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Interest Calculator

Calculate simple and compound interest on your investments

Investment Details

Principal Amount

Annual Interest Rate

Time Period

years

Interest Type

Simple Interest

Compound Interest

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Enter investment details to see your interest calculation

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Simple Interest: Interest calculated only on the principal amount. Formula: I = P × R × T

Compound Interest: Interest calculated on principal plus previously earned interest. Formula: A = P(1 + r/n)^(nt)