Calculate compound interest with various compounding frequencies and optional monthly contributions
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Albert Einstein allegedly called compound interest the 'eighth wonder of the world.' Our calculator shows you exactly how your money can grow over time with different compounding frequencies and regular contributions.
Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods. Unlike simple interest, compound interest grows exponentially over time, making it a powerful tool for long-term savings and investments.
Compound Interest Formula
A = P(1 + r/n)^(nt)See exactly how much you'll have at the end of the period.
Include regular deposits in your calculations.
Calculate with monthly, quarterly, or annual compounding.
Project the growth of your pension fund.
Calculate returns from bank accounts.
Estimate returns from funds and stocks.
Understand the impact of time on investments.
More frequent compounding (daily vs. annually) results in slightly higher returns because interest is calculated and added to your principal more often, creating a larger base for future interest.