How it works
Fill in the 2 fields above and Cents Interval Calculator calculates the result instantly, recalculating as you change any value. It applies the formula 1200 × log₂(f₂/f₁). The math runs locally in your browser — nothing is sent to a server.
Formula
1200 × log₂(f₂/f₁)Examples
- Frequency 1 440 Hz, Frequency 2 466.16 Hz → Interval: 100 cents
Frequently asked questions
How do I use the Cents Interval Calculator?
Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Cents Interval Calculator use?
It uses 1200 × log₂(f₂/f₁). The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Cents Interval Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Cents Interval Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on music and the rest of the platform, you can use it as often as you like.
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