Fast, browser-based calculation
The calculator performs the core calculation in your browser. No account is required. Date and time results are calculated locally for quick use.
Simple Interest Calculator
Calculate simple interest and total amount from principal, annual rate and time.
140
40 simple interest · principal 100 · 8% for 5 years
Results are arithmetic estimates based on the values entered. Financial results are not financial advice and do not include fees, taxes or changing rates unless entered.
Use the result immediately
Use the result for planning, forms, schedules, projects and everyday calculations. For official deadlines, holidays, rates or destination-specific requirements, verify the authoritative source.
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