Showing 21–40 of 1,000 ranked alternatives.
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.
Sam Virgillo
Calculate voltage, current, and power
Calculate voltage, current, and power in 3-phase delta and wye circuits. Determine conductor ampacity using NEC and CEC tables. Compute voltage drop based on length, size, current, and temperature.
PawEng, LLC
Answer daily questions and track your progress
Test knowledge of codes with daily quiz questions. Answer individual questions or complete as many as possible in one session. Includes 366 basic electrician-written questions for apprentices, journeymen, and masters.
Pro Certs Software Ltd
Calculate kVA, kW, and Amps
Calculate kVA, kW, Amps, Volts, and Power Factor using single or three-phase formulas. Input two values to determine the third. Convert between kVA, kW, and Amps. Supports UPS, generator, and transformer calculations.
Historycentral.com Inc
Complete electrical calculation tool for professionals.
The app provides over 100 electrical formulas for calculations and conversions. Users can save, print, or email results and access frequently used formulas.
Ashvin Kevadiya
Learn circuits, design wiring, and test systems
Learn theory with interactive lessons on voltage, current, resistance, and Ohm’s law. Explore detailed wiring diagrams and circuit schematics. Use built-in to calculate loads, analyze circuits, and simulate real-world wiring scenarios.
OCTAGON SEVEN LLC
Model systems to calculate
Models electrical distribution systems to calculate available . Users input system data to determine short circuit currents at various points. The assists in verifying if equipment like fuses and circuit breakers are properly rated.
TrothMatrix OPC Private Limited
Calculate voltage, current, resistance, and power
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Marcus Roskosch
Calculate, analyze, and design circuits
Calculate impedance and transmission line parameters. Analyze signal integrity and loss. Convert between frequency units. Simulate circuits. Calculate antenna parameters and resonance frequencies. Perform S-parameter calculations.
Electronial
Calculate resistor values by color
Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.
Kantaben Gorasiya
Calculate current, voltage, resistance, and more
Calculate current in parallel circuits, voltage in series circuits, and resistance in both series and parallel configurations. Use Ohm's Law, DC calculations, and LR filter tools.
Pro Certs Software Ltd
Access charts and
Access charts, tables, and calculators for quick . View and fill out forms, review technical guides, and check product safety recalls. Look up cable ratings and other industry-specific data instantly.
Logan Cox
Troubleshoot circuits and size wires
Provides electrical calculations and references for wire sizing, circuit troubleshooting, and NEC code lookups. Users can ask specific questions, receive instant answers, and access code references.
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