Convert nepers to semitones
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Show this value in all 10 ratio & decibels units
- Ratios × 2.718 281 828 46
- Decibel (power)s dB 4.342 944 819 03
- Decibel (amplitude)s dB 8.685 889 638 07
- Bels B 0.434 294 481 903
- Nepers Np 1
- Decades dec 0.434 294 481 903
- Octaves oct 1.442 695 040 89
- Semitones st 17.312 340 490 7
- Cents ¢ 1731.234 049 07
- Stop (photographic)s EV 1.442 695 040 89
Every row is Neper (Np) converted through the ratio, in exact rational arithmetic.
How to convert nepers to semitones
Convert through a plain ratio: neper → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.
Neper: The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).
Semitone: Twelve-tone equal temperament: each semitone is the twelfth root of two.
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 |
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 |
Frequently asked
How many semitones are in a neper?
One neper equals 17.31234049 semitones (Np → st).
How do you convert nepers to semitones?
Convert through a plain ratio: neper → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.
What is 1 st in nepers?
One semitone is 0.05776226505 nepers.
What is 10 Np in st?
10 Np = 173.1234 st.
What exactly is a neper?
The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).
What exactly is a semitone?
Twelve-tone equal temperament: each semitone is the twelfth root of two.