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Electrical / RF fundamentals

Frequency & Wavelength Calculator

Convert frequency and wavelength in free space or apply a velocity factor for cable and other media.

Frequency

Propagation medium

Wave result

Full wavelength2.99792 m

Propagation speed 299.792 million m/s at VF 1

Frequency
100 MHz
Quarter wavelength
74.94811 cm
Half wavelength
1.49896 m
Full wavelength
2.99792 m

Free-space calculations use c = 299,792,458 m/s. Velocity factor scales this speed for cables and other propagation media.