Cents Between 440 Hz and 660 Hz (Perfect Fifth)
The interval from 440 Hz to 660 Hz is approximately 702 cents, a pure perfect fifth.
How to use this tool
- Enter frequency 1 and frequency 2 in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your interval and the full breakdown beneath it.
660 Hz is the pure 3:2 harmonic of 440 Hz — a perfect fifth — measuring about 702 cents.
Frequently asked questions
- How many cents is one semitone?
- Exactly 100 cents. An octave spans 1200 cents (12 × 100).
- How do I use this for tuning?
- Enter the reference pitch and the measured pitch. If cents offset is within ±5 ¢ the instrument is in tune.