Free Calculator
300+ free online calculators. No signup, no paywall.
1 follower
300+ free online calculators. No signup, no paywall.
1 follower
Free Calculator offers 300 free calculators across 15 categories. We cover math, finance, health and fitness, conversions, everyday, career, home, developer and text tools, plus a 148-calculator professional and industry library, and electrical, mechanical, fluid flow, thermal and HVAC, and construction sections. Everything runs in your browser with no signup and no paywall. New: our AI section, developer MCP server, API docs, and 12 how-to guides.


Free
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Hey Product Hunt! We are launching Free Calculator, a collection of 300+ free calculators for everyday math and money. Mortgage payments, compound interest, BMI, tips, taxes, unit conversions, and 148 professional calculators for engineering and finance. No account or signup, results appear as you type, and everything works on any device. We also built a calculator API and MCP server for developers and AI assistants. Tell us which calculator we should add next.