Ohm's law calculator: find voltage, current, resistance and power fast
Ohm Calculator solves Ohm's law in seconds. Enter any two values and get the other two: voltage (V), current (I), resistance (R) and power (P).
Made for electronics students, electricians, makers and hobbyists who need a quick answer on the bench, in class or on site.
WHAT YOU CAN DO
• Calculate V, I, R and P from any two known values
• See the result full screen, with the formula behind it
• Follow a simple circuit diagram that matches your inputs
• Keep a history of your calculations on your device
• Read the built-in reference for Ohm's law and the power formulas
• Use the short guided tutorial the first time you open the app
MADE TO BE COMFORTABLE
• Fast to open, easy to read, big touch targets
• Choose from several colour themes and fonts
• Adjust text size and the number of decimal places
• Available in 12 languages, including English, Hindi, Spanish, Portuguese, French, German, Italian, Russian, Chinese, Japanese, Korean and Arabic
• No account and no sign-up
REMOVE ADS
The app is free with ads. Go Premium with a yearly plan or a one-time lifetime purchase to remove ads for good and support the developer.
Ohm Calculator is a learning and reference tool. Always check your results before working on real circuits.
Có gì mới
• Calculate voltage, current, resistance and power from any two values
• Full-screen result with the formula and a circuit diagram
• Calculation history saved on your device
• Built-in reference for Ohm's law and power formulas
• Guided tutorial on first launch
• Colour themes, fonts and adjustable text size
• 12 languages
• Go Premium (yearly or lifetime) to remove ads