Terms of Use

By using this site, you agree to use it lawfully and understand that its information and tools are provided for general education only.

No professional or operational advice

The site does not provide legal, accounting, tax, audit, engineering, aviation, maintenance, fuel, hazardous-material, dangerous-goods, procurement, security, environmental, workplace-safety or other professional advice.

No inventory system or record of authority

Calculator results are not purchase orders, stock records, audit evidence, approvals, serviceability determinations, transport documents, disposal authorizations or guarantees. Your organization’s authorized system and procedures remain controlling.

User responsibility

You are responsible for checking inputs, units, dates, statuses, open transactions, local requirements and professional advice before acting.

Availability and changes

The site may change, remove or correct content without notice. Access may be interrupted, and no result is guaranteed to remain available.

Acceptable use

Do not attempt to interfere with the site, misuse automated access, upload malicious content, or rely on the site to process confidential or sensitive inventory data.