Convert ratios to octaves
0oct
How to convert ratios to octaves
Convert through a plain ratio: ratio → ratio → octave. Logarithmic units cannot be converted by multiplying alone.
Ratio: The plain multiplier every logarithmic unit here converts through. Read a decibel figure as an encoding of this number.
Octave: A factor of two — in frequency, or in light as a photographic stop.
Ratio to Octave conversion table
| Ratios (×) | Octaves (oct) |
|---|---|
| 1 × | 0 |
| 2 × | 1 |
| 3 × | 1.584 962 5 |
| 5 × | 2.321 928 1 |
| 10 × | 3.321 928 1 |
| 20 × | 4.321 928 1 |
| 25 × | 4.643 856 2 |
| 50 × | 5.643 856 2 |
| 100 × | 6.643 856 2 |
| 250 × | 7.965 784 3 |
| 500 × | 8.965 784 3 |
| 1000 × | 9.965 784 3 |
Octave to Ratio conversion table
| Octaves (oct) | Ratios (×) |
|---|---|
| 0 oct | 1 |
| 1 oct | 2 |
| 2 oct | 4 |
| 3 oct | 8 |
| 6 oct | 64 |
| 10 oct | 1024 |
| 20 oct | 1 048 576 |
| 30 oct | 1 073 741 800 |
| 40 oct | 1 099 511 600 000 |
| 60 oct | 1.1529215e+18 |
| 80 oct | 1.2089258e+24 |
| 100 oct | 1.2676506e+30 |
Frequently asked
How many octaves are in a ratio?
One ratio equals 0 octaves (× → oct).
How do you convert ratios to octaves?
Convert through a plain ratio: ratio → ratio → octave. Logarithmic units cannot be converted by multiplying alone.
What is 1 oct in ratios?
One octave is 2 ratios.
What is 10 × in oct?
10 × = 3.321 928 1 oct.
What exactly is a ratio?
The plain multiplier every logarithmic unit here converts through. Read a decibel figure as an encoding of this number.
What exactly is a octave?
A factor of two — in frequency, or in light as a photographic stop.