Apps Like Ohm's Law Calculator for iPhone and iPad
Calculate voltage, current, resistance, power
Calculate voltage, current, resistance, and power by entering any two values. Automatically compute the remaining values. Support multiple units including volts, amps, ohms, and watts. Convert between kilo, mega, and milli units.
by Phan Nhat Đang★ 5.02 ratingsUtilitiesFreeData updated 2026-09-27
Calculate by entering speed and air temperature. Support units for air temperature including °C, °F, and Kelvin, and speed in mph, km/h, m/s, and knots. Include a temperature converter for unit conversion.
Calculate dew with temperature and humidity inputs
Calculate dew temperature using air temperature and relative humidity. Convert results to Kelvin, Celsius, or Fahrenheit. Input values manually for accurate calculations.
Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
Calculate voltage, current, resistance, or electric power by entering any two values. Convert results between normal and scientific notation. Display calculated values clearly.
Calculate power, voltage, resistance, and current using Ohm's Law. Enter any two values to instantly receive all results. Switch between Watts, kiloWatts, and MegaWatts. Clear fields with a button. Share results via built-in sharing.
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
Calculate as angle, percentage, or ratio using a right triangle. Enter two sides to find the remaining values. Display results clearly with unit options. Save and share calculations.
Calculate area and cost based on entered dimensions or house size. Input measurements to get automatic estimates. Export results for reference and share with professionals.
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Calculate compound annual growth rate by inputting starting value, ending value, and investment period. Perform calculations using the provided formula. Export results for record-keeping.
Calculate boards and fasteners needed for a project. Input dimensions to determine quantity of boards, screws, and hidden fasteners. Estimate total cost for materials based on input measurements.
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.
Calculate durations between dates and times. Add or values from a starting date. Adjust values directly. View results clearly without complex settings.
Calculate and mortgage payments with customizable terms, interest rates, and frequencies. Display breakdowns of interest and principal. Estimate repayment time. Compare options. Export results via email or file. Save details for future reference.
Calculate ROI by entering invested amount, returned amount, and investment period. Compute annualized ROI for long-term returns. Provide accurate results based on user input.
Calculate certificates of deposit by entering initial amount, time, and interest rate. View compounding schedules and results. Input variables to determine final balance and interest earned.
Calculate net present value for uneven or even cash flows. Input cash flow amounts and discount rates. Copy results to clipboard. Support unlimited years of cash flow data.