Compound interest calculator
Enter your starting amount, the rate and the length of time: watch your savings grow year after year.
Result
1,647.01Final amount
- Total paid in
- 1,000.00
- Interest earned
- 647.01
Year by year
Detailed table
| Year | Paid in | Interest | Total |
|---|---|---|---|
| 1 | 1,000.00 | 51.16 | 1,051.16 |
| 2 | 1,000.00 | 104.94 | 1,104.94 |
| 3 | 1,000.00 | 161.47 | 1,161.47 |
| 4 | 1,000.00 | 220.90 | 1,220.90 |
| 5 | 1,000.00 | 283.36 | 1,283.36 |
| 6 | 1,000.00 | 349.02 | 1,349.02 |
| 7 | 1,000.00 | 418.04 | 1,418.04 |
| 8 | 1,000.00 | 490.59 | 1,490.59 |
| 9 | 1,000.00 | 566.85 | 1,566.85 |
| 10 | 1,000.00 | 647.01 | 1,647.01 |
How it is calculated
- Each period, the balance is multiplied by (1 + rate ÷ periods per year).
- The yearly deposit is added at the end of each year, after that year’s interest.
Example
1,000 at 5% a year, interest added once a year for 2 years: 1,000 × 1.05² = 1,102.50.
Good to know
- Fixed rate, no tax or fees. Real products may differ.
- This is not investment advice.
Frequently asked questions
What is this tool used for?
Enter your starting amount, the rate and the length of time: watch your savings grow year after year.
How is the result calculated?
Each period, the balance is multiplied by (1 + rate ÷ periods per year).
What should I check before using the result?
Fixed rate, no tax or fees. Real products may differ.