Electrical Length

Calculate electrical length (phase) using φ = -360 · ( √εr · L · f ) / c with c = 299,792,458 m/s.

RF Tools • Electrical Length

Solve for φ (degrees)

Dielectric constant εr Length L

Frequency f

Phase convention

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Enter εr, L, and f to compute φ.

Solve for L (length)

Dielectric constant εr Frequency f

Phase φ (degrees) Use negative for lag if you want the same sign convention. Output units

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Enter εr, f, and φ to compute L.