Simple & Compound Interest Calculator
Calculate simple or compound interest on savings, investments, or loans, free and instant.
Powered by AIVEXA
Calculate simple or compound interest on savings, investments, or loans, free and instant.
Powered by AIVEXA
This tool compares Simple Interest (SI = P × R × T / 100) against Compound Interest (A = P(1 + R/100)^T) side by side for the same principal, rate and tenure, showing exactly how much more compounding earns you over time — the core concept behind comparing fixed deposits, recurring deposits and most loan products.
The gap between simple and compound interest grows with both the interest rate and the time period: over 1–2 years the difference is small, but over 10–20 years compound interest can produce a noticeably larger corpus because each year's interest itself starts earning interest, unlike simple interest which is always calculated only on the original principal.
Most Indian savings accounts and fixed deposits pay compound interest, typically compounded quarterly. Simple interest is more common in short-term personal loans or certain post-office schemes — always check the compounding frequency stated in your account terms.
Yes. The same annual rate compounded quarterly yields slightly more than compounded yearly, because interest is added to the principal more often. This tool assumes annual compounding by default for a clean comparison.
Most AIVEXA tools run entirely in your browser (client-side), which means your files and inputs are processed on your own device and are not uploaded to a server.
Yes — it works on any modern browser (desktop, Android or iOS) without installing an app, and it's free to use with no signup or watermark.
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