Convert decibel (power)s to decades

0.1dec
≈ Approximate 1 dB ≈ 0.1 dec
As a fraction: 1/10

How to convert decibel (power)s to decades

Convert through a plain ratio: decibel (power) → ratio → decade. 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.

Decade: A factor of ten. Bode plots are drawn per decade.

Decibel (power) to Decade conversion table

Decibel (power)s (dB) Decades (dec)
0 dB 0
1 dB 0.1
2 dB 0.2
3 dB 0.3
6 dB 0.6
10 dB 1
20 dB 2
30 dB 3
40 dB 4
60 dB 6
80 dB 8
100 dB 10

Decade to Decibel (power) conversion table

Decades (dec) Decibel (power)s (dB)
0 dec 0
1 dec 10
2 dec 20
3 dec 30
6 dec 60
10 dec 100
20 dec 200
30 dec 300
40 dec 400
60 dec 600
80 dec 800
100 dec 1000

Frequently asked

How many decades are in a decibel (power)?

One decibel (power) equals 0.1 decades (dB → dec).

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

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

What is 1 dec in decibel (power)s?

One decade is 10 decibel (power)s.

What is 10 dB in dec?

10 dB = 1 dec.

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 decade?

A factor of ten. Bode plots are drawn per decade.

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