Terms of use

You may use our calculators for personal and commercial decision support. You may not scrape, resell or redistribute the site at scale without written permission.

Results are estimates provided for general information. They are not financial, medical, engineering, legal or tax advice. Verify anything important with a qualified professional.

We work to keep formulas and conversion factors correct but make no warranty of accuracy or uninterrupted availability. Tools may change or be withdrawn.

To the extent permitted by law, we are not liable for losses arising from reliance on results produced by this site.