Simple Interest Calculator
Calculate simple interest on a deposit or loan. Enter principal, rate, and time for instant results.
How to Use the Simple Interest Calculator
- Enter the required financial values such as amount, rate, or term.
- Adjust additional parameters if available (e.g., down payment, fees).
- The result updates automatically as you type.
- Review the calculated figures including breakdowns and totals.
快速参考
| 从 | 到 |
|---|---|
| $1,000 · 5% · 1yr | $1,050 |
| $5,000 · 4% · 3yr | $5,624 |
| $10,000 · 6% · 5yr | $13,382 |
| $10,000 · 3% · 10yr | $13,439 |
| $25,000 · 5% · 10yr | $40,722 |
| $50,000 · 7% · 20yr | $193,484 |
使用场景
- •Evaluating different loan or mortgage options before making a decision.
- •Planning a monthly budget with accurate payment projections.
- •Estimating long-term investment growth or retirement savings.
- •Comparing interest rates and total costs across financial products.
公式
Formula: I = P × r × t, where P is the principal, r is the annual rate (as a decimal), t is the time in years. Total = P + I.
常见问题
What is simple interest?
Simple interest is calculated only on the original principal. Unlike compound interest, the interest does not get reinvested.
What is the difference between simple and compound interest?
With simple interest, earnings are based solely on the principal. With compound interest, you also earn interest on previously accumulated interest, resulting in higher returns.
Where is simple interest used?
Simple interest is commonly used in short-term loans, auto loans, and certain types of bonds.