K5HH Amateur Radio Calculators

DIPOLE CALCULATOR

Imperial

Metric

Enter your desired frequency in MHz

After setting up your dipole with the lengths listed to the right, retest the SWR, find the frequency with the lowest SWR and enter that frequency in MHz below. New dipole length will show up below.

Desired Frequency:

Full Dipole Length
-' - ^-⁄_-"
-

Each Side/Leg
-' - ^-⁄_-"
-

Desired Frequency:

Full Dipole Length
-m -cm -mm
-.--

Each Side/Leg
-m -cm -mm
-.--

Now reset the length of your dipole to the length below and you should be resonant on your desired frequency.

-' - ^-⁄_-" = Full Dipole Length
-.-'

-' - ^-⁄_-" = Each Side/Leg
-.- ft.

The K5HH Antenna Calculators are for demonstration purposes only and may not reflect actual numbers for your equipment. I have, in good faith, given my best efforts to provide a calculator that will save ham operators time in setting up their antennas. However, ultimate responsibility for the proper use of your equipment lies with you. v1.1.0

Now reset the length of your dipole to the length below and you should be resonant on your desired frequency.

Full Dipole Length
-m -cm -mm
-.--

Each Side/Leg
-m -cm -mm
-.--

I’m creating a series of calculators in service to amateur radio operation. This page is where I will document all the apps I create for this project.

First is the Dipole length calculator. Once you have installed and activated the plugin, add the following shortcode to add the calculator to a page or post.

Then follow the app’s instructions.

The Fine Print

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