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Present Value Calculator

Calculate the present value of a future lump sum and future payments using a discount rate and number of periods. See today's worth of tomorrow's money.

$27,481.64
Present value
$50,000.00
Total future amount

Assumes a constant discount rate per period. Keep the rate and period consistent (e.g. a monthly rate with a number of months). Estimates only, not financial advice.

What is the Present Value Calculator?

The ByteTools Present Value Calculator tells you what future money is worth today. Enter a future lump sum, an optional recurring payment per period, the discount rate per period and the number of periods, and it discounts them back to a single present value using the standard time-value-of-money formulas.

  • Present value of a future lump sum and recurring payments
  • Uses the standard PV and annuity discounting formulas
  • Choose payments at period end or start
  • Shows the total future amount alongside its present value
  • Any currency symbol, calculated locally
  • Private and free; constant-rate estimate, not advice

How to use the Present Value Calculator

  1. 1

    Select your currency and enter the future lump sum.

  2. 2

    Optionally enter a recurring future payment per period.

  3. 3

    Enter the discount rate per period as a percentage.

  4. 4

    Enter the number of periods.

  5. 5

    Read the present value of the lump sum and any payments combined.

About the Present Value Calculator

The ByteTools Present Value Calculator tells you what future money is worth today. Enter a future lump sum, an optional recurring payment per period, the discount rate per period and the number of periods, and it discounts them back to a single present value using the standard time-value-of-money formulas.

It is useful for investors comparing offers, students learning discounting and anyone valuing a stream of future cash. Because a dollar today is worth more than a dollar later, present value lets you compare amounts that arrive at different times on a fair basis.

All math runs locally in your browser with nothing uploaded, so your figures stay private. Results assume a constant discount rate and are estimates for planning only, not financial advice.

Frequently asked questions

What is present value?

Present value is what an amount of future money is worth today, given a discount rate. It uses PV = FV ÷ (1 + r)^n for a lump sum, where r is the rate per period and n is the number of periods. Money in the future is worth less today because it could otherwise be earning a return.

How does the discount rate affect present value?

A higher discount rate lowers the present value, because future money is being reduced more heavily to reflect a greater opportunity cost or risk. A lower rate keeps more of the future value intact. Choosing the right rate is the key judgement in any present-value calculation.

What is the present value of an annuity?

It is today's worth of a series of equal future payments. Each payment is discounted back by the number of periods until it arrives, then summed. This calculator handles that automatically when you enter a recurring payment alongside or instead of a lump sum.

Why is present value useful?

It lets you compare cash flows that occur at different times on an equal footing, which is essential for valuing investments, loans and offers. Discounting everything to today reveals which option is genuinely worth more once timing is taken into account.

Are my figures private?

Yes. All calculations run in your browser and nothing is uploaded or stored, so your amounts and rates stay completely private.

Guides for Present Value Calculator

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