Future Value Calculator
Calculate what a lump sum today will be worth in the future.
Enter your numbers and select Calculate to see results.
About This Calculator
This calculator computes the future value of a single lump-sum investment, showing how much it will grow to given an interest rate, time period, and compounding frequency — the foundational calculation behind most investment growth projections.
How This Is Calculated
FV = PV × (1 + r/n)^(nt)
- FV
- — Future value
- PV
- — Present value (lump sum)
- r
- — Annual interest rate (decimal)
- n
- — Compounding periods per year
- t
- — Time in years
$15,000 at 6%, compounded monthly for 15 years, grows to about $36,900.
Assumptions
- Assumes a fixed rate of return and a single lump-sum investment with no additional contributions.
Frequently Asked Questions
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Last updated January 15, 2026. Results are estimates for informational purposes only — read our disclaimer.