About
Free business calculators for practical decisions
Free Biz Tools provides browser-based calculators for entrepreneurs, small business owners, freelancers, ecommerce sellers, marketers, SaaS teams, investors, and people planning financial decisions.
The site is designed for quick planning and comparison. Calculators are free to use, require no signup, and are built to make assumptions visible instead of hiding the math behind a form.
Free access
The calculators can be used without an account, paywall, or email capture.
Browser-based
Calculator inputs are processed in your browser for quick estimates.
Regular updates
Pages are reviewed as calculator logic, categories, and reference assumptions change.