Best Power Grid Calculator Apps

Power Calculator

by Power Continuity Limited

Free

This app provides a straightforward calculator designed for the electrical industry, offering tools for power and lighting calculations. It helps users determine generator and UPS requirements, convert units, and calculate fuel consumption. Suitable for both professionals and casual users needing electrical calculations.

Blackout Math.Power Calculator

Calculate your power needs

Free

This app helps you accurately calculate power outage durations and battery performance. It factors in real-world conditions like battery discharge, inverter efficiency, and device consumption to provide realistic estimates for runtime and charging.

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.

Desmos Scientific Calculator

by Desmos

Free

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

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.

Power Calculators & Converters

Useful for power generators.

Free

This application provides accurate calculations and conversions for various power units, including watts and horsepower. It's designed for professionals and students needing to simplify complex energy and power calculations for generators and devices.

Electrical & Solar Calculator

Wire, Solar & Motor Tools

Free

This app provides a suite of tools for electricians, engineers, and solar installers to quickly solve common electrical design and installation problems. It covers wire sizing, voltage drop, circuit breaker sizing, motor calculations, and solar system planning.

kVA Calculator

kVA kW Amps Power Factor Volts

Free

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.

Electrical Engineering - lite

60 calculations with circuits

Free

This app offers a comprehensive suite of electrical calculations and conversions for professionals and students. It handles diverse units and provides precise results for various electrical engineering tasks, including voltage, current, power, and more.

Electrical Power Calculator

Electrical Calculator

$2.99

This app provides precise mathematical and scientific calculations for various needs. It helps users calculate generator and UPS requirements, convert lumens to watts, and estimate generator fuel consumption. It's designed for students, professionals, and anyone needing accurate computations.

Dakota's Electrical Calculator

Voltage Drop, Conduit & Wire

Free

This app provides electricians and apprentices with essential tools for on-the-job tracking and NEC-aligned calculations. It helps with circuit analysis, load calculations, conduit fill, motor and transformer computations, and voltage drop assessments for field use and exam preparation.

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.