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
MyCalc offers basic and scientific calculation functions. Users can switch between portrait and landscape modes. It supports currency and unit conversions. Results, equations, and conversions can be copied, shared, or saved.
Calculate age in years, months, days, hours, minutes, and seconds by entering a birthdate. View remaining days until next . Break down total lived time into years, months, weeks, days, hours, minutes, and seconds. Save and organize information.
Allows users to perform calculations by without typing. It solves math problems using AI models like ChatGPT and Gemini. Users can ask for comparisons, bill splits, and percentage discounts. The converts units and time formats instantly.
Calculate briquettes needed for cooking based on temperature, size, and method. Adjust settings for precise heat distribution. View calculated numbers for top and bottom briquettes. Sync with recipe details for accurate cooking adjustments.
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.
Units between Fahrenheit and Celsius, miles per hour and kilometers per hour, miles and kilometers, feet and meters, square feet and square meters, pounds and kilograms, cups and deciliters, and fluid ounces to milliliters.
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.
Calculate age in years, months, weeks, days, hours, minutes, and seconds. Track days left to next milestones. Receive notifications when milestones are reached. Display age with a widget.
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.
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.
Displays speed and distance using GPS. Tracks maximum speed with vibration alerts. Shows position and time of maximum speed on a map. Switches between light and dark modes. Notifies of GPS measurement errors. Supports motorcycles, cars, and planes.
Calculate fabric size in centimeters or inches based on count and fabric type. Determine thread consumption for specified stitches. Input project details to estimate material needs. Export calculations for reference.
Convert units across 14 categories including length, weight, and temperature. Switch between metric, imperial, and Chinese traditional systems. Customize display formats and save frequently used conversions.
Convert decimals to fractions and vice versa. Display equations and results simultaneously. Edit calculations easily. Add to Today Screen for quick access. Ideal for , woodworking, and homework verification.
Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.
Calculate area by inputting width and length in feet, inches, or meters. Convert between imperial and metric units in real time. Determine quantity with gap size and waste percentage. Identify floor or wall based on dimensions.
Convert units across 14 categories including length, weight, and temperature. Switch between metric, imperial, and Chinese traditional systems. Customize display formats and save frequently used conversions.
Calculate pitches, angles, and rise/run ratios. Estimate decking, stair, stud wall, and concrete quantities and costs. Switch between US and metric units. Input measurements for precise material estimates. Export results for project planning.