(432/440) = 0.32

Since n = 0.32 is slightly higher than 0 semitones away from A4, the note with a frequency of 432 Hz is considered A4+ or a slightly sharp A4.

In summary:

The note with a frequency of 147 Hz is D3.
The note with a frequency of 392 Hz is G4.
A frequency of 432 Hz corresponds to A4+ or a slightly sharp A4.

Note Frequency Calculator – Calculate the Musical Note Frequency