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8 |
Dbm-Watts-Volts Conversion Chart
The table below shows the equivalent voltage or wattage of an RF power expressed in dBm for a
dBm | V | Po | dBm | V | Po | DBm | mV | Po | dBm | µV | Po |
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+53 | 100.0 | 200W | 0 | .225 | 1.0mW | 0.80 |
| 2.9 |
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+50 | 70.7 | 100W | .200 | .80mW | 0.71 | .01µW | 2.51 |
| |||
+49 | 64.0 | 80W | .180 | .64mW | 0.64 |
| 2.25 | .1pW | |||
+48 | 58.0 | 64W | .160 | .50mW | 0.57 |
| 2.0 |
| |||
+47 | 50.0 | 50W | .141 | .40mW | 0.50 |
| 1.8 |
| |||
+46 | 44.5 | 40W | .125 | .32mW | 0.45 |
| 1.6 |
| |||
+45 | 40.0 | 32W | .115 | .25mW | 0.40 |
| 1.41 |
| |||
+44 | 32.5 | 25W | .100 | .20mW | 0.351 |
| 1.27 |
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+43 | 32.0 | 20W | .090 | .16mW | 0.32 |
| 1.18 |
| |||
+42 | 28.0 | 16W | .080 | .125mW | 0.286 |
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+41 | 26.2 | 12.5W | .071 | .10mW | 0.251 |
| dBm | nV | Po | ||
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+40 | 22.5 | 10W | .064 |
| 0.225 | .001µW | 1000 |
| |||
+39 | 20.0 | 8W | .058 |
| 0.200 |
| 900 |
| |||
+38 | 18.0 | 6.4W | .050 |
| 0.180 |
| 800 |
| |||
+37 | 16.0 | 5W | .045 |
| 0.160 |
| 710 | .01pW | |||
+36 | 14.1 | 4W | .040 |
| 0.141 |
| 640 |
| |||
+35 | 12.5 | 3.2W | .0355 | 580 |
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+34 | 11.5 | 2.5W |
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| dBm | µV Po | 500 |
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+33 | 10.0 | 2W | dBm | mV | Po | 128 |
| 450 |
| ||
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+32 | 9.0 | 1.6W | 31.5 |
| 115 |
| 400 |
| |||
+31 | 8.0 | 1.25W | 28.5 |
| 100 |
| 355 |
| |||
+30 | 7.10 | 1.0W | 25.1 |
| 90 |
| 325 |
| |||
+29 | 6.40 | 800mW | 22.5 | .01mW | 80 |
| 285 |
| |||
+28 | 5.80 | 640mW | 20.0 |
| 71 | .1nW | 251 |
| |||
+27 | 5.00 | 500mW | 17.9 |
| 65 |
| 225 | .001pW | |||
+26 | 4.45 | 400mW | 15.9 |
| 58 |
| 200 |
| |||
+25 | 4.00 | 320mW | 14.1 |
| 50 |
| 180 |
| |||
+24 | 3.55 | 250mW | 12.8 |
| 45 |
| 160 |
| |||
+23 | 3.20 | 200mW | 11.5 |
| 40 |
| 141 |
| |||
+22 | 2.80 | 160mW | 10.0 |
| 35 |
| 128 |
| |||
+21 | 2.52 | 125mW | 8.9 |
| 32 |
| 117 |
| |||
+20 | 2.25 | 100mW | 8.0 |
| 29 |
| 100 |
| |||
+19 | 2.00 | 80mW | 7.1 | .001mW | 25 |
| 90 |
| |||
+18 | 1.80 | 64mW | 6.25 |
| 22.5 | .01nW | 80 | .1ƒW | |||
+17 | 1.60 | 50mW | 5.8 |
| 20.0 |
| 71 |
| |||
+16 | 1.41 | 40mW | 5.0 |
| 18.0 |
| 61 |
| |||
+15 | 1.25 | 32mW | 4.5 |
| 16.0 |
| 58 |
| |||
+14 | 1.15 | 25mW | 4.0 |
| 11.1 |
| 50 |
| |||
+13 | 1.00 | 20mW | 3.5 |
| 12.9 |
| 45 |
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Chapter 8 Technical Reference |