Simple Interest Calculator

Calculate simple interest for loans or investments. Find total interest, final amount and daily rate.

📋 Data Entry

Principal Amount ($)

Interest Rate (%)

Period Unit

Period

📄 Result

Result

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⚠️ Results for informational purposes only. Consult a professional for financial decisions.

About this calculator

Simple interest is calculated only on the principal amount. Unlike compound interest, it does not accumulate on previously earned interest. Formula: I = P × r × t. It's commonly used for short-term loans, car loans, and some savings accounts.

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