Calculate voltage drop for electrical circuits up to 600V. Input custom voltages and system parameters. Output detailed results including conductor size, length, and resistance. Assist in verifying electrical system performance and safety.
by Nebulous LLC★ 5.04 ratingsUtilitiesFreeData updated 2026-09-06
Calculate wire pull characteristics and generate NEC®
The includes multiple calculators for electrical wire pull calculations. Users can input parameters for voltage drop, ground wire sizing, ampacity adjustments, and phase wire attributes. Results are generated according to NEC® standards.
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.
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
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Calculate electrical values using . Input voltage, current, or resistance to find missing variables. Supports calculations for series and parallel circuits. Includes unit conversion for volts, amps, and ohms.
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
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Determine compatibility with your tank size. Calculate stocking levels to avoid overcrowding. Input tank dimensions and select species to receive compatibility and population recommendations.
Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.
Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.