The ROI Calculator is a free online tool that lets you return on investment — helping you plan loans, savings and investments with instant, accurate numbers. Everything runs locally in your browser, so it is fast, completely private, and works even when you are offline.
Whether you are planning a loan, SIP or budget, the ROI Calculator gives you instant results with no installation, no account and no limits.
Yes. The ROI Calculator is completely free with no sign-up, no usage limits and no watermarks. Use it as many times as you like.
Absolutely. The ROI Calculator processes everything inside your browser — your input is never uploaded to any server, so your data stays 100% private.
Amounts are shown with the ₹ symbol and Indian number formatting (lakh/crore), but the maths works for any currency — just read the figures in your own.
No installation needed. The ROI Calculator works in any modern browser on desktop, tablet and mobile.
It helps you return on investment quickly and accurately, with a clean interface and one-click copy or download of the result.