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Semitone To Frequency Ratio Calculator
Convert semitones to a frequency ratio.
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Convert semitones to a frequency ratio.
Semitone To Frequency Ratio Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: 2 to the n over 12.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Semitone Quick Guide
Typical values for reference.
| Semitones | Ratio | Cents | Interval |
|---|---|---|---|
| 1 | 1.0595 | 100 | Minor 2nd |
| 4 | 1.2599 | 400 | Major 3rd |
| 7 | 1.4983 | 700 | Perfect 5th |
| 12 | 2.0000 | 1200 | Octave |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Semitone To Frequency Calculator FAQ
Answers to common questions about this calculator.
Equal temperament.
It gives a quick estimate of semitone to frequency ratio from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.