Convert semitones to nepers

0.057 762 265 046 7Np
≈ Rounded to 12 s.f. 1 st ≈ 0.057 762 265 046 7 Np
As a fraction: 7220283130832763639762834598522672584119793/125000000000000000000000000000000000000000000

How to convert semitones to nepers

Convert through a plain ratio: semitone → ratio → neper. Logarithmic units cannot be converted by multiplying alone.

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

Neper: The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).

Semitone to Neper conversion table

Semitones (st) Nepers (Np)
0 st 0
1 st 0.057 762 265
2 st 0.115 524 53
3 st 0.173 286 8
6 st 0.346 573 59
10 st 0.577 622 65
20 st 1.155 245 3
30 st 1.732 868
40 st 2.310 490 6
60 st 3.465 735 9
80 st 4.620 981 2
100 st 5.776 226 5

Neper to Semitone conversion table

Nepers (Np) Semitones (st)
0 Np 0
1 Np 17.312 34
2 Np 34.624 681
3 Np 51.937 021
6 Np 103.874 04
10 Np 173.1234
20 Np 346.246 81
30 Np 519.370 21
40 Np 692.493 62
60 Np 1038.7404
80 Np 1384.9872
100 Np 1731.234

Frequently asked

How many nepers are in a semitone?

One semitone equals 0.05776226505 nepers (st → Np).

How do you convert semitones to nepers?

Convert through a plain ratio: semitone → ratio → neper. Logarithmic units cannot be converted by multiplying alone.

What is 1 Np in semitones?

One neper is 17.31234049 semitones.

What is 10 st in Np?

10 st = 0.577 622 65 Np.

What exactly is a semitone?

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

What exactly is a neper?

The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).

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