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
Convert physical objects into measurements using a function. Adjust two red lines to measure distances in centimeters or inches. Display measurements instantly on the screen.
Explore word meanings, parts of speech, and related terms through interactive word trees. Manipulate entries with gestures to navigate definitions, examples, and etymology.
Convert units across 40+ categories with a single click. Switch between metric and imperial systems. Input values and select units for instant . Share results or copy to clipboard.
This app offers 458 units across 22 dimensions, including length, volume, and weight. It serves as a general-use calculator for converting between different unit sets.
Convert units across categories like length, weight, and temperature. Enter a value and select units for conversion. Perform calculations using converted values. Sync results with other devices.
A and unit/currency with a clean interface. Convert between 500+ units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
Convert across length, mass, area, volume, temperature,
Convert of length, mass, area, volume, temperature, and time. Switch between and view results for two selected . Access a list of all in each category. Share conversion results with others.
Measure objects using touch as or tape measure. Split objects into equal parts and calculate width/height ratios. Estimate diameter, angles, and divide circular objects. Switch between millimeters and inches for units.
Calculate based on set tour lengths and actual worked times. Input normal tour duration once, then enter worked tour for calculation. Supports RDO, PreTour, and wrap-around . Set rates and compute compensation in cash or time.
Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.
Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.
Convert units between U.S. standard and metric systems. Calculate length, weight, volume, and temperature. Switch between imperial and metric measurements. Store frequently used conversions.
Convert units across length, area, volume, angle, mass, pressure, and more. Check real-time currency exchange rates. Recalculate instantly with updated values. Save frequently used conversions for quick access.
Convert units across categories like length, weight, temperature, and volume. Switch between 100+ built-in units. Add custom units. Convert between imperial and metric systems. Save frequently used conversions. Share results via copy or email.
Calculate measurements, convert units, and estimate material quantities. Perform trigonometry, slope calculations, and area computations. Save frequently used formulas and access them quickly. Export results and share via email or messaging.
Converts Width, Length, and Depth between imperial and metric units in real time. Calculates Area, Volume, and Weight based on provided dimensions. Allows custom Density input for accurate Weight calculations.
Convert units across multiple categories including area, data, fuel-milage, length, power, pressure, speed, temperature, time, volume, and weight-mass. Switch between units with a single tap. View conversion results and history.
Distances between waypoints or calculate surface areas using map polygons. Set waypoints by tapping and holding. Choose units like kilometers, miles, or nautical miles. Access settings to change map type or view the manual.