Get in touch with MixDesignCalc.co.uk about calculator feedback, correction requests, technical issues and site enquiries.
MixDesignCalc.co.uk provides UK-focused calculators and educational content for concrete, steel, reinforcement, aggregates, materials, construction unit conversions and project cost planning. We welcome useful feedback from builders, contractors, students, homeowners, estimators, engineers, suppliers and general users.
You can use this page to report a calculator issue, suggest a new tool, request a correction, ask a general website question, or contact us about advertising and partnerships. We aim to respond to genuine enquiries within 2–3 working days, although complex technical reviews may take longer.
For general questions about the website, calculators, resources or page corrections.
Typically 2–3 working daysIf a calculator result appears incorrect, include the page URL, entered values, expected result and actual result.
Reviewed as a priorityTell us which UK construction calculator, conversion tool, cost estimator or guide would be useful.
Suggestions are reviewed regularlyFor relevant advertising, sponsorship or partnership enquiries related to UK construction content.
Typically 2–4 working daysMany calculator pages include guidance, examples and FAQs below the tool. You may find your answer faster by checking the relevant calculator page first.
We welcome practical feedback that helps improve the website and make calculators more useful for UK users. The best messages include a specific page URL, clear details and any values entered into the calculator.
| Enquiry Type | Typical Response Time | Best Contact Method | What to Include |
|---|---|---|---|
| Calculator error report | 1–3 working days | support@mixdesigncalc.co.uk | Page URL, input values, actual result and expected result. |
| General enquiry | 2–3 working days | support@mixdesigncalc.co.uk | Clear subject and message. |
| Content correction | 2–5 working days | support@mixdesigncalc.co.uk | Page URL and correction details. |
| New calculator suggestion | 3–7 working days | support@mixdesigncalc.co.uk | Suggested inputs, outputs and use case. |
| Advertising or partnership | 2–5 working days | support@mixdesigncalc.co.uk | Company name, proposal and relevant page/category. |
| Privacy request | As soon as reasonably possible | support@mixdesigncalc.co.uk | Your request and the email address used to contact us. |
Response times are estimates for normal UK working days. We do not provide emergency construction advice, same-day structural advice or project approval through this contact page.
Yes. Our calculator pages are available to use without registration. They are intended for general estimating, planning and educational purposes. Results should still be checked against project specifications, supplier data and professional advice where needed.
No. MixDesignCalc.co.uk does not provide structural engineering consultancy, design certificates, Building Control submissions or project sign-off. For structural work, contact a qualified engineer or relevant professional.
Please send the page URL, calculator name, input values, result shown and the result you expected. This helps us reproduce the issue and review whether the formula, default value or page explanation needs correction.
Yes. We welcome suggestions for UK construction calculators, cost estimators, materials tools and unit converters. Helpful suggestions include the exact calculation needed, inputs, outputs and the type of user who would benefit.
No. Any cost figures on the website are estimates or examples. You should request current written quotes from local suppliers, contractors or merchants before ordering materials or setting a project budget.
Yes, you can link to our public pages. Please do not copy full pages, republish calculator code or frame our tools on another website without written permission.
If you find inaccurate, outdated or unclear information, contact us with the page URL and the issue. We will review genuine correction requests and update pages where appropriate.
Please use support@mixdesigncalc.co.uk for all enquiries. Use a clear subject line such as “Calculator Correction Request”, “New Calculator Suggestion” or “Privacy Request”.