Contact

Need to report an issue, suggest a unit, ask about a category, or send general feedback? Use the support email below.

General support

For general questions about the website, supported units, language behavior, theme settings, or saved preferences, contact the support inbox.

Because rulerunit is a static client-side site, email is the primary support channel.

Report a conversion issue

When reporting a conversion issue, include the category, source unit, target unit, input value, displayed result, and expected result if you have one.

For standards-sensitive work, include the measurement standard or regional definition you are using.

Business and content questions

You can also use the contact email for collaboration, content, localization, or deployment questions related to rulerunit.

Please avoid sending sensitive personal, financial, medical, or confidential technical information unless it is strictly necessary.