Last Reviewed: May 2026
By accessing or using figurenerd.com, you agree to these Terms of Use. If you do not agree, please do not use the site. These terms apply to all visitors and users of the site.
FigureNerd is a free calculator and educational tool published by Hadassah Enterprises Incorporated. The site provides calculators and Field Guide articles covering topics including HVAC-R, real estate, tax estimation, personal finance, and construction. No signup, account creation, or email address is required to use the tools.
This disclaimer applies to all calculators, Field Guide articles, and any other content published on figurenerd.com. Calculator outputs are estimates based on the inputs you provide and the methodology documented on each calculator page. Actual results in your specific situation may vary. Consult a licensed CPA, financial advisor, attorney, HVAC contractor, or other qualified professional before making decisions based on any calculator output.
FigureNerd is free to use. No signup is required. You may use the calculators and read the content for personal, informational, and educational purposes. You agree not to:
We reserve the right to block access to users or systems that violate these terms.
All site content, including but not limited to: written copy, calculator designs and logic, Field Guide articles, design elements, the FigureNerd character, the Problem Turd character, and associated artwork, are copyright Hadassah Enterprises Incorporated. All rights reserved.
The FigureNerd name and branding are trademarks of Hadassah Enterprises Incorporated. You may not use the name or brand assets without written permission.
FigureNerd calculators cite and link to third-party authoritative sources including IRS publications, EPA guidance, ASHRAE standards, government databases, and other primary references. These sources retain their own copyrights. Links to third-party sites do not imply endorsement. We are not responsible for the accuracy or availability of third-party content.
FigureNerd is provided "as is" without warranties of any kind, express or implied. Hadassah Enterprises Incorporated makes no representations or warranties regarding the accuracy, completeness, or fitness for any particular purpose of the calculator outputs or content.
To the fullest extent permitted by law, Hadassah Enterprises Incorporated is not liable for any direct, indirect, incidental, consequential, or special damages arising from your use of figurenerd.com or any decisions made based on calculator outputs. This includes but is not limited to tax decisions, financial decisions, construction decisions, HVAC sizing decisions, real estate decisions, and legal decisions.
Use a licensed professional for financial, legal, tax, mechanical, or construction decisions. FigureNerd calculators are starting points for your thinking, not substitutes for professional advice.
You agree to indemnify, defend, and hold harmless Hadassah Enterprises Incorporated and its operators, agents, and contractors from any claims, damages, losses, or expenses (including reasonable attorneys' fees) arising from your use of the site, your violation of these terms, or any decisions you make based on content from figurenerd.com.
These Terms of Use are governed by the laws of the State of North Dakota, without regard to its conflict-of-law principles. Any disputes arising from these terms or your use of figurenerd.com will be resolved in the appropriate courts of North Dakota.
We may update these Terms of Use from time to time. When we do, we will revise the effective date at the top of this page. Continued use of figurenerd.com after any update constitutes your acceptance of the revised terms.
Questions? Use the contact form at /about. We aim to respond within 5 business days.