Negative dBm to Watts Conversion
dBm to Watts Formula
dBm to Watt Conversion Table
dBm |
Watts |
| 0 | 1.0 mW |
| – 1 | 794.33 μW |
| – 2 | 630.96 μW |
| – 3 | 501.19 μW |
| – 4 | 398.11 μW |
| – 5 | 316.23 μW |
| – 6 | 251.19 μW |
| – 7 | 199.53 μW |
| – 8 | 158.49 μW |
| – 9 | 125.89 μW |
| – 10 | 100.0 μW |
| – 11 | 79.43 μW |
| – 12 | 63.10 μW |
| -13 | 50.12 μW |
| – 14 | 39.81 μW |
| – 15 | 31.62 μW |
| – 16 | 25.12 μW |
| – 17 | 19.95 μW |
| – 18 | 15.85 μW |
| – 19 | 12.59 μW |
| – 20 | 10.0 μW |
| – 21 | 7.94 μW |
| – 22 | 6.31 μW |
| – 23 | 5.01 μW |
| – 24 | 3.98 μW |
| – 25 | 3.16 μW |
| – 26 | 2.51 μW |
| – 27 | 1.99 μW |
| – 28 | 1.58 μW |
| – 29 | 1.26 μW |
| – 30 | 1.0 μW |
| – 31 | 794.33 nW |
| – 32 | 630.96 nW |
| – 33 | 501.19 nW |
| – 34 | 398.11 nW |
| – 35 | 316.23 nW |
| – 36 | 251.19 nW |
| – 37 | 199.53 nW |
| – 38 | 158.49 nW |
| – 39 | 125.89 nW |
| – 40 | 100 nW |
| – 41 | 79.43 nW |
| – 42 | 63.10 nW |
| – 43 | 50.12 nW |
| – 44 | 39.81 nW |
| – 45 | 31.62 nW |
| – 46 | 25.12 nW |
dBm |
Watts |
| – 47 | 19.95 nW |
| – 48 | 15.85 nW |
| – 49 | 12.59 nW |
| – 50 | 10.0 nW |
| – 51 | 7.94 nW |
| – 52 | 6.31 nW |
| – 53 | 5.01 nW |
| – 54 | 3.98 nW |
| – 55 | 3.16 nW |
| – 56 | 2.51 nW |
| – 57 | 1.99 nW |
| – 58 | 1.58 nW |
| – 59 | 1.26 nW |
| – 60 | 1.0 nW |
| – 61 | 794.33 pW |
| – 62 | 630.96 pW |
| – 63 | 501.19 pW |
| – 64 | 398.11 pW |
| – 65 | 316.23 pW |
| – 66 | 251.19 pW |
| – 67 | 199.53 pW |
| – 68 | 158.49 pW |
| – 69 | 125.89 pW |
| – 70 | 100 pW |
| – 71 | 79.43 pW |
| – 72 | 63.10 pW |
| – 73 | 50.12 pW |
| – 74 | 39.81 pW |
| – 75 | 31.62 pW |
| – 76 | 25.12 pW |
| – 77 | 19.95 pW |
| – 78 | 15.85 pW |
| – 79 | 12.59 pW |
| – 80 | 10.0 pW |
| – 81 | 7.94 pW |
| – 82 | 6.31 pW |
| – 83 | 5.01 pW |
| – 84 | 3.98 pW |
| – 85 | 3.16 pW |
| – 86 | 2.51 pW |
| – 87 | 1.99 pW |
| – 88 | 1.58 pW |
| – 89 | 1.26 pW |
| – 90 | 1.0 pW |
| – 91 | 794.33 fW |
| – 92 | 630.96 fW |
| – 93 | 501.19 fW |
dBm |
Watts |
| – 94 | 398.11 fW |
| – 95 | 316.23 fW |
| – 96 | 251.19 fW |
| – 97 | 199.53 fW |
| – 98 | 158.49 fW |
| – 99 | 125.89 fW |
| – 100 | 100 fW |
| – 101 | 79.43 fW |
| – 102 | 63.10 fW |
| – 103 | 50.12 fW |
| – 104 | 39.81 fW |
| – 105 | 31.62 fW |
| -106 | 25.12 fW |
| -107 | 19.95 fW |
| – 108 | 15.85 fW |
| – 109 | 12.59 fW |
| – 110 | 10.0 fW |
| – 111 | 7.94 fW |
| – 112 | 6.31 fW |
| – 113 | 5.01 fW |
| – 114 | 3.98 fW |
| – 115 | 3.16 fW |
| – 116 | 2.51 fW |
| – 117 | 1.99 fW |
| – 118 | 1.58 fW |
| – 119 | 1.26 fW |
| – 120 | 1.0 fW |
| – 121 | 794.33 aW |
| – 122 | 630.96 aW |
| – 123 | 501.19 aW |
| – 124 | 398.11 aW |
| – 125 | 316.23 aW |
| – 126 | 251.19 aW |
| – 127 | 199.53 aW |
| – 128 | 158.49 aW |
| – 129 | 125.89 aW |
| – 130 | 100 aW |
| – 131 | 79.43 aW |
| – 132 | 63.10 aW |
| – 133 | 50.12 aW |
| – 134 | 39.81 aW |
| – 135 | 31.62 aW |
| – 136 | 25.12 aW |
| – 137 | 19.95 aW |
| – 138 | 15.85 aW |
| – 139 | 12.59 aW |
| – 140 | 10.0 aW |
Metric Prefixes
Numerical |
Exponential |
Prefix (symbol) |
| 1.0 | 1.0 E 0 | |
| 0.001 | 1.0 E -3 | milli (m) |
| 0.000001 | 1.0 E -6 | micro (μ) |
| 0.000000001 | 1.0 E -9 | nano (n) |
| 0.000000000001 | 1.0 E -12 | pico (p) |
| 0.000000000000001 | 1.0 E -15 | femto (f) |
| 0.000000000000000001 | 1.0 E -18 | atto (a) |