Electronics Calculators
Tools for circuit analysis and design.
From Ohm's Law to voltage drops, our electronics calculators are designed for hobbyists, students, and professionals alike. Simplify complex circuit analysis, estimate appliance energy costs, and decode resistor color codes with ease. These tools provide the accuracy you need for your electronics projects.
Ohm's Law Calculator
Solve for voltage, current, resistance, or power in an electrical circuit using Ohm's Law.
Electricity Calculator
Estimate the electricity consumption and cost of your home appliances based on their power rating and usage.
Voltage Drop Calculator
Calculate the voltage drop in a circuit to ensure your components receive the correct power.
Resistor Color Code Calculator
Determine the value and tolerance of a resistor by selecting its color bands with this interactive tool.