Interest Calculator

Calculate simple interest earned on principal amount.

About This Calculator

Simple interest is calculated only on the principal amount, not on accumulated interest. This calculator helps you determine how much interest you'll earn on a principal amount over a specified time period at a given interest rate.

Principal Amount (USD)

Interest Rate (%)

Time Period (years)

Explore Other Financial Calculators

Mortgage Calculator Loan Calculator Auto Loan Calculator Amortization Calculator Salary Calculator Income Tax Calculator Sales Tax Calculator Compound Interest Calculator Interest Rate Calculator Investment Calculator Retirement Calculator Inflation Calculator Payment Calculator General Finance Calculator

Disclaimer: This calculator uses simple interest formula. For compound interest, use the Compound Interest Calculator.