Compound Interest Calculator
Project investment growth with a starting balance, monthly contributions, annual return and time horizon.
Projected balance
Calculation period: 120 months
$70,000.00
$55,869.35
Balance over time
Bₘ = Bₘ₋₁ × (1 + i) + Aₘ
B is the balance, i is the monthly rate (converted from an annual rate when selected), and Aₘ is the contribution added at the end of each selected contribution period.
This is a mathematical simulation. It does not include taxes, fees or inflation, and does not guarantee returns.
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