📈 Investment Growth Calculator
Project the future value of your investments with compound interest, regular contributions, and flexible compounding periods. Make data‑driven financial decisions.
Step 1: Principal & Terms
$
%
yrs
📘 Compound interest basics
The more frequent the compounding, the faster your money grows. Monthly compounding adds interest 12 times per year.
Step 2: Contributions & Timing
$
Per compounding period (monthly/quarterly etc.)
%
Increase your contribution by this % each year
📈 Power of regular contributions
Even small periodic additions can significantly boost your final balance thanks to dollar‑cost averaging and compound interest.
Investment Growth Projection
Summary
Key Figures
Year by Year
Future Value (after all years)
$15,423
Total contributions: $8,200 • Total interest: $7,223
Total Contributions
$8,200
Total Interest Earned
$7,223
Effective APY
7.23%
Final Balance
$15,423
Key Investment Metrics
Future Value
$15,423
after 10 years
Total Contributions
$8,200
money you put in
Total Interest
$7,223
earnings
APY (effective)
7.23%
annual equivalent
📊 Compound interest formula
Future value = contributions × (1+r/n)^(nt) + periodic contribution × ((1+r/n)^(nt)-1)/(r/n) adjusted for timing and annual increases.
Yearly Growth Breakdown
| Year | Start Balance | Contributions | Interest | End Balance |
|---|
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