e: Spacetime Converter app icon

Apps Like e: Spacetime Converter for iPhone and iPad

Convert length and time relativistically.

The app converts between length and time using geometrized units where the speed of light is unity. It allows users to think about the world differently by converting units like inches to seconds or miles to years.

by Elliptics, Ltd.★ 5.01 ratingsEducationFreeData updated 2026-09-10
App detailsView in App Store

e: Spacetime Converter screenshots

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    Convert measurements between inches, millimeters, and fractional inches. Input decimal or fractional values to get precise conversions. Display closest standard fractions with their differences from the original value.

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    App details

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