Calculator · Open source
Compound Interest Calculator
See the power of compound interest. Calculate how your money grows over time with regular contributions.
Methodology
Public formulas, updated regularly. Built for Canadians, by Canadians.
$10,000
$500
7.0%
20 years
Year-by-Year Growth
| Year | Balance | Contributions | Interest Earned |
|---|---|---|---|
| 1 | $16,919 | $16,000 | $919 |
| 2 | $24,339 | $22,000 | $2,339 |
| 3 | $32,294 | $28,000 | $4,294 |
| 4 | $40,825 | $34,000 | $6,825 |
| 5 | $49,973 | $40,000 | $9,973 |
| 6 | $59,782 | $46,000 | $13,782 |
| 7 | $70,299 | $52,000 | $18,299 |
| 8 | $81,578 | $58,000 | $23,578 |
| 9 | $93,671 | $64,000 | $29,671 |
| 10 | $106,639 | $70,000 | $36,639 |
| 11 | $120,544 | $76,000 | $44,544 |
| 12 | $135,455 | $82,000 | $53,455 |
| 13 | $151,443 | $88,000 | $63,443 |
| 14 | $168,587 | $94,000 | $74,587 |
| 15 | $186,971 | $100,000 | $86,971 |
| 16 | $206,683 | $106,000 | $100,683 |
| 17 | $227,820 | $112,000 | $115,820 |
| 18 | $250,486 | $118,000 | $132,486 |
| 19 | $274,790 | $124,000 | $150,790 |
| 20 | $300,851 | $130,000 | $170,851 |
Future Value
$300,851
After 20 years
Total Contributed
$130,000
Interest Earned
$170,851
43%
57%
ContributionsInterest Earned
Compound interest accelerates over time — the longer you invest, the more interest earns interest.