Convert nepers to octaves
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Ranges, ± tolerances, feet/inches and clock durations work in the value field.
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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 octaves
Convert through a plain ratio: neper → ratio → octave. Logarithmic units cannot be converted by multiplying alone.
Neper: The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).
Octave: A factor of two — in frequency, or in light as a photographic stop.
Neper to Octave conversion table
| Nepers (Np) | Octaves (oct) |
|---|---|
| 0 Np | 0 |
| 1 Np | 1.442 695 |
| 2 Np | 2.885 390 1 |
| 3 Np | 4.328 085 1 |
| 6 Np | 8.656 170 2 |
| 10 Np | 14.426 95 |
| 20 Np | 28.853 901 |
| 30 Np | 43.280 851 |
| 40 Np | 57.707 802 |
| 60 Np | 86.561 702 |
| 80 Np | 115.4156 |
| 100 Np | 144.2695 |
Octave to Neper conversion table
| Octaves (oct) | Nepers (Np) |
|---|---|
| 0 oct | 0 |
| 1 oct | 0.693 147 18 |
| 2 oct | 1.386 294 4 |
| 3 oct | 2.079 441 5 |
| 6 oct | 4.158 883 1 |
| 10 oct | 6.931 471 8 |
| 20 oct | 13.862 944 |
| 30 oct | 20.794 415 |
| 40 oct | 27.725 887 |
| 60 oct | 41.588 831 |
| 80 oct | 55.451 774 |
| 100 oct | 69.314 718 |
Frequently asked
How many octaves are in a neper?
One neper equals 1.442695041 octaves (Np → oct).
How do you convert nepers to octaves?
Convert through a plain ratio: neper → ratio → octave. Logarithmic units cannot be converted by multiplying alone.
What is 1 oct in nepers?
One octave is 0.6931471806 nepers.
What is 10 Np in oct?
10 Np = 14.426 95 oct.
What exactly is a neper?
The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).
What exactly is a octave?
A factor of two — in frequency, or in light as a photographic stop.