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
The app helps flat-rolled steel buyers verify steel coil and sheet specifications. It calculates coil weight, converts gauges to decimals, and finds sheets in a bundle, supporting imperial and metric units.
Offers basic and scientific functions for daily tasks and complex computations. It includes unit converters with 41 categories, allowing users to drag and sort units, switch base units, and perform accurate calculations.
The app manages recurrent events and daily tasks. It provides reminders for birthdays, anniversaries, appointments, and meetings with sound or vibration options.
Perform calculations for wood projects. Input measurements and materials. Estimate costs and quantities. Save and share project notes. Convert units and access formulas.
Solve math problems with basic and complex calculations. Convert units and exchange currencies. Use fractions and square root functions. Perform calculations quickly and accurately.
Allows users to perform calculations and unit conversions within a single . It supports over 200 units across various categories. Users can input equations, view results, and convert units instantly.
Calculate casing sizes, weights, and hydrostatic pressure with unit conversions between imperial and metric systems. Switch units instantly. Perform pressure calculations for oil and gas applications. Access accurate data for field and office use.
The app provides a general-use calculator for converting between 586 units across 47 dimensions. It is designed for users needing to convert one set of units to another.
The app calculates racing pigeon speed in various units including YPM, MPH, and KPH. It allows users to input distance in miles or kilometers and liberation and arrival times to determine speed and overfly allowance.
Calculate coffee brewing ratios with adjustable variables. Convert units between grams, milliliters, and ounces. Set and track brewing time with a built-in timer.
Estimate construction material quantities for building and paving projects. Input job parameters like length, width, and thickness. Select material properties such as density from predefined options.
The app provides tools for musical calculations including timecode, tempo, and frequency conversions. It offers a timecode calculator with frame format management and a tap tempo feature with a metronome.