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dBm ⇆ mW converter

The calculator allows you to make a conversion:
  • power ratio value, expressed in [dBm] into actual power, expressed in watts (or one of its multiples), selecting the unit could be automatic or predetermined
  • the value of actual power (expressed in watts or in its multiples) into the power ratio value in [dBm]


Automatically select unit for power
resistors in parallel
capacitors in series
inductances in parallel
LC resonance circuit
bandspread capacitors circuit
single-layer air-cored coil
circular loop coil
square loop coil
frequency,wavelength,period
three-digit capacitor markings
resistor codes (4 bands)
resistor codes (5 bands)
choke/inductor color codes
555 astable
555 monostable
match standard Ex value
combine standard E6, E12 & E24 values
LM317 voltage regulator
dBm ⇆ mW converter
mm ⇆ in converter
resistance of a wire
Ohm's law
dropping resistor for 'P' tubes
dropping capacitor for 'P' tubes
dropping resistor for 'U' tubes
dropping capacitor for 'U' tubes
line-of-sight
dropping resistor for LEDs
Y-Δ transform
Y-Δ transform (capacitances)
parabolic antenna gain
AWG converter

[ekalk]© Sławek Wernikowski, 2012-2016. Set of useful interactive calculators for electronics constructors and hams.

All suggestions and comments are always welcome.

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[[3.21 2017-01-28]]