This tool converts from Percentage (%) to deciBel (dB)
Formula
AdB = 10*Log10(A%/100)
Example Calculation
1% represents a linear value of 0.01 and equates to -20 dB.
0% results in logarithm of zero. The dB equivalent is a very small number represented as -Inf.
Percent to dB Chart
| Percent | dB |
|---|---|
| 0 | -∞ |
| 1 | -20.00 |
| 2 | -16.99 |
| 3 | -15.23 |
| 4 | -13.98 |
| 5 | -13.01 |
| 6 | -12.22 |
| 7 | -11.55 |
| 8 | -10.97 |
| 9 | -10.46 |
| 10 | -10.00 |
| 11 | -9.59 |
| 12 | -9.21 |
| 13 | -8.86 |
| 14 | -8.54 |
| 15 | -8.24 |
| 16 | -7.96 |
| 17 | -7.70 |
| 18 | -7.45 |
| 19 | -7.21 |
| 20 | -6.99 |
| 21 | -6.78 |
| 22 | -6.58 |
| 23 | -6.38 |
| 24 | -6.20 |
| 25 | -6.02 |
| 26 | -5.85 |
| 27 | -5.69 |
| 28 | -5.53 |
| 29 | -5.38 |
| 30 | -5.23 |
| 31 | -5.09 |
| 32 | -4.95 |
| 33 | -4.81 |
| 34 | -4.69 |
| 35 | -4.56 |
| 36 | -4.44 |
| 37 | -4.32 |
| 38 | -4.20 |
| 39 | -4.09 |
| 40 | -3.98 |
| 41 | -3.87 |
| 42 | -3.77 |
| 43 | -3.67 |
| 44 | -3.57 |
| 45 | -3.47 |
| 46 | -3.37 |
| 47 | -3.28 |
| 48 | -3.19 |
| 49 | -3.10 |
| 50 | -3.01 |
| 51 | -2.92 |
| 52 | -2.84 |
| 53 | -2.76 |
| 54 | -2.68 |
| 55 | -2.60 |
| 56 | -2.52 |
| 57 | -2.44 |
| 58 | -2.37 |
| 59 | -2.29 |
| 60 | -2.22 |
| 61 | -2.15 |
| 62 | -2.08 |
| 63 | -2.01 |
| 64 | -1.94 |
| 65 | -1.87 |
| 66 | -1.80 |
| 67 | -1.74 |
| 68 | -1.67 |
| 69 | -1.61 |
| 70 | -1.55 |
| 71 | -1.49 |
| 72 | -1.43 |
| 73 | -1.37 |
| 74 | -1.31 |
| 75 | -1.25 |
| 76 | -1.19 |
| 77 | -1.14 |
| 78 | -1.08 |
| 79 | -1.02 |
| 80 | -0.97 |
| 81 | -0.92 |
| 82 | -0.86 |
| 83 | -0.81 |
| 84 | -0.76 |
| 85 | -0.71 |
| 86 | -0.66 |
| 87 | -0.60 |
| 88 | -0.56 |
| 89 | -0.51 |
| 90 | -0.46 |
| 91 | -0.41 |
| 92 | -0.36 |
| 93 | -0.32 |
| 94 | -0.27 |
| 95 | -0.22 |
| 96 | -0.18 |
| 97 | -0.13 |
| 98 | -0.09 |
| 99 | -0.04 |
| 100 | 0.00 |