Terms

These calculators are free estimating tools. Results are not professional engineering advice and must be checked against approved plans, specifications, and governing standards.

You may use the tools for job-site estimating, takeoff checks, and training. Do not rely on a calculator result as the sole basis for ordering materials, bidding, or construction. The owner may change formulas, units, or pages to fix errors.

The site is provided as-is. There is no warranty of fitness for a particular project. See the Disclaimer page for the estimating limitation of use.