Contact Us

Questions about an estimate, a formula discrepancy, or a calculator suggestion? We review all inquiries.

Send Us a Message

Use the form below or email us directly at hello@concretecalculator.xyz. We review all technical inquiries and aim to respond within 24–48 business hours.

Prefer email? Reach us directly at hello@concretecalculator.xyz.

Reporting a Calculation Discrepancy

We take formula accuracy seriously. If you notice a calculation that does not match your project specifications or local supplier yield, please include:

  • The exact calculator page URL
  • Your input measurements (length, width, thickness, units)
  • The result displayed vs. your hand calculation or supplier quote
  • The manufacturer data sheet or technical standard (e.g. ACI, ASTM)

Editorial Standards

Learn about how our formulas are sourced, tested, and updated in our Editorial & Corrections Policy.