# Doppler Frequency Calculator

The change in frequency or wavelength of a wave for an observer moving relative to its source is known as Doppler effect. Doppler effect is also known as Doppler shift. This online Doppler frequency calculator helps you to calculate the change in radar frequency using the Doppler effect. Just enter Speed of Light (c), Target Velocity (v) and Original Frequency (Ft) in MHz, in the Doppler shift frequency calculator to find Shifted Frequency (Fr) and Doppler Frequency (Fd).

## Doppler Shift Frequency Calculator

Here is an online Doppler shift frequency calculator that allows you to calculate the change in radar frequency using the Doppler effect when there is a relative change in the speed.