Compound Interest Calculator

Calculate compound interest for investments and savings. Plan your financial future with accurate compound interest calculations.

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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

16.077 €

Total Contributions

8.000 €

Total Interest

8.077 €

📈 Breakdown
Initial Amount:
8.000 €
Future Value from Principal:
16.077 €
Total Monthly Contributions:
0 €
Future Value from Contributions:
0 €
Interest Growth: 101.0%
📅 Year-by-Year Breakdown
YearTotal ValueContributedInterest
18.578 €8.000 €578 €
29.198 €8.000 €1.198 €
39.863 €8.000 €1.863 €
410.576 €8.000 €2.576 €
511.341 €8.000 €3.341 €
612.161 €8.000 €4.161 €
713.040 €8.000 €5.040 €
813.983 €8.000 €5.983 €
914.993 €8.000 €6.993 €
1016.077 €8.000 €8.077 €
💡 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:
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)