Compound Interest Calculator – Calculate CI Online Free
Calculate compound interest and compare it against simple interest. Choose your compounding frequency — daily, monthly, quarterly, or annually — and see how your money grows.
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About Compound Interest Calculator
Calculate compound interest and compare it against simple interest. Choose your compounding frequency — daily, monthly, quarterly, or annually — and see how your money grows.
Frequently Asked Questions
What is compound interest?
Compound interest means you earn interest not just on your principal, but also on the interest you've already earned. This creates exponential growth over time.
What is the compound interest formula?
A = P × (1 + r/n)^(n×t), where P = principal, r = annual rate, n = compounding periods per year, t = time in years.
How much more is compound vs simple interest?
On ₹1 lakh at 10% for 10 years: Simple Interest = ₹1 lakh. Compound Interest = ₹1.59 lakh. The difference grows dramatically over time.
Is this free?
Yes, completely free. No signup needed.