Compound Interest Calculator
Calculate how an investment grows over time with compound interest, with a full year-by-year breakdown.
How to use this calculator
Enter the principal, annual interest rate, duration, and how often interest compounds. The calculator uses A = P × (1 + r/n)^(n×t), where P is principal, r is the annual rate, n is the compounding frequency per year, and t is time in years. The table below shows the balance and interest earned at the end of each year.
Related Tools
Related Blog Posts
Simple Interest vs Compound Interest: How Your Money Actually Grows
The difference between simple and compound interest, why compounding accelerates over time, and how to calculate both.
Read moreHow to Calculate GST in India — Step by Step
A practical walkthrough of GST calculation for invoices and purchases, including current slab rates and common mistakes to avoid.
Read moreHow to Calculate Home Loan EMI and Reduce Total Interest
How EMI is calculated, why early payments are mostly interest, and practical strategies to reduce the total interest you pay.
Read more