Terms of Use

These terms govern the use of MicroCoulomb, a free site of electrical unit converters. The results are theoretical and given for information only, not as engineering or wiring advice. By using the site you agree to use it for lawful, personal or professional reference, and to follow the National Electrical Code for real installations.

What the service is

MicroCoulomb provides converters and calculators for electrical units. Formulas and constants are shown on each page, with sources listed on the how we calculate page. The tools are provided as they are, without a guarantee that they are error-free. Details about who runs the site are on the about microcoulomb page.

Use of the results

You may use the results for study, estimating and reference. Do not rely on them alone to size breakers, wire, fuses or protective devices. Electrical installations must follow the National Electrical Code and be done by a licensed electrician.

Content you send

Comments may be published, shortened or rejected. You confirm that you have the right to share what you send and that it does not infringe the rights of others. See the privacy policy for how data is handled.

Prohibited use

Do not use the site to harass others, to impersonate anyone, or to interfere with the service.

Marks and liability

Names of standards, organizations and products belong to their owners, and MicroCoulomb has no affiliation with them. To the extent allowed by law we are not liable for loss caused by relying on a result. Questions go through the contact form.

Frequently asked questions

Is MicroCoulomb free?

Yes. The converters are free and need no sign-up.

Can I use the results for wiring?

Only as an estimate. Final decisions belong to the code and a licensed electrician.

Who owns the content?

The pages are written by the MicroCoulomb editors. Names of standards and products belong to their owners.