Ohm's Law Calculator

Calculate voltage, current and resistance using Ohm's Law.

4.5(1,200 reviews)

👁 320K uses🏷️ Electrical

engineeringElectrical

⚡

Ohm's Law Calculator

Free

Enter any two values to calculate the others (V = IR)

Voltage (V)

Current (A)

Resistance (Ω)

About Ohm's Law Calculator

Calculate voltage, current and resistance using Ohm's Law.

Key Features

⚡

Instant Results

Get accurate results instantly with no signup required.

📱

Mobile Friendly

Works perfectly on all devices — desktop, tablet, and mobile.

🔒

Privacy First

All calculations happen in your browser. No data is stored.

Pros & Cons

✓ Pros

✓Free to use
✓No signup required
✓Instant results
✓Mobile friendly

Quick Stats

Overall Rating4.5/5.0

Total Reviews1,200

Monthly Uses320K

CategoryElectrical

PriceFree

Signup RequiredNo

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