Ohm’s Law Calculator – A Free Online Calculator for Circuits January 18, 2026October 28, 2025 by SuryaLeave the unknown field blank. Voltage (V) Current (A) Resistance (Ω) Waiting for input… CopyFormula: V = I × R Ohm’s LawRelated Posts Resistor Color Code Calculator Ohm’s Law Calculator – A Free Online Calculator for Circuits