Calculate and convert units on the go
Perform calculations and unit conversions for aviation tasks. Access over 100 calculators with equations and graphics. Save and retrieve calculation results. Convert units for fuel, distance, speed, and weight.
Showing 321–340 of 1,000 ranked alternatives.
Robert Thompson
Calculate, estimate, and plan projects
Calculate concrete quantities for floor slabs and foundations including aggregate, sand, and cement. Estimate materials for DIY projects and building trades. Include a VAT calculator and a brain-training game.
Nic Kolbe
Convert units, calculate power, track energy metrics
Convert electrical units including Ampere, Volt, Watt, Ohm, Siemens, Joule, and Second. Calculate duration of energy, peak voltage, and terminal voltage. Adjust number formats for precise results. Perform complex electrical calculations with ease.
Usman Perwaiz
Convert units instantly and swap values
Convert units between feet and inches, miles and kilometers, Celsius and Fahrenheit. Swap units with a button. Access live currency updates for major currencies. View 15 categories with multiple units. Perform calculations with a simple interface.
WillowRoot Apps, LLC
Tap to see local, UTC, and zone
Display current local, military, and UTC with a tap. Show in 12-hour and 24-hour formats. Compare local to UTC. Display three most recently viewed zones along with UTC. Convert past times between zones.
MaoWare Corporation
Convert units in 22 measures.
The app converts units across 22 different measures. Its multi-unit design allows conversion from one unit to three others simultaneously.
Push Interactions, Inc.
Calculate parameters and convert units
Calculate current, phase voltage, efficiency, and regulation at different loads and power factors. Convert SI units for speed, force, power, area, pressure, volume, temperature, and weight. Determine ship dates using weeks after order.
Troy Knight
Enter data, get precise results
Calculate weight and volume using width, length, and thickness. Input measurements in feet/inches or metric. Includes aggregate and asphalt calculators with precise results. Features high visibility text for direct sunlight use.
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