| Year | Future Lump Sum | Present Value | Cumulative PV of Cash Flows | Total Present Value |
|---|
Estimate what a future amount or future cash flow stream is worth today using a discount rate and time horizon.
| Year | Future Lump Sum | Present Value | Cumulative PV of Cash Flows | Total Present Value |
|---|
Present value estimates what future money is worth today after applying a discount rate. The further away the cash arrives and the higher the discount rate, the lower its present value tends to be.
The discount rate is the rate used to bring future money back to today. A higher discount rate reduces present value because it assumes a greater opportunity cost, risk adjustment, or required return.
| Discount Rate | Effect on Present Value |
|---|---|
| 2% | Higher present value |
| 5% | Moderate present value |
| 10% | Lower present value |
A single future lump sum and a stream of future payments behave differently under discounting. Recurring cash flows can materially raise total present value, especially when payments arrive earlier and more frequently.
Inflation does not directly calculate present value here, but it helps compare what future money may be worth in purchasing power terms. That comparison is useful because a nominal future amount may buy less than expected over time.