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ホーム - RF/Microwave Calculators & Conversions - Coaxial Cable Impedance Calculator

Coaxial Cable Impedance Calculator

Pasternack's Coaxial Cable Impedance Calculator allows you to enter the Outer Diameter Dielectric width, Inner conductor Diameter width and either the Dielectric Constant or Velocity of Propagation (VoP) values in order to calculate the impedance of the coax.

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Dielectric Outer Diameter:
Inner Conductor Diameter:

Result:
Impedance:
Cutoff Frequency:
Capacitance:
Inductance:

Pasternack carries hundreds of RF cables all in-stock and available for same-day shipping worldwide. Choose from 50 Ohm, 75 Ohm, 93 Ohm and 95 Ohm coaxial cables or 78 Ohm and 100 Ohm Twinax cables. Customers can choose to either buy cable in bulk or use our large selection of coax types to construct custom cable assemblies.

**Note: All of our calculators allow SI prefix input. For example, if you wish to input "25000000", just type "25M" instead. See the quick-reference table below for all compatible SI prefixes.
Prefix Symbol Value
Tera 'T' 1012
Giga 'G' 109
Mega 'M' 106
kilo 'k' 103
Prefix Symbol Value
pico 'p' 10-12
nano 'n' 10-9
micro 'u' 10-6
milli 'm' 10-3