Compound Interest Calculator
Calculate compound interest for investments and savings. Plan your financial future with accurate compound interest calculations.
Compound Interest Calculator
Calculate compound interest for investments and savings. Plan your financial future with accurate compound interest calculations.
📊 Inputs
₽
%
years
₽
Optional regular monthly contribution
Future Value
1 004 831 ₽
Total Contributions
500 000 ₽
Total Interest
504 831 ₽
📈 Breakdown
Initial Amount:
500 000 ₽
500 000 ₽
Future Value from Principal:
1 004 831 ₽
1 004 831 ₽
Total Monthly Contributions:
0 ₽
0 ₽
Future Value from Contributions:
0 ₽
0 ₽
Interest Growth: 101.0%
📅 Year-by-Year Breakdown
| Year | Total Value | Contributed | Interest |
|---|---|---|---|
| 1 | 536 145 ₽ | 500 000 ₽ | 36 145 ₽ |
| 2 | 574 903 ₽ | 500 000 ₽ | 74 903 ₽ |
| 3 | 616 463 ₽ | 500 000 ₽ | 116 463 ₽ |
| 4 | 661 027 ₽ | 500 000 ₽ | 161 027 ₽ |
| 5 | 708 813 ₽ | 500 000 ₽ | 208 813 ₽ |
| 6 | 760 053 ₽ | 500 000 ₽ | 260 053 ₽ |
| 7 | 814 997 ₽ | 500 000 ₽ | 314 997 ₽ |
| 8 | 873 913 ₽ | 500 000 ₽ | 373 913 ₽ |
| 9 | 937 088 ₽ | 500 000 ₽ | 437 088 ₽ |
| 10 | 1 004 831 ₽ | 500 000 ₽ | 504 831 ₽ |
💡 How to Use
- Enter your initial investment amount
- Set the expected annual interest rate
- Choose how often interest compounds
- Add optional monthly contributions for better growth
🧮 Formula
Compound Interest:
Variables:
A = Future value of investment
P = Principal amount (initial investment)
r = Annual interest rate (decimal)
n = Number of times interest compounds per year
t = Time the money is invested (years)
A = P(1 + r/n)^(nt)Variables:
A = Future value of investment
P = Principal amount (initial investment)
r = Annual interest rate (decimal)
n = Number of times interest compounds per year
t = Time the money is invested (years)