Contact Us
We aim to reply within 2 business days.
Found a number that looks off? Want a material preset added (rip-rap, topsoil, recycled concrete…)? Have a partnership or advertising question? We'd like to hear from you.
Email: [email protected]
Subject line tip: include the panel and conversion you're asking about, e.g. "Panel 1 — wet sand ton/yd³ factor". It gets you a faster answer.
Privacy note: this site stores nothing you type into it — there's nothing to attach or remove. Please don't send confidential project data; we don't need it to help.
What to include for conversion questions
- The panel and fields involved (e.g., "PSI ↔ Bar ↔ MPa").
- The value you entered and the result you saw.
- The result you expected, with a source if you have one.
Corrections policy
If you can point to a published density or conversion factor that disagrees with ours, send the reference and we'll review it promptly. Verified corrections ship fast — the whole tool is a single factor table.