Calculate electrical formulas on the go
Access formulae and tabulations for electrical calculations. View clear graphics and tables. Convert units automatically. Follow German and European standards. Input data for circuit analysis and system design.
Showing 1–20 of 1,000 ranked alternatives.
Rostyslav Dovhaliuk
Search datasheets and calculate resistor values
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Cyberprodigy LLC
Wire diagrams, pinouts, calculate electricity
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
IODEMA SRL
Lookup resistor values and color codes
Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.
iCertifi
Certify electrical systems on the go
Perform electrical inspections, testing, and certification offline. Create and save certificates without internet. Access BS7671 standards directly on iOS devices. Print or share certificates with a subscription.
Southwire Company
Calculate size and percentage
Calculate percentage and jam probability based on NEC standards. Input type, size, and conductor details. View percentages and determine appropriate sizes for electrical installations.
1BIGRIG Ltd
Access calculators, safety guides, and checklists
Provides calculators for circuit design and load calculations. Includes safety references for UK electrical standards and BS 7671. Features checklists for installation and inspection tasks.
CommScope, Inc.
Access technical data and manuals
Technicians can access safety guidelines, RF data, and calculation tools. View maintenance tips, troubleshoot issues, and learn about international TV formats. Explore specifications, fiber data, and packet transport details.
Armchair Engineering
Solve right-angled triangles
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
Calculated Industries, Inc.
Calculate and document electrical work safely
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.
Armchair Engineering
Solve right-angled triangles quickly
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic trigonometric formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
SAM SHEPPARD
Calculate voltage, current, and resistance
Calculate electrical values using Ohm’s Law and related formulas. Input voltage, current, or resistance to determine missing variables. Access circuit diagrams and safety guidelines. Convert units between volts, amps, and ohms.
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
Megger LTD
Electrical test equipment and measuring instruments.
The app offers a cable selection and volt drop calculator for electrical contractors. It supports installations up to 25KW and 100A, including various cable types and reference methods.
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
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