Best Watts alternatives: apps like Watts - A power converter

10+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated November 2026

Looking for something like Watts? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Watts

Electrical Calculator Plus#1

Electrical Calculator Plus by Calc Hub, LLC

by Inch Calculator
Editor's Choice
🔧 Utilities
4.5(38 ratings)
FreeAds
Electrical Calculator Plus screenshot 1
Electrical Calculator Plus screenshot 2
Electrical Calculator Plus screenshot 3
Electrical Calculator Plus screenshot 4
Electrical Calculator Plus screenshot 5
Electrical Calculator Plus screenshot 6

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.

Ohm & Watt Law Electrical Calc#2

Ohm & Watt Law Electrical Calc by TROTHMATRIX

Volt,Current,Power,Resistance
Strong Contender
🔧 Utilities
4.6(54 ratings)
FreeAdsIn-App Purchases
Ohm & Watt Law Electrical Calc screenshot 1
Ohm & Watt Law Electrical Calc screenshot 2
Ohm & Watt Law Electrical Calc screenshot 3
Ohm & Watt Law Electrical Calc screenshot 4
Ohm & Watt Law Electrical Calc screenshot 5
Ohm & Watt Law Electrical Calc screenshot 6

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.

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4
Ohm's Law Calculator
Ohm's Law Calculator
Ohm's Law Calculator
Power, Volts, Amps, Ohm : Calc
Free

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.

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)
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5
Electric PRO
Electric PRO
Electric PRO
Electrical Converter
Free

This utility app offers quick and accurate conversions for various electrical units. It provides insights into additional electrical calculations and allows for adjustable number formats for user convenience. Simplify complex electrical computations with this tool.

Electrical unit conversionAmpere, Volt, Watt, Ohm, Siemens, Joule, Second conversionAdditional electrical calculation insights
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(5)
paid
6
Electrical Calculator lite
Electrical Calculator lite
Electrical Calculator lite
60 Calculators & 16 Converters
Free

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

60+ Electrical Calculators16 Electrical Unit ConvertersOhm's Law Calculations
🔧 Utilities
(580)
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7
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

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.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
🔧 Utilities
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8
Wire Gauge & Size Calculator
Wire Gauge & Size Calculator
Wire Gauge & Size Calculator
AWG & mm² · Voltage Drop, Amps
Free

This utility app calculates the minimum wire size needed for electrical installations based on voltage, current, distance, and allowable voltage drop. It supports various units and wire materials, ensuring safe and efficient power distribution for diverse applications.

Calculates minimum wire gaugeSupports voltage drop percentageMultiple wire size units (AWG, mm, mm², inches)
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(13)
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9
Power Conversion Calc
Power Conversion Calc
Power Conversion Calc
by Southwire Company
Free
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(0)
10
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
NEC, Conduit, Voltage Drop
Free

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

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