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Free, fast, and accurate financial calculators. Plan loans, mortgages, investments, retirement, taxes, and more — all in one place.
More launching weekly
Unlimited & private
Just open & use
Calculators
Five premium tools today. New calculators ship every week — bookmark this page.
Why us
Every calculator uses the exact formulas banks, AMCs and the GST Council use — no approximations, no shortcuts.
Static-rendered pages, instant client-side calculations, no API calls, no waiting. Built for Core Web Vitals.
All calculations run in your browser. We never store your loan amounts, salaries or investment details.