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🔭 Future Value Calculator

Project the future value of a lump sum investment or a series of regular contributions. Choose your compounding frequency and see how time and rate of return affect your wealth.

Future Value Formulas

Lump Sum

FV = P × (1 + r/n)^(n×t)

Annuity (Regular Contributions)

FV = PMT × ((1 + r/n)^(n×t) − 1) / (r/n)
P = Principal r = Annual rate n = Periods/year t = Years

Real-World Example

$5,000 at 8% per year, monthly compounding, for 10 years:

n = 12, t = 10, r = 0.08
FV = 5,000 × (1 + 0.08/12)^(12×10)
Future Value = $11,098
Interest Earned = $6,098
'How does compounding frequency affect future value?', 'answer' => 'More frequent compounding means interest is calculated and added to the principal more often, which leads to slightly higher future values. Monthly compounding yields more than quarterly, which yields more than annual. The difference grows larger with higher interest rates and longer time horizons.'], ['question' => 'What is the Rule of 72?', 'answer' => 'The Rule of 72 is a shortcut to estimate how long it takes to double your money. Divide 72 by the annual interest rate. For example, at 8% per year your money doubles in about 72 ÷ 8 = 9 years.'], ['question' => 'What is the difference between FV and PV?', 'answer' => 'Future Value (FV) tells you what a current sum will be worth later, while Present Value (PV) tells you what a future sum is worth today after discounting. They are the inverse of each other and use the same core formula rearranged.'], ]" />

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