Best apps like Watts - A power converter

10+ similar apps compared and reviewed

4.3 avg rating
8 free apps
Updated August 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

Ohm's Law Calculator#1

Ohm's Law Calculator by Phan Nhat Đang

Power, Volts, Amps, Ohm : Calc
Editor's Choice
🔧 Utilities
5.0(2 ratings)
FreeAdsIn-App Purchases
Ohm's Law Calculator screenshot 1
Ohm's Law Calculator screenshot 2

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.

Electrical Calculator Plus#2

Electrical Calculator Plus by Calc Hub, LLC

by Inch Calculator
Strong Contender
🔧 Utilities
4.4(15 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.

Electric PRO#3

Electric PRO by Nic Kolbe

Electrical Converter
Worth Considering
🔧 Utilities
4.2(5 ratings)
$0.99
Electric PRO screenshot 1
Electric PRO screenshot 2
Electric PRO screenshot 3

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.

More apps like Watts

4
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Volt,Current,Power,Resistance
Free

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.

Calculate Voltage, Current, Resistance, PowerSupports Ohm's Law & Watt's LawBeginner-friendly interface
🔧 Utilities
(52)
free with in-app purchases
5
Watts Amps Volts Calculator
Watts Amps Volts Calculator
Watts Amps Volts Calculator
Volts/Watts/Amps Calculator
$1.99

This tool simplifies electrical calculations for power, current, and voltage. It's designed for professionals, hobbyists, and students to quickly and accurately manage electrical projects.

Power (Watts) CalculationCurrent (Amps) CalculationVoltage (Volts) Calculation
🔧 Utilities
(2)
paid
6
Solar Calculator The Original
Solar Calculator The Original
Solar Calculator The Original
by Josean Maya
Free

Calculate essential components for solar power systems. Determine battery backup needs in Ampere-hours, required voltage, and the minimum number of solar panels. Also includes a load calculator to estimate power consumption per hour.

Battery backup AH calculationRequired voltage calculationMinimum solar panels needed
🔧 Utilities
(6)
ad-supported
7
Power Conversion Calc
Power Conversion Calc
Power Conversion Calc
by Southwire Company
Free
🔧 Utilities
(0)
8
Transformer Calculator.
Transformer Calculator.
Transformer Calculator.
primary / secondary
Free

This app simplifies transformer calculations for engineers and students. It accurately computes primary and secondary currents, turns ratios, and secondary voltages based on user inputs for transformer ratings and winding turns.

Primary and secondary current calculationsTurns ratio determinationTransformer type identification
🔧 Utilities
(47)
free with in-app purchases
9
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
(570)
free with in-app purchases
10
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
(1.3K)
free with in-app purchases