Best The Ohms Law Calculator Apps

Calculate VoltageCalculate CurrentCalculate Resistance

This utility app calculates voltage, current, resistance, and power using Ohm's Law. Simply input any two values, and the app will compute the remaining two, providing a comprehensive tool for electrical calculations.

Power, Volts, Amps, Ohm : Calc

Calculate Voltage, Current, Resistance, PowerAutomatic calculation of remaining valuesSupports multiple units (kV, V, mV, A, mA, Ω, kΩ, MΩ, W, kW, MW, hp, BTU/hr)

Easily calculate electrical values like voltage, current, resistance, and power. Input any two known values, and the app will automatically compute the rest. Supports various units for precise calculations.

free with in-app purchases

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The Ohms Law Calc

Simple Ohms Law Calculator

🔍 Reference

ibOhm's Law - Calculator

Electric Power Finder

Ohm's Law & Power Law Calculator

by Cressall Resistors Ltd

Ohm's Law calculationsPower Law calculationsLock and unlock parameters

This app calculates electrical parameters based on Ohm's and power laws. Input any two values (voltage, current, resistance, or power) and the app will automatically compute the remaining two. It allows for continuous "what-if" scenarios by locking one parameter and recalculating others.

PIER: Ohm's Law Calculator

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free

Electrical Reference App

$1.99

This app simplifies electrical calculations for voltage, current, resistance, and power. It features an interactive Ohm's Law wheel to aid learning and provides both simplified and precise answer values with copy functionality. A metric toolbar helps manage prefixes efficiently.

Ohm's Law wheel for formula learningCalculate voltage, current, resistance, and powerSimplified and precise answer display

Basic Electronic Calculator

(4)

paid

by Gergely Nagy

Voltage calculationCurrent calculationResistance calculation

Calculate voltage, current, resistance, and electric power. Input any two values to automatically determine the missing ones. Supports both normal and scientific notation for calculated results.

ConduitLab: NEC Calculator

(2)

free

NEC Voltage Drop & Fill Calc

Ampacity calculations with deratingVoltage drop calculations2D conduit fill visualizer

This app provides professional NEC electrical calculations for electricians and engineers. It features ampacity, voltage drop, and conduit fill calculations, with a unique 2D visualizer to see conductor layouts. Generate inspector-ready PDF reports for documentation and record-keeping.

free with in-app purchases

(3)

Ohms Law Calculator - voltage

Resistor Calculator & Ohms Law

Resistor Color Band Calculator

Ohmly: Electrical Calculator

Ohm's law, AWG, SMD & more

Electronic Calculator: Amperio

Ohm Law,Resistor,Circuit Calc

Ohm's Law CalculatorResistor Color Code DecoderVoltage Divider Calculator

$3.99 | 100% OFF

This app provides instant, accurate calculations for electronics students and engineers. It includes tools for Ohm's Law, resistor color codes, voltage dividers, and unit conversions. Designed for ease of use and offline functionality, it offers a professional-grade experience without ads.

Electrical Calculator Plus

(1)

paid

by Inch Calculator

26 electrical calculatorsOhm's Law calculatorCurrent and power calculators (DC/AC)

This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.

Electromagnetics Calculator

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ad-supported

by DANIEL PATRICK MCNEIL

Capacity Calculator & Code

Conduit fill calculations for various types and sizesJunction box fill analysisVoltage drop calculator

This app provides professional electricians with a suite of tools for electrical calculations, including conduit fill, junction box fill, and voltage drop. It offers detailed breakdowns, code references, and offline functionality for job site reliability. Generate PDF reports for documentation and inspections.

Master Electrician - Code AI

(3)

freemium

AI Code Lookup & Calculators

AI-powered code question answeringElectrical installation compliance scanningProfessional electrical calculators

This app acts as an AI-powered code expert for electricians, providing instant, cited answers to code questions and analyzing electrical installations for compliance. It includes a suite of essential calculators and a quick reference library for on-the-job use.

🔍 Reference

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free with in-app purchases

Desired Resistance Calculator

by Ekrem Nurdag

$1.99

This tool helps you find the closest standard resistor value by combining two standard resistors in series or parallel. It supports E12 and E24 resistor series for precise calculations.

Calculates series resistor combinationsCalculates parallel resistor combinationsSupports E12 resistor series

📊 Productivity