This Page provides information about Watt to dBm (decibel-milliwatts) converter. Converter allows to calculate the dBm from Watt (or mW) and back (Watt or mW from dBm). Decibel-milliwatts (dBm or dBmW) is used in telecommunication networks as a easy measure of absolute power.It help to get to very large and very small values in a short form.
Example: dBm=43.0103 <-> 20000 mWatt <-> 20 Watt
Short way to convert dBm to Watt:
- Ten to the Power in dBm divided by 10
- Divide the Result value from step 1 by 1000, and you will get the power in Watts.
Short way to convert Watt to dBm:
- Divide Power in Watt by 1000
- 10 times the base 10 logarithm of the Result value from step 1.
Short way to convert milliwatts (mW) to dBm:
- 10 times the base 10 logarithm of the Power in milliwatts (mW)
Table: dBm (decibel milliwatts) to Watt values
| dBm | Watt | mW |
| -10 | 0.0001 | 0.1 |
| -9 | 0.000126 | 0.126 |
| -8 | 0.000159 | 0.159 |
| -7 | 0.0002 | 0.2 |
| -6 | 0.000252 | 0.252 |
| -5 | 0.000317 | 0.317 |
| -4 | 0.000399 | 0.399 |
| -3 | 0.000502 | 0.502 |
| -2 | 0.000631 | 0.631 |
| -1 | 0.000795 | 0.795 |
| 0 | 0.001 | 1 |
| 1 | 0.001259 | 1.259 |
| 2 | 0.001585 | 1.585 |
| 3 | 0.001996 | 1.996 |
| 4 | 0.002512 | 2.512 |
| 5 | 0.003163 | 3.163 |
| 6 | 0.003982 | 3.982 |
| 7 | 0.005012 | 5.012 |
| 8 | 0.00631 | 6.31 |
| 9 | 0.007944 | 7.944 |
| 10 | 0.01 | 10 |
| 11 | 0.01259 | 12.59 |
| 12 | 0.015849 | 15.849 |
| 13 | 0.019953 | 19.953 |
| 14 | 0.025119 | 25.119 |
| 15 | 0.031623 | 31.623 |
| 16 | 0.039811 | 39.811 |
| 17 | 0.050119 | 50.119 |
| 18 | 0.063096 | 63.096 |
| 19 | 0.079433 | 79.433 |
| 20 | 0.1 | 100 |
| 21 | 0.125893 | 125.893 |
| 22 | 0.15849 | 158.49 |
| 23 | 0.199527 | 199.527 |
| 24 | 0.251189 | 251.189 |
| 25 | 0.316228 | 316.228 |
| 26 | 0.398108 | 398.108 |
| 27 | 0.501188 | 501.188 |
| 28 | 0.630958 | 630.958 |
| 29 | 0.794329 | 794.329 |
| 30 | 1 | 1000 |
| 31 | 1.258926 | 1258.926 |
| 32 | 1.584894 | 1584.894 |
| 33 | 1.995263 | 1995.263 |
| 34 | 2.511887 | 2511.887 |
| 35 | 3.162278 | 3162.278 |
| 36 | 3.981072 | 3981.072 |
| 37 | 5.011873 | 5011.873 |
| 38 | 6.309574 | 6309.574 |
| 39 | 7.943283 | 7943.283 |
| 40 | 10 | 10000 |
| 41 | 12.589255 | 12589.255 |
| 42 | 15.848932 | 15848.932 |
| 43 | 19.952624 | 19952.624 |
| 44 | 25.118865 | 25118.865 |
| 45 | 31.622777 | 31622.777 |
| 46 | 39.810718 | 39810.718 |
| 47 | 50.118724 | 50118.724 |
| 48 | 63.095735 | 63095.735 |
| 49 | 79.432824 | 79432.824 |
| 50 | 100 | 100000 |
| 51 | 125.892542 | 125892.542 |
| 52 | 158.48932 | 158489.32 |
| 53 | 199.526232 | 199526.232 |
| 54 | 251.188644 | 251188.644 |
| 55 | 316.227767 | 316227.767 |
| 56 | 398.107171 | 398107.171 |
| 57 | 501.187234 | 501187.234 |
| 58 | 630.957345 | 630957.345 |
| 59 | 794.328235 | 794328.235 |
| 60 | 1000 | 1000000 |
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