Best Power Grid Calculator Apps

ClevCalc - Calculator

All-In-One Calculator

Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Calculator ∞

The Best Scientific Calculator

$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

GraphNCalc83

Graphing calculator

$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Southwire® Voltage Drop Calc

Southwire Calculator

Free

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

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.

National Grid

by National Grid plc

Free

Securely manage your utility account on the go. Access billing, schedule payments, and report outages with ease. Biometric login provides quick and secure access to your account information and support.

Watts Amps Volts Calculator

Electrical power calculator

Free

This app serves as an advanced electrical power calculator. It allows users to easily compute and convert between Watts, Amps, and Volts for single-phase systems, and kW, Amps, Volts, and Power Factor for three-phase systems. Simply input known values to find the missing one.

PCalc Lite

The Best Calculator

Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Fault Current Calculator

by Cooper Bussmann, LLC

Free

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

Energy Cost Calculator

count your CO2 emission

Free

Easily calculate the energy consumption and operating costs of electrical devices. Track daily, monthly, and yearly usage, analyze costs, and estimate carbon emissions to optimize power usage and save money.

Big Button Calculator Pro Lite

Easy Basic Calculator

Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Calculator Air: AI Math Solver

Basic, Scientific & Photo Math

Free

Solve math problems instantly with a powerful AI-driven calculator. Features include basic and scientific calculations, a photo math solver, and an AI homework helper for step-by-step explanations. Ideal for students and professionals needing quick, accurate math solutions.

Ohms Law

Ohms Law Calculator

Free

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.

kVA Calculator

kVA kW Amps Power Factor Volts

Free

$0.99 | 100% OFF

Easily calculate and convert electrical values like kVA, kW, Amps, Volts, and Power Factor. Supports both single and three-phase calculations for engineers working with power systems.

PowerOne calculator

Finance, scientific, and more

Free

This app offers a powerful calculator with hundreds of pre-built templates for finance, engineering, and more. Users can also create custom calculations for specific needs, ensuring accuracy and speed for repetitive tasks. Access your calculations across devices, online or offline.

Ohm's Law & Power Law Calculator

by Cressall Resistors Ltd

Free

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.

Basic Electronic Calculator

by Gergely Nagy

Free

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.