Electrical Circuit
Calculator Suite
Precision tools for voltage dividers, resistor color codes, series/parallel networks, capacitor banks, and transformer coil design — with built-in safety threshold analysis.
Available Tools
Calculator Library
Voltage Divider
Resistance Calculator
Calculate R1 and R2 values for a voltage divider network. Includes power dissipation limits, safety margins, and standard resistor value matching.
Resistor Color Code
4 / 5 / 6 Band Decoder
Decode and encode resistor color bands for 4-band, 5-band, and 6-band resistors. Calculates resistance value, tolerance, and temperature coefficient.
Series Resistors
Network Calculator
Calculate total equivalent resistance for resistors in series. Supports up to 8 resistors with individual power dissipation per component.
Parallel Resistors
Network Calculator
Calculate equivalent resistance for parallel resistor networks. Current distribution analysis with max current per branch.
Capacitor Networks
Series & Parallel
Calculate equivalent capacitance for series and parallel capacitor configurations. Voltage distribution across series capacitors with safety limits.
Transformer Coil
Turns Ratio & Impedance
Calculate transformer turns ratio, secondary voltage/current, and impedance transformation. Core saturation and efficiency estimates included.