Calculators & Value Evaluators

This section contains interactive calculators for resistor colour codes, ohms law, potential dividers and more, designed to simplify common calculations and teach basic electronic theory.

Be sure to bookmark EE Student Help and check back soon, as new pages are added frequently.

Note: All results are rounded to 3 decimal places. Multiplier suffixes such as M for meg, u for micro etc. are appended to the results and shown in the results boxes where appropriate.




Capacitance Unit Converter

Capacitor Charge / Energy Calculator

Capacitor Code Calculator

Inductor Code Calculator - Colours to Value

Inductor Code Calculator - Value to Colours



L / C Reactance Calculator

LED Series Resistor Calculator

Series/Parallel Array of LED's Current Limiting Resistor Calculator

Ohms Law Calculator

Potential Divider Calculator

Power (Wattage) Calculator

Series / Parallel Capacitor Calculator

Series / Parallel Resistor Calculator

Wheatstone Bridge Calculator



Resistor Colour Code Calculator