Gravitational Redshift Calculator

Calculate how gravity affects light frequency

Mass Unit

Central Mass

Emission Radius (m)

Observer Radius (m)

Source Frequency (Hz, optional)

Results

Enter values to calculate

Formula

z = √((1 - rs/r₂)/(1 - rs/r₁)) - 1

Where rs = 2GM/c² is the Schwarzschild radius, r₁ is emission radius, r₂ is observer radius.

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