Reviewed By: Patrick Myers (BSME)
Enter the total decibels (dB) into the calculator to determine the percentage. This calculator can also evaluate the dB given the percentage.
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DB to Percentage Formula
The following formula is used to convert a dB to a percentage.
p = 10^x * 100
- Where p is the percentage (%)
- X is the dB divided by 10 (dB/10)
To calculate percentage from dB, raise 10 to the power of the dB over 10, then multiply by 100.
| Decibels (dB) | Percentage (%) |
|---|---|
| -40 | 0.010 |
| -30 | 0.100 |
| -24 | 0.398 |
| -20 | 1.000 |
| -15 | 3.162 |
| -12 | 6.310 |
| -10 | 10.000 |
| -9 | 12.589 |
| -6 | 25.119 |
| -3 | 50.119 |
| -1 | 79.433 |
| -0.5 | 89.125 |
| 0 | 100.000 |
| 0.5 | 112.202 |
| 1 | 125.893 |
| 2 | 158.489 |
| 3 | 199.526 |
| 6 | 398.107 |
| 10 | 1000.000 |
| 20 | 10000.000 |
| * Rounded to 3 decimals. Using power relation: percentage = 100 × 10^(dB/10). Reference: 0 dB = 100% power. | |
DB to Percentage Definition
Converting DB to percentage involves raising 10 to the power of dB over 10.
DB to Percentage Example
How to convert DB to percentage?
- First, determine the total decibels.
Calculate the total dB.
- Next, determine the percentage.
Use the equation above to calculate the percentage.
FAQ
How do you convert decibels to percentages?
This can be done using the formula p = 10 ^ db/10.
