SolveItByTechCalculators

Compound Interest Calculator

Popular

Simulate exponential interest compounding across monthly, quarterly, and annual intervals

₹
₹ 5,000₹ 1,00,00,000
%
Years
₹
₹ 0₹ 1,00,000
Calculation Result
Final Future Value
₹1,48,985
Loading visualization...
Total Deposited
₹1,00,000
Compound Interest
₹48,985

How this calculator works

1

Enter principal and annual interest rate.

2

Choose the compounding schedule: Annually, Semi-Annually, Quarterly, Monthly, or Daily.

3

Optionally add recurring monthly deposits to see accelerated exponential growth.

Formula & Mathematics

Compound Interest Formula
A = P(1 + r/n)ⁿᵗ

Where A is the final amount, P is the principal, r is annual interest rate, n is compounding frequency per year, and t is time in years.

Worked Example

₹1,00,000 at 10% Compounded Monthly for 5 Years

P = ₹1,00,000, r = 10%, n = 12, t = 5 years.

• A = 1,00,000 × (1 + 0.10/12)⁶⁰ = ₹1,64,530.89
• Interest earned = ₹64,531
Total value is ₹1,64,531, yielding ₹64,531 in interest.

Frequently Asked Questions

The Rule of 72 is a quick way to estimate doubling time: Divide 72 by the annual interest rate (e.g., at 8%, your money doubles in ~9 years).

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