Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
by Calculated Industries, Inc.★ 4.9357 ratingsUtilitiesFreeData updated 2026-09-08
A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
Detects metal studs, nails, and screws in walls using magnetometer. Identifies hidden pipes, conduits, and rebar. Alerts for live electrical wiring via magnetic field detection. Provides visual indicators for detected objects.
Learn to rewind or recoil electric motors through step-by-step instructions. Explore terminology related to windings, configurations, and components. Access diagrams and detailed explanations of insulators and insulation papers.
Explore aircraft systems with interactive for the 737 NG. Manipulate components to observe system responses. Simulate emergencies and apply checklists to resolve issues.
Helps users calculate electrical values using Ohm's Law. It includes practical exercises and theoretical explanations. Users can explore basic electrical concepts and advanced topics with structured lessons and problem-solving tools.
Perform calculations and unit conversions for aviation tasks. Access over 100 calculators with equations and graphics. Save and retrieve calculation results. Convert units for fuel, distance, speed, and weight.
Calculate service demand loads compliant with NEC 220.42–220.82. Use Standard or Optional methods. Add dryers, ranges, fixed appliances, HVAC, and motors. Automatically determine largest heat or cool load.
Calculate metal weights with support for multiple metals, shapes, and units in both metric and imperial systems. Perform offline calculations without background processes. Save settings and favorite calculations.
Perform calculations and unit conversions with over 120 formulas. Save and retrieve calculation results. Add frequently used calculators to a favorites list. Email calculation inputs and outputs. Search for specific calculations or references.
Track magnetic fields and detect ferromagnetic metals
Detects magnetic fields and ferromagnetic metals using the iPhone's compass. Issues a warning beep when magnetic fields are present. Identifies devices emitting radio-frequency EMF such as plugs, cell phones, and routers.
Calculate payments with weekly, bi-weekly, and monthly options. Input taxes, insurance, and utilities. Estimate interest savings from higher payments. View amortization schedules. Save and compare multiple calculations. Sync to iCloud.
Calculate electrical series and parallel circuits.
The app calculates resistance, capacitance, and inductance in series and parallel circuits. It supports various units for each electrical property and performs calculations automatically when input values or units change.
Convert units across 19 categories including acceleration, angle, area, cooking, data storage, density, and energy. Switch between 150+ currencies. Perform calculations for conversions and exchanges. Share results via copy or email.