Allows users to calculate electrical values with tools like Power, Delta-Wye, AWG, Voltage Drop, Ampacity, THD, Resistor Code, and LED Info. Users input component values to get results. The supports dark and light themes.
by B&K Precision Corporation★ 5.07 ratingsEducationFreeData updated 2026-09-06
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
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.
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.
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.
Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.
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.
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.
Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
ElecKit provides tools for calculations. Users can calculate resistor values with 4/5 band codes and tolerance. It includes Ohm’s Law functions for voltage, current, resistance, and power.
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.
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.
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 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.
Electrohelper allows users to access reference information on electronic components and circuits. It includes tools for calculating various filter types such as Butterworth, Sallen-Key, Chebychev, and Bessel.
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.