Simple Interest Calculator
Enter principal, annual rate and days to see simple interest and the total amount.
Interest$3,698.63
Total$53,698.63
How it is calculated
Interest = principal × rate × days ÷ (100 × 365).
Worked example
| Interest | $3,698.63 |
| Total | $53,698.63 |
FAQ
Simple vs compound?
Compound interest reinvests earned interest; simple interest does not.
Are the results exact?
Results are estimates for information only; check official sources for binding figures.