Ohm's Law Calculator app icon

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

Ohm's Law Calculator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Wind Chill Calculator - Calc app icon

    Wind Chill Calculator - Calc

    Phan Nhat Đang

    Calculate with accurate results

    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.

    ★ 4.4529 ratingsUtilitiesFreeData updated 2026-09-27
  2. Dew Point Calculator - Calc app icon

    Dew Point Calculator - Calc

    Phan Nhat Đang

    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.

    ★ 4.2190 ratingsWeatherFreeData updated 2026-09-26
  3. Ohms Law app icon

    Ohms Law

    Pro Certs Software Ltd

    Calculate power, current, resistance, voltage.

    The app calculates voltage, current, resistance, and power. Users input any two values to determine the remaining two using Ohm's Law formulas.

    ★ 4.37 ratingsUtilitiesFreeData updated 2026-10-08
  1. Ohmulator app icon

    Ohmulator

    Armchair Engineering

    Calculate voltage, current, and resistance

    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.

    ★ 4.779 ratingsUtilities$0.99Data updated 2026-09-08
  2. Ohms Law Calc. app icon

    Ohms Law Calc.

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    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.

    ★ 4.71,326 ratingsUtilitiesFreeData updated 2026-09-08
  3. Basic Electronic Calculator app icon

    Basic Electronic Calculator

    Gergely Nagy

    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.

    ★ 3.52 ratingsUtilitiesFreeData updated 2026-09-08
  4. The Ohms Law Calculator app icon

    The Ohms Law Calculator

    Adam Wilkie

    Calculate power, voltage, resistance, current

    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.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  5. Electrical Calculator Plus app icon

    Electrical Calculator Plus

    Calc Hub, LLC

    Calculate voltage, current, and power

    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.

    ★ 4.625 ratingsUtilitiesFreeData updated 2026-09-06
  6. Slope Calculator - Calc app icon

    Slope Calculator - Calc

    Phan Nhat Đang

    Calculate with two triangle sides

    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.

    ★ 4.399 ratingsUtilitiesFreeData updated 2026-09-06
  7. Roof Calculator: Pitch, Angle app icon

    Roof Calculator: Pitch, Angle

    Phan Nhat Đang

    Calculate area and cost automatically

    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.

    ★ 4.333 ratingsUtilitiesFreeData updated 2026-10-06
  8. Ohm & Watt Law Electrical Calc app icon

    Ohm & Watt Law Electrical Calc

    TrothMatrix OPC Private Limited

    Calculate voltage, current, resistance, and power

    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.

    ★ 4.752 ratingsUtilitiesFreeData updated 2026-09-17
  9. CAGR Calculator app icon

    CAGR Calculator

    Phan Nhat Đang

    Calculate with start and end values

    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.

    ★ 4.732 ratingsUtilitiesFreeData updated 2026-09-23
  10. Decking calculator, material app icon

    Decking calculator, material

    Phan Nhat Đang

    Calculate boards and fasteners

    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.

    ★ 4.5176 ratingsUtilitiesFreeData updated 2026-09-26
  11. Ohm's Law app icon

    Ohm's Law

    Creature Code Mobile, LLC

    Calculate voltage, current, and resistance

    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.

    ★ 4.7170 ratingsUtilitiesFreeData updated 2026-09-08
  12. Time Calculator: Add, Subtract app icon

    Time Calculator: Add, Subtract

    Phan Nhat Đang

    Calculate differences and durations

    Calculate durations between dates and times. Add or values from a starting date. Adjust values directly. View results clearly without complex settings.

    ★ 4.6158 ratingsUtilitiesFreeData updated 2026-09-06
  13. Loan Calculator - Payment Calc app icon

    Loan Calculator - Payment Calc

    Phan Nhat Đang

    Calculate loans and mortgages quickly

    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.

    ★ 4.7961 ratingsFinanceFreeData updated 2026-10-03
  14. ROI Calculator - Calc app icon

    ROI Calculator - Calc

    Phan Nhat Đang

    Calculate ROI and Annualized ROI

    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.

    ★ 4.4149 ratingsFinanceFreeData updated 2026-09-06
  15. CD Calculator - Calc app icon

    CD Calculator - Calc

    Phan Nhat Đang

    Calculate deposits with interest and compounding

    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.

    ★ 4.5245 ratingsFinanceFreeData updated 2026-09-06
  16. NPV Calculator by ND, calc app icon

    NPV Calculator by ND, calc

    Phan Nhat Đang

    Calculate NPV for cash flows

    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.

    ★ 4.137 ratingsUtilitiesFreeData updated 2026-09-22

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.