Terms of Service

Effective July 18, 2026

Planning information only

Calculators and articles provide general educational estimates. They are not bids, warranties, engineering designs, code determinations, or professional advice.

Your responsibility

Verify measurements, prices, permits, site conditions, and applicable regulations. Structural, electrical, plumbing, waterproofing, and life-safety decisions should be reviewed by qualified local professionals.

No guarantee

Actual project quantities and costs can differ materially from calculator output. Use of this website is at your own risk and the service is provided without guarantees of accuracy or fitness for a particular project.

Acceptable use

Do not attempt to disrupt the website, bypass security, or use its content in a misleading or unlawful manner.