Allows users to calculate electrical values with tools like Power, Delta-Wye, AWG, Voltage Drop, Ampacity, THD, Resistor Code, and LED Info. Users input component values to get results. The supports dark and light themes.
by B&K Precision Corporation★ 5.07 ratingsEducationFreeData updated 2026-09-06
Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.
Calculate electrical values using . Input voltage, current, or resistance to find missing variables. Supports calculations for series and parallel circuits. Includes unit conversion for volts, amps, and ohms.
Perform basic calculations with a standard interface. Optimized for iPad and iOS 9 with high-resolution display support. Includes a charming piano sound for input. No popups or ads.
Convert units across 16 categories with 173 units and 2162 conversions. Perform calculations for field strength, resistance, capacitance, and more. Access 62 calculators via in- purchase.
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Calculate materials for and brickwork projects. Estimate blocks, bricks, mortar, concrete, and gravel needed. Input wall dimensions in various units. Use calculators for area, volume, and retaining walls.
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.
Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.
FP performs basic arithmetic, currency conversions, and unit conversions. Users can switch between dark and light modes. Split-screen mode is available on iPad.
Calculate voltage drop for electrical circuits up to 600V. Input custom voltages and system parameters. Output detailed results including conductor size, length, and resistance. Assist in verifying electrical system performance and safety.
Calculate time values by adding, subtracting, and multiplying and . Input time values directly without converting to decimals. Display results in and format.
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.
Perform calculations with a standard featuring extra-large buttons and functions like delete, x², √, and %. Use a scientific with 30 advanced functions. Convert units, calculate loans, and determine tips.