Convert units between different systems with a simple interface. Perform basic and advanced calculations. View and switch between time zones with an intuitive world clock.
by YUTA OKAJIMA★ 4.73 ratingsUtilitiesFreeData updated 2026-09-08
Calculate decimal, binary, octal, and hexadecimal values
Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.
Calculate power, current, and voltage in electrical circuits. Input values to determine unknown quantities. Convert between units. Store frequently used calculations. Share results via email or copy-paste.
Convert currencies and units with customizable tools. View first aid information and coordinates. Adjust music playback with tilt and shake gestures. Track position data and manage basic settings.
Calculate depth of field with real-time updates and advanced algorithms. Input focal length, aperture, and distance to determine focus range. Account for diffraction effects. Export results and share calculations.
The app provides 33 different calculation functions, including scientific, health-related, and date calculators. It also offers unit conversion and timers, eliminating the need for multiple applications.
Calculate final prices and savings with real-time updates. Input original price and percentage to see adjusted amounts. Adjust settings for custom calculations. Compatible with all device types.
Calculate decking and flooring materials with area, board runs, spacing, and waste allowance. Generate material takeoffs for boards and joists. Measure roof coverage, sheet counts, overhangs, pitch, angle, and rafter lengths.
Calculate with scientific and engineering notation
Perform scientific and engineering calculations with support for notation like 1E-6 and multipliers such as p, n, u, m, k, M. Edit formulas, recalculate, and view calculation history.
Calculate between two pipes or a hole and a pipe. Input inside and outside diameters and lengths. Switch between US customary and metric units. Perform calculations for oilfield or general use.
Calculate the using inputs for the longest side, shorter side, or combined length. Perform instant calculations with support for up to 16 decimal places and various units. Copy results to another and view the formula as a reference.
Convert rates between volume-based, mass-based, and mole-based units. Input values and select units for . Display results in standard and scientific notation. Save and share converted values.
Perform calculations with real-time results as you type. Chain multiple calculations together for continuous operations. Customize settings for personalized experience. View detailed history of previous calculations.