calculators
Simple Interest Calculator
Calculate simple interest earned or charged on a principal amount over a specified time period.
Frequently Asked Questions
What is simple interest?
Simple interest = Principal × Rate × Time. Interest is calculated only on the original amount.
What is the formula?
Interest = P × r × t where P is principal, r is annual rate, t is time in years.
Is this financial advice?
No. These calculations are estimates for informational purposes only.