Watt to dBm converter

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.

dbm watt calculator

Example: dBm=43.0103 <-> 20000 mWatt <-> 20 Watt

Short way to convert dBm to Watt:

  1. Ten to the Power in dBm divided by 10
  2. Divide the Result value from step 1 by 1000, and you will get the power in Watts.

Short way to convert Watt to dBm:

  1. Divide Power in Watt by 1000
  2. 10 times the base 10 logarithm of the Result value from step 1.

Short way to convert milliwatts (mW) to dBm:

  1. 10 times the base 10 logarithm of the Power in milliwatts (mW)

Table: dBm (decibel milliwatts) to Watt values

dBmWattmW
-100.00010.1
-90.0001260.126
-80.0001590.159
-70.00020.2
-60.0002520.252
-50.0003170.317
-40.0003990.399
-30.0005020.502
-20.0006310.631
-10.0007950.795
00.0011
10.0012591.259
20.0015851.585
30.0019961.996
40.0025122.512
50.0031633.163
60.0039823.982
70.0050125.012
80.006316.31
90.0079447.944
100.0110
110.0125912.59
120.01584915.849
130.01995319.953
140.02511925.119
150.03162331.623
160.03981139.811
170.05011950.119
180.06309663.096
190.07943379.433
200.1100
210.125893125.893
220.15849158.49
230.199527199.527
240.251189251.189
250.316228316.228
260.398108398.108
270.501188501.188
280.630958630.958
290.794329794.329
3011000
311.2589261258.926
321.5848941584.894
331.9952631995.263
342.5118872511.887
353.1622783162.278
363.9810723981.072
375.0118735011.873
386.3095746309.574
397.9432837943.283
401010000
4112.58925512589.255
4215.84893215848.932
4319.95262419952.624
4425.11886525118.865
4531.62277731622.777
4639.81071839810.718
4750.11872450118.724
4863.09573563095.735
4979.43282479432.824
50100100000
51125.892542125892.542
52158.48932158489.32
53199.526232199526.232
54251.188644251188.644
55316.227767316227.767
56398.107171398107.171
57501.187234501187.234
58630.957345630957.345
59794.328235794328.235
6010001000000

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