Compound interest calculator
Calculate compound interest: final value, interest earned and capital growth. Free calculator with monthly, quarterly and yearly compounding.
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Current for 2026How we verify data: Methodology →
Time value of money calculator — FV & PV
Find out how much your investment will be worth in the future (FV) or what a future sum is worth today (PV). Choose compounding frequency for accuracy.
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How we calculate time value of money
FV = PV × (1 + r/n)^(n×t), where r = annual rate, n = compounding periods per year, t = years. For PV mode we reverse: PV = FV / (1 + r/n)^(n×t).
Example: PLN 10,000 for 10 years at 5%
Investing PLN 10,000 for 10 years at 5% p.a. with monthly compounding yields approx. PLN 16,470. Gain: PLN 6,470.
Frequently asked questions
Results are educational estimates. Does not account for inflation, tax, or fees. Not investment advice.
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ResultPLN 16,470.09Future value
- Gain
- PLN 6,470.09
- Growth (%)
- 64.7