For length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency. Automatically or manually update currencies with 160 options. Enable multitasking on iPad for simultaneous conversions.
by Yan Liong Tan★ 4.71,357 ratingsProductivityFreeData updated 2026-09-11
Convert across categories like area, storage, mass, length, time, temperature, and volume. Switch between life-related such as angle, energy, and pressure. Access science-based conversions for acceleration, force, and radiation.
Perform basic arithmetic, scientific calculations, and programmer-specific conversions. Save results to a history log. Switch between different calculation modes and unit conversions.
Convert of length, distance, and area between US/imperial and metric systems. Switch between mils, inches, feet, miles, and metric like millimeters, meters, and kilometers. Calculate conversions for area measurements as well.
Units and metrics with a simple interface. Select a to from and add it to shortcuts for quick access. Use pre-set tables for cooking, shoe sizes, oven temperatures, and clothing measurements. Perform conversions instantly without additional steps.
Calculate true airspeed, mach number, pressure altitude, and density altitude. Input indicated altitude and Kollsman window pressure setting. Automatically adjusts for standard sea level pressure.
Convert units across five categories with instant access to favorites. Switch between measurement systems. Perform calculations for area, volume, and temperature. Save frequently used conversions for quick access.
Calculate , cement bags, and sand volume for projects. Choose units based on regional standards. Input project dimensions to get accurate material estimates.
Calculate physical quantities using formulas for force, work, power, energy, acceleration, and motion. Input values to solve for unknowns. Track units and view step-by-step solutions. Sync results with other devices.
Calculate strength inside a using input parameters like current, length, and turns. Perform instant calculations with high precision up to 16 decimal places. Copy results to other apps. Includes formulas and supports multiple units for each input.
Convert measurements between . Input a value and select source and target . Display results instantly. Support for standard and metric . Store and recall frequently used conversions.