Ohm's Law Calculator
Solve voltage, current, resistance and power. Leave one field blank.
Enter any two values and leave the one you want to find blank.
Voltage (V)12 V
Current (A)3 A
Resistance (Ω)4 Ω
Power (W)36 W
कैसे उपयोग करें
Enter your values above and read the result instantly.
यह कैसे काम करता है
Everything is computed locally in your browser — nothing is uploaded.
अक्सर पूछे जाने वाले प्रश्न
Is it free?
Yes, completely free with no limits.
Is my data private?
Yes, all processing happens in your browser.