Time Value of Money Calculator
Calculate future value, present value, and payment amounts using core TVM formulas. Understand why a dollar today is worth more than a dollar tomorrow.
Financial Disclaimer
This calculator is for educational purposes only and does not constitute financial advice. Results are estimates based on the inputs provided. Consult a qualified financial advisor before making investment or financial planning decisions.
Inputs
Results
Future Value ($)
$50,969.84
≈ 5 years of state college
How to Use This Calculator
- Enter the present value (current principal or lump sum amount).
- Set the annual interest rate and number of months.
- Enter a periodic payment (positive for deposits, negative for withdrawals).
- Set the compounding periods per year (12 for monthly compounding).
- Review the future value, present value of all payments, total interest earned, effective annual rate, and inflation-adjusted real future value.
How the result changes with Number of Months
| Number of Months | Future Value ($) |
|---|---|
| 60 | $27,442.51 |
| 210 | $102,509.22 |
| 390 | $309,730.97 |
| 540 | $698,998.15 |
What each input means
- Present Value ($)
- The current lump sum amount (principal).
- Annual Interest Rate (%)
- Annual interest or discount rate.
- Number of Months
- Total number of months (e.g., 120 = 10 years).
- Periodic Payment ($)
- Regular payment per compounding period. Positive = deposit, negative = withdrawal.
- Compounding Periods Per Year
- How often interest compounds: 1=annually, 4=quarterly, 12=monthly, 365=daily.
What each result means
- Future Value ($)
- Total value at the end of the period including all payments and interest.
- PV of Payments ($)
- Today's equivalent value of all future periodic payments.
- Total Payments ($)
- Sum of all periodic payments made over the entire period.
- Total Interest ($)
- Total interest earned (or paid) over the period.
- Effective Annual Rate (%)
- True annual yield accounting for compounding frequency.
- Real Future Value ($)
- Inflation-adjusted future value (assuming 3% annual inflation).
- Growth Multiplier
- How many times your initial principal grows (before payments).
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersPresent Value ($) = 10000, Annual Interest Rate (%) = 6, Number of Months = 120, Periodic Payment ($) = 200 = 5 input(s) provided
- Calculate Future ValueFuture Value = pvFutureValue + pmtFutureValue50969.84 = $50,969.84
- Calculate PV of Payments18014.69 = $18,014.69
- Calculate Total PaymentsTotal Payments = payment * n24000 = $24,000
Engine last updated . Checked against 1 independently-derived test — how we verify calculators.
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