Convert octaves to decades
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Show this value in all 10 ratio & decibels units
- Ratios × 2
- Decibel (power)s dB 3.010 299 956 64
- Decibel (amplitude)s dB 6.020 599 913 28
- Bels B 0.301 029 995 664
- Nepers Np 0.693 147 180 56
- Decades dec 0.301 029 995 664
- Octaves oct 1
- Semitones st 12
- Cents ¢ 1200
- Stop (photographic)s EV 1
Every row is Octave (oct) converted through the ratio, in exact rational arithmetic.
How to convert octaves to decades
Convert through a plain ratio: octave → ratio → decade. Logarithmic units cannot be converted by multiplying alone.
Octave: A factor of two — in frequency, or in light as a photographic stop.
Decade: A factor of ten. Bode plots are drawn per decade.
Octave to Decade conversion table
| Octaves (oct) | Decades (dec) |
|---|---|
| 0 oct | 0 |
| 1 oct | 0.301 03 |
| 2 oct | 0.602 059 99 |
| 3 oct | 0.903 089 99 |
| 6 oct | 1.806 18 |
| 10 oct | 3.0103 |
| 20 oct | 6.020 599 9 |
| 30 oct | 9.030 899 9 |
| 40 oct | 12.0412 |
| 60 oct | 18.0618 |
| 80 oct | 24.0824 |
| 100 oct | 30.103 |
Decade to Octave conversion table
| Decades (dec) | Octaves (oct) |
|---|---|
| 0 dec | 0 |
| 1 dec | 3.321 928 1 |
| 2 dec | 6.643 856 2 |
| 3 dec | 9.965 784 3 |
| 6 dec | 19.931 569 |
| 10 dec | 33.219 281 |
| 20 dec | 66.438 562 |
| 30 dec | 99.657 843 |
| 40 dec | 132.877 12 |
| 60 dec | 199.315 69 |
| 80 dec | 265.754 25 |
| 100 dec | 332.192 81 |
Frequently asked
How many decades are in a octave?
One octave equals 0.3010299957 decades (oct → dec).
How do you convert octaves to decades?
Convert through a plain ratio: octave → ratio → decade. Logarithmic units cannot be converted by multiplying alone.
What is 1 dec in octaves?
One decade is 3.321928095 octaves.
What is 10 oct in dec?
10 oct = 3.0103 dec.
What exactly is a octave?
A factor of two — in frequency, or in light as a photographic stop.
What exactly is a decade?
A factor of ten. Bode plots are drawn per decade.