Compound Interest Calculator

Compound interest adds earned interest back to the balance so later periods can earn interest on previous interest. Formula: A = P(1 + r/n)^(nt); Interest = A − P

Principal Amount:

Annual Interest Rate (%):

Compounding Periods per Year:

Number of Years:

Result:

Calculate Compound Interest

Compound interest adds earned interest back to the balance so later periods can earn interest on previous interest.

Formula: A = P(1 + r/n)^(nt); Interest = A − P

Keep the interest rate, payment frequency and time period consistent. Fees, compounding rules, taxes and lender or issuer conventions can change a real-world result, so use the calculator as a calculation aid rather than a contract quote.

Recalculate the result from the displayed formula and confirm that rate, term, compounding and monetary amounts use the same time basis.

References:

Wikipedia Compound Interest

CONTINUOUS COMPOUNDING

How to take advantage of compound growth

Frequently Asked Questions FAQ

What does Compound Interest Calculator calculate?

Compound interest adds earned interest back to the balance so later periods can earn interest on previous interest.

What is the formula for Compound Interest Calculator?

The formula used by the calculator is: A = P(1 + r/n)^(nt); Interest = A − P

What inputs does Compound Interest Calculator need?

Enter principal, annual interest rate, compounding frequency and time in the units used by the formula.

How can I verify the Compound Interest Calculator result?

Recalculate the result from the displayed formula and confirm that rate, term, compounding and monetary amounts use the same time basis.

How should I round the Compound Interest Calculator result?

Keep full precision through intermediate steps and round the final currency, rate or percentage value according to the purpose of the calculation.

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