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
Perform calculations with math functions and trigonometry. Switch between units like feet, inches, yards, and metric. Visualize measurements and fractions. Track projects with customizable templates. Export results in various formats.
Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.
Calculate , base material, and sealcoat quantities for paving projects. Input dimensions in various units and receive results in tons, cubic yards, or cubic meters. Estimate material costs based on input measurements.
Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.
Display current speed and location using GPS. Switch between units like mph, km/h, m/s, knots, and min./500m. No ads or in- purchases. Requires careful use while driving.
Performs basic arithmetic and scientific calculations. Save equations and results for later. Unit Converter converts units for area, length, temperature, and more. Includes tools for currency exchange, date calculations, and percentage computations.
Remind users of upcoming American holidays, birthdays, and events. Set custom reminders or alarms. View month history and origin. Access a world clock, calculator, todo list, and translator for American local time.
Perform complex calculations with customizable formulas and equation solving. Save and reuse calculations. Convert units and manage multiple profiles. Export results and access advanced functions like matrix operations and statistical analysis.
Create detailed PDF blueprints for construction projects. Measure in centimeters, millimeters, or feet. ccurate wall designs for rake and tall structures. Save and share blueprints directly.
Calculate the approximate of an Atlantic Giant based on its total length, ranging from 177.8 cm to 1257.3 cm. Choose units in centimeters or inches and kilograms or pounds. Automatically compute the .
Calculate , topsoil, dirt, or landscaping material needed for projects. Input dimensions for rectangular, circular, or custom areas. Enter measurements in inches, feet, yards, centimeters, or meters.
Convert units for currency, length, weight, area, volume, speed, temperature, fuel economy, and more. Enter values for instant results. Use offline without ads. Features clean design and supports everyday tasks and study.
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.
Perform calculations with feet, inches, and fractional inches. Add, subtract, multiply, divide, and compute roots or powers. Scale drawings using the scaling feature. Convert and manage measurements directly within the .
Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.
Calculate using intuitive sliders. Input distance and time to determine . View estimated finishing times for different run lengths. Track progress with visual feedback.
Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.