Convert decibel (power)s to semitones

3.986 313 713 86st
≈ Rounded to 12 s.f. 1 dB ≈ 3.986 313 713 86 st
As a fraction: 996578428466208704361095828846817052759449417/250000000000000000000000000000000000000000000

How to convert decibel (power)s to semitones

Convert through a plain ratio: decibel (power) → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.

Decibel (power): Ten times the base-10 log of a power ratio. 3 dB is roughly double the power.

Semitone: Twelve-tone equal temperament: each semitone is the twelfth root of two.

Decibel (power) to Semitone conversion table

Decibel (power)s (dB) Semitones (st)
0 dB 0
1 dB 3.986 313 7
2 dB 7.972 627 4
3 dB 11.958 941
6 dB 23.917 882
10 dB 39.863 137
20 dB 79.726 274
30 dB 119.589 41
40 dB 159.452 55
60 dB 239.178 82
80 dB 318.9051
100 dB 398.631 37

Semitone to Decibel (power) conversion table

Semitones (st) Decibel (power)s (dB)
0 st 0
1 st 0.250 858 33
2 st 0.501 716 66
3 st 0.752 574 99
6 st 1.505 15
10 st 2.508 583 3
20 st 5.017 166 6
30 st 7.525 749 9
40 st 10.034 333
60 st 15.0515
80 st 20.068 666
100 st 25.085 833

Frequently asked

How many semitones are in a decibel (power)?

One decibel (power) equals 3.986313714 semitones (dB → st).

How do you convert decibel (power)s to semitones?

Convert through a plain ratio: decibel (power) → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.

What is 1 st in decibel (power)s?

One semitone is 0.2508583297 decibel (power)s.

What is 10 dB in st?

10 dB = 39.863 137 st.

What exactly is a decibel (power)?

Ten times the base-10 log of a power ratio. 3 dB is roughly double the power.

What exactly is a semitone?

Twelve-tone equal temperament: each semitone is the twelfth root of two.

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