For questions, feedback, or calculation corrections, email bhant11@gmail.com.
This link opens your email app. If no email app opens, copy the address into your preferred email service. There is no submission form on this page.
Reporting a calculation issue
When reporting an issue, the following information will help us reproduce it:
- The calculator page address.
- Your measurement system and the values entered.
- The result you received and the result you expected.
- A screenshot, with personal information removed.
- Your browser and device type.
Keep your information private
Do not include passwords, payment details, private plans, your full home address, or other sensitive information in an enquiry. Example dimensions are usually sufficient to explain a calculator issue.
Need an answer for an active project?
For structural safety, building regulations, installation requirements, or purchasing decisions, consult a qualified local professional or your material supplier. These calculators are not an emergency or professional advice service.