Fill any two of voltage, current, resistance — the rest solve, plus power.
The Mixadù Ohm's Law is a free online calculator that fill any two of voltage, current, resistance — the rest solve, plus power. It runs entirely in your browser — no sign-up, no uploads, and your inputs never leave your device.
- Instant results as you type
- Free — no login or sign-up
- Private: runs entirely in your browser
- Part of the 91-tool Engineering Toolkit
Frequently asked questions
Is the Ohm's Law free?
Yes. The Ohm's Law is completely free, with no login or sign-up.
Are my inputs uploaded anywhere?
No. The Ohm's Law runs entirely in your browser; your inputs never leave your device.
Does the Ohm's Law work on mobile?
Yes. It is fully responsive and works on phones and tablets.