Best The Ohms Law Calc Apps

4.7😊(1.3K ratings)

FreeAdsIn-App Purchases

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

What We Love

🚀 Great value
🚀 Works perfectly
🚀 Fantastic app
👍 Best thing since sliced bread
🚀 Useful for electrical work
👍 Clean and pleasing interface
🚀 Terrific app

Room to Improve

👎 Have to pay again for an app already purchased
👎 Not easy to use
🐛 Paid but not unlocked, no response from developer
👎 Annoying pop-ups
🐛 Keeps shutting down
👎 Worst Ohms calculator ever
👎 Needs more work
👎 Incorrect Ohm's law formulas

Ohm's Law by Creature Code Mobile, LLC

Worth Considering

4.7😊(165 ratings)

FreeIn-App Purchases

This utility app calculates electrical resistance, voltage, and current using Ohm's Law. It provides a quick and easy way to solve electrical formulas for various applications.

What We Love

👍 Extremely user-friendly and intuitive interface
⚡ Fast and accurate calculations
🎯 Simple, focused design with no unnecessary clutter
💰 Free app with minimal ads that don't interfere
🔧 Requires only two values to calculate the rest
📱 Lightweight and always accessible
🙌 No in-app purchases or subscriptions required
✅ Reliable and consistent performance for most users
🎓 Helpful for learning and verification of calculations
🔌 Practical for multiple professional fields (electrical, vaping, HVAC, etc.)

Room to Improve

🐛 Crashes when entering decimal values in multiple fields
🐛 Reset function doesn't work properly after first use
⚠️ App incompatible with newer iOS versions
⚠️ Outdated and hasn't been updated since iOS 6
❌ Limited functionality - single resistor only
🔋 Suspicious cell data usage reported by some users
😞 Ads introduced in recent updates (controversial change)

More The Ohms Law Calc apps to explore

Ohms Law

Ohms Law Calculator

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.

Amps Ohms Watts Volts Calc

$2.99

Calculate electrical values like current, voltage, resistance, and power using Ohm's Law. Input any two known values to automatically determine the missing one. Ideal for electrical enthusiasts and professionals.

Calculate current, voltage, resistance, and powerInput any two known valuesAutomatic calculation of missing factor

This tool calculates Ohm's Law for single and three-phase applications using vector calculations for balanced and unbalanced loads. It quickly determines Watts, Volts, Amps, or Ohms, and can back-calculate load resistance. Widget support is included.

Single and three-phase calculationsVector calculations for unbalanced loadsCalculate Watts, Volts, Amps, or Ohms

An easy to use OHMS Law Calc.

$0.99

Ohm & Watt Law Electrical Calc

(0)

Volt,Current,Power,Resistance

Calculate Voltage, Current, Resistance, PowerSupports Ohm's Law & Watt's LawBeginner-friendly interface

This utility app quickly calculates voltage, current, resistance, and power using Ohm's and Watt's laws. It's designed for electricians, engineers, and students, offering instant, accurate results with a simple interface. Works offline and is ideal for field calculations or exam preparation.

(52)

Power, Volts, Amps, Ohm : Calc

Ohm's Law Calculator

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.

(2)

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.

This app helps you calculate voltage, current, resistance, and power. Simply input any two values, and the rest will be automatically computed with adjusted units. It supports a wide range of languages for global accessibility.

Calculate voltage, current, resistance, and powerAutomatic unit adjustmentInput any two values for instant calculation

📚 Education

(2)

Resistance Calculator: In Ohms

Resistor bands, Watt & Ohm Law

Decode resistor color codesSupports 3-6 band resistorsOhm's Law calculator

Instantly calculate resistor resistance values from color codes (3-6 bands). Includes Ohm's Law and Watt's Law calculators for voltage, current, and power. Ideal for electronics enthusiasts and professionals.

(9)

Solve electrical circuits.

Ohm's Law App

Ohm's Law: Circuit Calculator

(0)

Electrical Calculator & Solver

Voltage calculationCurrent calculationResistance calculation

This app simplifies electrical calculations by accurately computing voltage, current, resistance, and power. It offers a user-friendly interface and step-by-step explanations, making it ideal for students, engineers, and electricians to solve circuit problems efficiently.

Ohms Law Calculator - voltage

(1)

ad-supported

PIER: Ohm's Law Calculator

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

Electrician NEC Calculator

NEC compliant calculationsWire and conduit sizingVoltage drop calculations

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

(354)

Conduit Fill & Bending Calc

Box Fill, EMT Bend, Ampacity

16 NEC calculatorsNEC year-aware (2017-2026)Inspector citations on results

This professional calculator helps licensed electricians perform complex NEC code calculations for conduit fill, voltage drop, wire sizing, and more. It offers multiple NEC code years and provides inspector-ready PDF exports with project management features. Designed for offline use in the field.

(4)

HVAC & Sheet Metal Calculator

Construction Math & Trade Pro

Sheet metal calculations (radius, offset, wrapper length)Trigonometric functions (sine, cosine, tangent, arc)HVAC specific calculations (fan law, CFM, velocity)

This app provides advanced calculations for HVAC and sheet metal professionals. It simplifies complex dimensional math, geometry, and trigonometry with specialized functions for ducting, airflow, and construction layouts. Offers a free trial before committing to a subscription.

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