01 Acceptance of Terms
By accessing Rigging Calculators, you agree to these Terms of Use. If you do not agree, do not use this site.
Last updated: 2026-09-17
By accessing Rigging Calculators, you agree to these Terms of Use. If you do not agree, do not use this site.
This site provides reference calculators and specification charts for rigging and lifting equipment based on published standards (ASME B30.9, ASME B30.26, ISO 2408, EN 818-2, EN 1492-1) and publicly available manufacturer data.
The tools are provided for preliminary sizing and reference only. They do not constitute engineering advice, a lift plan, or a substitute for the judgment of a qualified rigger or engineer.
You may use the calculators freely for commercial and non-commercial purposes. You may not scrape the site in bulk, misrepresent results as certified engineering output, or use the site in violation of applicable law.
The site design, code, and original content are the property of the site operator. Standards data remains the property of the respective standards bodies; manufacturer data remains the property of the respective manufacturers. "Crosby" is a trademark of The Crosby Group, LLC; this site is not affiliated with or endorsed by Crosby.
To the maximum extent permitted by law, we accept no liability for any loss, damage, injury, or death arising from use of or reliance on this site. Rigging and lifting operations are inherently dangerous and must be planned and supervised by qualified personnel.
We may update these terms at any time. Continued use after changes constitutes acceptance. Questions: sales@riggingcalculators.com.
We connect you with vetted manufacturers. No spam, no obligation.