Music Interval Calculator

Created by Rita Rain
Reviewed by Bogna Szyk and Jack Bowater
Last updated: May 18, 2022
This calc gives the musical interval between two notes described by their frequencies. This is done by a simple exponential relationship, assuming that there are 12 semitones for each doubling of frequency.
Rita Rain
Interval type
between notes
Note 1
Note 2
Interval: perfect prime (unison)
People also viewed…

BMI (body mass index)

The BMI is used by doctors and nutritionalists to determine if a person is over- or under-weight, and to what extent. It is calculated as the person's mas (in kg) divided by the square of their height (in m). This calc conveniently allows you to enter height and weight in units of your choice.

Data transfer

The data transfer calculator finds how long it would take to download or copy all your files between two devices.
main background