LED resistor

Pick the series resistor for an LED from supply, Vf, and current.

Runs on your deviceFreeNo account

How to use LED resistor

Open LED resistor. Pick the series resistor for an LED from supply, Vf, and current. Set the options, then copy or download. Files and text stay on your device. Built for phones and desktops.

Pick the series resistor for an LED from supply, Vf, and current. Shows ohms and a nearest E12 value. Power in the resistor too. LED resistor on Omnipus runs in this tab with no upload. No account, watermark, or daily cap.

Also useful when searching for led resistor calculator, led current limiting resistor. All processing for this tool happens in your tab unless labeled otherwise.

Questions

Is LED resistor free?

Yes. No signup, watermark, or quota.

Do you upload my data?

No. This tool stays in your browser.

Will this work on my phone?

Yes. Controls stack, tap targets are large.

Related tools

More calculators that pair well with this one.