Convert octaves to nepers

0.693 147 180 56Np
≈ Rounded to 12 s.f. 1 oct ≈ 0.693 147 180 56 Np
As a fraction: 346573590279972654708616060729088284037750067/500000000000000000000000000000000000000000000

How to convert octaves to nepers

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

Octave: A factor of two — in frequency, or in light as a photographic stop.

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

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

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

Frequently asked

How many nepers are in a octave?

One octave equals 0.6931471806 nepers (oct → Np).

How do you convert octaves to nepers?

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

What is 1 Np in octaves?

One neper is 1.442695041 octaves.

What is 10 oct in Np?

10 oct = 6.931 471 8 Np.

What exactly is a octave?

A factor of two — in frequency, or in light as a photographic stop.

What exactly is a neper?

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

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