Contact UTILITIES NEWBIE

Have a question, spotted a problem, or have an idea for a useful tool?

Send an email

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Report a calculation issue

Include the tool’s page address, the input value or expression, selected units or DEG/RAD mode, the result you received and the result you expected. A short explanation or reference helps us understand the issue.

Suggestions and accessibility

You can also suggest a conversion pair, ask about a formula or describe a keyboard, screen-reader or mobile usability problem. If relevant, include your browser and device type.

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Please avoid including passwords, payment information or other sensitive personal details. An email is handled by your email provider and the recipient’s email service; it is not processed by the calculator engine. See our privacy disclosure.