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.
Showing 21–40 of 1,000 ranked alternatives.
V PUGAZHENTHI
Calculate values instantly
Perform calculations including resistor color code analysis, transformer voltage and current computations, and voltage, current, resistance, and power determinations. Include upgraded voltage drop calculations compliant with NEC/IEEE standards.
Prysmian S.p.A.
Calculate conduit size per National Code.
The app calculates minimum conduit size per National Electrical Code. It supports multiple code years, conductor types, and insulation options, providing results for total area, nipple size, and minimum conduit size.
Prysmian S.p.A.
Calculate conductor ampacities quickly and easily.
The app calculates conductor ampacities based on NEC® code selections for 2011, 2014, and 2017. It allows users to choose metric or standard conductors, copper or aluminum material, and temperature ratings of 60°C, 75°C, and 90°C.
Prysmian S.p.A.
Calculate and conductor size
Calculate to determine maximum circuit distance and minimum conductor size. Input parameters to find required conductor size, actual loss, maximum allowable loss, and maximum amps. Use NEC® table T310.15 (B) (16) 75°C ratings for amperage values.
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.
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.
Thomas VanSlambrouck
Wire subwoofers, calculate cone area, suggest amplifier
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.
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.
Calculated Industries, Inc.
Try before you buy with free trial
Calculate measurements in feet, inches, and fractions. Convert between units and perform complex calculations. Store frequently used values and recall previous entries. Adjust for slope and pitch. Export results to email or cloud storage.
Cerro Wire LLC
Calculate conduit size for copper and aluminum
Calculate conduit size for copper and aluminum building wire based on NEC standards. Determine maximum conductors in a raceway or required raceway size for given conductor types and sizes.
Snappy Appz Inc.
Calculate transformers on the fly
Allows users to perform electrical calculations for sizing, overcurrent, wire, and conduit. It supports 2017 NEC and 2021 CEC codes for US and Canada.
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.
Pro Certs Software Ltd
Calculate power, current, resistance, voltage.
The app calculates voltage, current, resistance, and power. Users input any two values to determine the remaining two using Ohm's Law formulas.
Calculated Industries, Inc.
Calculate hours, costs, and units
Allows users to perform improvement calculations and unit conversions. It includes 440 calculations for hours, cost estimates, and takeoff quantities. Users can save and email results. Inputs and outputs are available in decimals or fractions.
Nic Kolbe
Convert units, calculate power, track energy metrics
Convert electrical units including Ampere, Volt, Watt, Ohm, Siemens, Joule, and Second. Calculate duration of energy, peak voltage, and terminal voltage. Adjust number formats for precise results. Perform complex electrical calculations with ease.
Alan Cave
Access code sections and requirements
Access NEC code sections for electrical installations. Search by topic or keyword. View diagrams and tables. Save and annotate code excerpts. Share references via email or messaging.
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