Contact Units-Calc

Report an incorrect result, suggest a useful calculator, ask a privacy question or share feedback about the website. Clear examples help us investigate issues more accurately.

Incorrect result

Include the calculator name, all values entered, selected units and the result you expected.

Technical issue

Tell us what happened, which device or browser you used and whether an error message appeared.

Tool suggestion

Describe the calculation, who would use it and which inputs and outputs would be most useful.

Privacy request

Use the privacy topic for questions, rights requests or concerns about personal information.

Send a message

Fields marked required are required.

Name

Email address

Topic

Page or calculator URL (optional)

Paste the page address where you found the problem.

Message

Do not include passwords, payment details, medical records or other sensitive information.

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We use the details submitted here to read and respond to your message, investigate reported problems and improve the website. For more information about retention, service providers and your rights, read the Privacy Policy.

Submitting the form does not subscribe you to marketing emails.

Before contacting us

Check that the correct units and journey or billing options were selected.
Refresh the page and try the calculation again.
Include exact values so the issue can be reproduced.
Use official or professional advice for medical, legal, financial or safety-critical decisions.

Response expectations

Units-Calc is independently maintained. Messages are reviewed when possible, but a reply or a particular response time cannot be guaranteed. Clear reports about reproducible calculation errors are prioritised.

This contact form is not monitored as an emergency, medical, legal or financial support service.

Privacy question?

Select “Privacy or data rights request” in the form. The Privacy Policy explains how contact messages, analytics and advertising data may be processed.

Read the Privacy Policy

Contact questions

Can you give me personalised medical or financial advice?

No. Units-Calc provides general-purpose estimates and educational explanations. Contact an appropriately qualified professional for advice about your circumstances.

What information helps with an incorrect-result report?

Include the page address, all inputs, selected units or options, the result shown, the result you expected and—where possible—the formula or source used for comparison.

Will I receive promotional emails?

The contact form is intended for responding to enquiries and handling feedback. It does not sign you up to a marketing list.