PIER: Ohm's Law Calculator

PIER: Ohm's Law Calculator is a fast, accurate electronics calculator for everyday circuit work. Enter any two known values to instantly solve for voltage, current, resistance, and power. Smart unit prefixes and conversions keep results consistent across V, A, Ω, and W, minimizing errors in labs and on-site. Ideal for students, hobbyists, and electricians who need a reliable, offline tool with a clean, productivity-focused interface and quick sharing. Core functions include instant Ohm’s Law solving for V, I, R, P, automatic unit handling with m, k, M prefixes, and a lightweight workflow for circuit design and troubleshooting. Perfect for electronics study, repair, and high-efficiency field calculations.