Calculate voltage, current, resistance, and power
Calculate voltage, current, resistance, or electric power by entering any two values. Convert results between normal and scientific notation. Display calculated values clearly.
Showing 61–80 of 1,000 ranked alternatives.
Rajendran Sajith Sajindran
Convert with precision and speed
Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.
SuperDG Inc.
Calculate, edit, and track entries
Perform arithmetic operations with a simple interface. View current calculations and track history. Supports universal device compatibility. No advanced or engineering functions included.
Masaharu Tsukamoto
Calculate triangle sides and angles
TriangleCalc calculates triangle side lengths and angles by entering two values. Automatically computes remaining sides and angles. Displays results in clear numerical format. Supports basic trigonometric calculations for triangles.
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
Rocket Apps GmbH
Snap, scribble, calculate
Snap and scribble to solve math problems. Perform basic, scientific, and fraction calculations. Convert currencies and view calculation history. Customize themes and use an intuitive design.
TLA Systems Ltd.
Calculate, convert, and program with precision
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.
Shaolo LLC
Share feedback and contact support
Calculate differences between two numbers. Input values and view results. Compare multiple pairs of numbers in separate tabs. Export calculations as text or share via email.
7th Gear
Calculate, customize, and solve equations
Calculator lets users perform basic and scientific calculations with over 30 functions. Switch between portrait and landscape modes. Customize leather color and background texture on iPad. Take notes or draw directly on the interface.
Enes Akkus
Resistance values instantly
Resistance values by entering SMD codes or color combinations. Convert values instantly. Display results in ohms, kilohms, and megohms. Automatically calculate tolerance and percentage deviation. Export data as text or share via email.
Rohde & Schwarz GmbH & Co. KG
Calculate dBm and voltage levels
Calculate power levels in dBm and watt with addition and subtraction. Convert between dBm, dBW, mW, W, mV, V, dBV, dBµV, and dBu. Adjust for impedance. Perform voltage calculations for correlated and uncorrelated values.
Kantaben Gorasiya
Calculate voltage, current, and power
Calculate values using Ohm’s Law with inputs for voltage, current, and resistance. Determine power with formulas for watts, amps, and volts. Convert between units like volts, amps, and kilowatts. Store frequently used values for quick access.
David White
Measure voltages and calculate resistance
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
Electronial
Calculate coordinates and grid squares for projects
Offers calculators for designing radios and antennas. Users can find latitude and longitude from a maidenhead square or vice versa. Calculate distances between squares. Convert units. Locate current position.
B&K Precision Corporation
Calculate electrical values instantly
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.
Cressall Resistors Ltd
Calculate electrical laws and relationships.
The app calculates Ohm's law and power law relationships. Users can fix two electrical parameters to calculate the other two, allowing for rapid "what-if" recalculations.
National Refrigerants, Inc.
Calculate pressure and temperature
Calculate pressure and temperature values for refrigerants. Input pressure or temperature to automatically compute the other. Display superheat and subcool values. Show saturated vapor and liquid values for blends. Switch between refrigerant types.
Miroslav Otsedarski
Powerful and precise calculations for everyone.
The app offers scientific and standard modes with over 30 scientific operations. It supports degrees and radians, parentheses, and output in decimal or scientific notation.
Francesco Grassi
Calculate percentages and view full steps
Calculate percentages, find the total, or determine the part. Input two values to automatically compute the third. View detailed step-by-step calculations. Share the complete solution with others.
Marcus Roskosch
Edit schematics, calculate values, and test circuits
Manage components with a database of resistors, capacitors, and diodes. Calculate circuit values using Ohm’s Law and power formulas. Access schematics, datasheets, and component symbols. Convert units and view component ratings.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.