What's New

- Updated for the newest devices.
- Minor bugs fixed.

App Description

Ohm's Law calculators are available for calculating current, voltage, resistance, and power. You can input two of the four factors in Ohm's Law, which are Power (P) or (W), measured in Watts, Voltage (V) or (E), measured in Volts, Current or Amperage (I), measured in Amps (Amperes), and Resistance (R), measured in Ohms.

The required factor will be calculated automatically when you enter the necessary value.

The various formulas for Ohm's law are as follows:

P = power in watts
E = voltage in volts
I = current in amps
R = resistance in ohms

P = E2 / R
P = I2 * R
P = E * I

E = sqrt(P * R)
E = P / I
E = I * R

I = E / R
I = P / E
I = sqrt(P / R)

R = E / I
R = E2 / P
R = P / I2

Discover the power of precision with our Ohm's Law calculators. Whether you're an electrical enthusiast or a professional, our intuitive tools make calculations a breeze. Easily find current, voltage, resistance, or power by inputting just two known values. With real-time results, you can efficiently plan circuits, troubleshoot, or design electrical systems. Ohm's Law, a fundamental principle in electronics, is now at your fingertips. Empower your electrical projects with accurate calculations and make informed decisions. Simplify your work, save time, and harness the full potential of Ohm's Law with our calculators. Start optimizing your electrical endeavors today!

Experience the convenience of Ohm's Law calculators on your iPhone and iPad. Whether you're on the go with your iPhone or need a larger screen on your iPad, our app adapts to your device seamlessly. Unlock the power of accurate electrical calculations wherever you are. With a one-time purchase, you'll have this indispensable tool at your fingertips on all your iOS devices. Don't miss out on this versatile solution that enhances your electrical projects on both iPhone and iPad. Get it now and streamline your work with ease!

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iPhone Screenshots

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iPad Screenshots

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App Changes

  • March 04, 2012 Initial release
  • May 08, 2012 New version 1.1
  • February 27, 2016 Price increase: $1.99 -> $2.99
  • November 06, 2016 New version 1.5
  • June 13, 2019 New version 1.6
  • July 14, 2020 New version 1.7
  • September 16, 2023 New version 1.8