Compound interest is interest calculated on the initial principal plus all accumulated interest from prior periods, allowing investment balances to grow exponentially over time.
Compound Interest · 2026
Compound Interest & Investment Growth Calculator 2026
Model exponential compound growth with regular deposits. Visualize future balance with charts and annual breakdown tables.
$60,000.00
+$2,000.00
10 years
8%
Compound Interest & Growth Calculator
Future Portfolio Value (FV)
$501,510.00
1.67x Capital Multiplier
Total Principal Contributed
$300,000.00
Total Compound Interest Earned
+$201,510.00
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Exponential Wealth Accumulation Chart
Initial PrincipalTotal ContributionsCompound Interest
Year 1$90K
Year 2$122.6K
Year 3$157.8K
Year 4$196K
Year 5$237.3K
Year 6$282.1K
Year 7$330.6K
Year 8$383.1K
Year 9$439.9K
Year 10$501.5K
Detailed Annual Growth Schedule
| Year | Beginning Balance | Yearly Additions | Interest Earned | Ending Balance |
|---|---|---|---|---|
| #1 | $60,000.00 | +$24,000.00 | +$6,046.00 | $90,046.00 |
| #2 | $90,046.00 | +$24,000.00 | +$8,539.00 | $122,585.00 |
| #3 | $122,585.00 | +$24,000.00 | +$11,241.00 | $157,826.00 |
| #4 | $157,826.00 | +$24,000.00 | +$14,165.00 | $195,991.00 |
| #5 | $195,991.00 | +$24,000.00 | +$17,333.00 | $237,324.00 |
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