Best Wattage Calculation Tool Apps

Generac PWRview

Monitor your Generac system!

Free

Monitor your home's energy production and consumption in real-time. Track solar generation, battery capacity, and daily energy usage to understand your system's performance and potential savings.

Ductulator - Duct Calculator

HVAC Airflow Sizing & Design

Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

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.

Discount Power

The Discount Power Texas App

Free

Manage your electricity account with ease. Access billing, payment history, and usage data. Set up AutoPay, Average Billing, and Paperless Billing. View plan details and compare usage trends.

EnerTalk - Energy Monitor

by Encored Technologies, Inc.

Free

Monitor your home's real-time electricity usage and spending directly from your smartphone. Visualize daily and monthly patterns, estimate your bills, and receive personalized saving tips. Supports multiple properties without requiring new hardware.

Calculator of Air

Psychrometric Charts Tool

Free

This tool calculates humidity-related air properties with a calculator-like interface. It supports six key parameters and provides accurate results even under extreme conditions. Ideal for HVAC, cleanrooms, and industrial drying.

Measure Master Pro Calculator

Design + Building Math Calc

Free

This app provides comprehensive U.S. and metric unit conversions and advanced calculations for design and building projects. It offers solutions for geometry, weight, and dimensional analysis, with a user-friendly interface and built-in help.

ElectriCalc Pro

Electrician NEC Calculator

Free

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.

Voltage Drop Calculator.

Wire Size, NEC & IEC Tools

Free

Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.

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.

Super Calculator - useful tool

units currency converter app

Free

This app offers advanced scientific calculations, real-time currency exchange rates, and comprehensive unit conversions. Customize your experience with various themes and decimal place settings for precise results.

Electrical Calculator

Ohm's Law, Voltage Drop, Wire

$3.99

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

Ratio Calculator Total Tool

Back Calculation from Total

Free

This free utility app calculates ratios and totals from given inputs. It can also perform back calculations to determine ratios from a total. It even helps calculate heating time based on microwave wattage.

Electrical Formulator

by Historycentral.com

Free

This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.

Grundfos Energy Check Tool

by Grundfos Holding A/S

Free

This tool helps assess the energy-saving potential of installed pumps by collecting data like flow, head, and power. It supports life cycle cost analysis to inform decisions about pump replacement or new solutions, providing factual documentation.