Convert semitones to decades
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Show this value in all 10 ratio & decibels units
- Ratios × 1.059 463 094 36
- Decibel (power)s dB 0.250 858 329 72
- Decibel (amplitude)s dB 0.501 716 659 44
- Bels B 0.025 085 832 972
- Nepers Np 0.057 762 265 046 7
- Decades dec 0.025 085 832 972
- Octaves oct 0.083 333 333 333 3
- Semitones st 1
- Cents ¢ 100
- Stop (photographic)s EV 0.083 333 333 333 3
Every row is Semitone (st) converted through the ratio, in exact rational arithmetic.
How to convert semitones to decades
Convert through a plain ratio: semitone → ratio → decade. Logarithmic units cannot be converted by multiplying alone.
Semitone: Twelve-tone equal temperament: each semitone is the twelfth root of two.
Decade: A factor of ten. Bode plots are drawn per decade.
Semitone to Decade conversion table
| Semitones (st) | Decades (dec) |
|---|---|
| 0 st | 0 |
| 1 st | 0.025 085 833 |
| 2 st | 0.050 171 666 |
| 3 st | 0.075 257 499 |
| 6 st | 0.150 515 |
| 10 st | 0.250 858 33 |
| 20 st | 0.501 716 66 |
| 30 st | 0.752 574 99 |
| 40 st | 1.003 433 3 |
| 60 st | 1.505 15 |
| 80 st | 2.006 866 6 |
| 100 st | 2.508 583 3 |
Decade to Semitone conversion table
| Decades (dec) | Semitones (st) |
|---|---|
| 0 dec | 0 |
| 1 dec | 39.863 137 |
| 2 dec | 79.726 274 |
| 3 dec | 119.589 41 |
| 6 dec | 239.178 82 |
| 10 dec | 398.631 37 |
| 20 dec | 797.262 74 |
| 30 dec | 1195.8941 |
| 40 dec | 1594.5255 |
| 60 dec | 2391.7882 |
| 80 dec | 3189.051 |
| 100 dec | 3986.3137 |
Frequently asked
How many decades are in a semitone?
One semitone equals 0.02508583297 decades (st → dec).
How do you convert semitones to decades?
Convert through a plain ratio: semitone → ratio → decade. Logarithmic units cannot be converted by multiplying alone.
What is 1 dec in semitones?
One decade is 39.86313714 semitones.
What is 10 st in dec?
10 st = 0.250 858 33 dec.
What exactly is a semitone?
Twelve-tone equal temperament: each semitone is the twelfth root of two.
What exactly is a decade?
A factor of ten. Bode plots are drawn per decade.