Disclaimer
Last updated: October 2026
The information, calculators, and articles on SiteCals are provided for general informational and planning purposes only. Please read this disclaimer carefully before relying on anything you find here.
Estimates, Not Engineering
Every calculator on SiteCals produces an estimate — a starting point for planning, budgeting, and material ordering. Calculator outputs are not engineering calculations, structural analyses, or certified takeoffs. They do not carry any professional stamp, seal, or endorsement, and they must never be presented as such.
Verify With a Licensed Professional
Before you purchase materials, begin construction, sign a contract, or make any financial decision based on our calculators:
- Have critical numbers reviewed by a licensed contractor, engineer, or architect.
- Confirm quantities against manufacturer specifications and product data sheets.
- Account for job-site realities our calculators cannot see: soil conditions, existing structure, access constraints, weather, and installation methods.
Building Codes Vary by Jurisdiction
Construction requirements — structural spans, footing depths, electrical loads, insulation values, egress, setbacks, and permits — differ by country, state, county, and municipality, and they change over time. Nothing on SiteCals should be treated as code-compliant guidance for your location. Always check with your local building department and follow the codes and permit requirements that apply to your project.
Costs Are Approximate
Where calculators or articles mention prices, those figures are rough, general indications — not quotes. Material and labor costs vary widely by region, supplier, season, and project complexity. Get written quotes from local suppliers and contractors for your actual project.
Advertising and External Links
SiteCals is free to use and supported by advertising. Ads and links to third-party websites are provided for convenience; we do not endorse, guarantee, or assume responsibility for third-party products, services, or content. Any transaction or interaction you have with an advertiser or external site is solely between you and that party — please review their terms and privacy policies before engaging.
Units and Conversions
Our calculators accept both metric and imperial inputs and convert between systems using standard conversion factors. Converted values are rounded for display, which can introduce small rounding differences (typically fractions of a percent). For precision-critical work, verify converted figures independently and work in a single unit system end to end where possible.
Safety-Critical Work
Some calculations touch on safety-critical systems — structural loads, electrical sizing, gas, and anything involving life safety. For these, our calculators are a planning aid only. Final designs and installations must be performed or verified by appropriately licensed professionals and inspected per local requirements. When in doubt, hire the pro — no online calculator replaces qualified oversight on work that can hurt people or property if done wrong.
No Warranty on Accuracy
We work hard to keep our formulas and content accurate (see our Editorial Policy), but we make no warranty — express or implied — that any calculator result, article, or figure on this site is complete, current, or error-free. Construction math depends on assumptions, and assumptions don’t always match your job site.
Your Responsibility
You use SiteCals at your own risk. Decisions about design, materials, methods, safety, and code compliance are yours — ideally made together with qualified professionals. SiteCals is not liable for project outcomes resulting from reliance on this site’s content. See our Terms & Conditions for the full limitation of liability.
Questions or Corrections
Found something that looks wrong? Tell us through the Contact page — accuracy reports get our fastest response.