Gravitational Time Dilation Calculator

Calculate how time slows down in gravitational fields according to general relativity

Central Mass:

Unit:

Distance from Center:

Unit:

Proper Time (seconds) - time experienced by local observer:

Time dilation: τ = t × √(1 - 2GM/rc²)

Gravitational redshift: z = 1/√(1 - 2GM/rc²) - 1

GPS satellites experience ~45 μs/day time dilation relative to Earth surface

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MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: University Physics

by Young & Freedman

ðŸ”„Last reviewed: May 2026

âœ“Formula checks are based on standard references and internal QA review.