Convert decades to semitones
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Show this value in all 10 ratio & decibels units
- Ratios × 10
- Decibel (power)s dB 10
- Decibel (amplitude)s dB 20
- Bels B 1
- Nepers Np 2.302 585 092 99
- Decades dec 1
- Octaves oct 3.321 928 094 89
- Semitones st 39.863 137 138 6
- Cents ¢ 3986.313 713 86
- Stop (photographic)s EV 3.321 928 094 89
Every row is Decade (dec) converted through the ratio, in exact rational arithmetic.
How to convert decades to semitones
Convert through a plain ratio: decade → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.
Decade: A factor of ten. Bode plots are drawn per decade.
Semitone: Twelve-tone equal temperament: each semitone is the twelfth root of two.
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 |
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 |
Frequently asked
How many semitones are in a decade?
One decade equals 39.86313714 semitones (dec → st).
How do you convert decades to semitones?
Convert through a plain ratio: decade → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.
What is 1 st in decades?
One semitone is 0.02508583297 decades.
What is 10 dec in st?
10 dec = 398.631 37 st.
What exactly is a decade?
A factor of ten. Bode plots are drawn per decade.
What exactly is a semitone?
Twelve-tone equal temperament: each semitone is the twelfth root of two.