Formula to Calculate Present Value (PV)
The present value formula (PV) can be caclulated by dividing the future cash flow by one plus the discount rate raised to the number of periods. It is essential to understand the concept of present value that states that a sum of money today is worth much more than the same sum of money in the future.
where, PV = Present value
 C = Future cash flow
 r = Discount rate
 n = Number of periods
For a series of future cash flows with multiple timelines, the PV formula can be expressed as,
PV = C_{1} / (1 + r) ^{n}_{1} + C_{2} / (1 + r) ^{n}_{2} + C_{3} / (1 + r) ^{n}_{3} + ……. + C_{k} / (1 + r) ^{n}_{k}
Calculation of Present Value (Step by Step)
The calculation of PV Formula can be done by using the following steps:
 Step 1: Firstly, determine the future cash flows for each period which are then denoted by C_{i} where i varies from 1 to k.
 Step 2: Next, determine the discount rate or the specified rate at which the future cash flows have to be discounted. It is a very important factor and is decided either on the basis of the market trend or the risk appetite of the investor. The discount rate is denoted by r.
 Step 3: Next, determine the number of periods for each of the cash flows. It is denoted by n.
 Step 4: Next, calculate the present value for each cash flow by dividing the future cash flow (step 1) by one plus the discount rate (step 2) raised to the number of periods (step 3).

 PV_{i} = C_{i} / (1 + r) ^{n}_{i}
 Step 5: Finally, the PV of all the cash flows can be derived by adding all the respective present values calculated in the above step.

 PV = C_{1} / (1 + r) ^{n}_{1} + C_{2} / (1 + r) ^{n}_{2} + C_{3} / (1 + r) ^{n}_{3} + ……. + C_{k} / (1 + r) ^{n}_{k}
Examples
Example #1
Let us take the example of John who is expected to receive $1,000 after 4 years. Determine the present value of the sum today if the discount rate is 5%.
 Given, Future cash flow, C = $1,000
 Discount rate, r = 5%
 Number of periods, n = 4 years
Therefore, the present value of the sum can be calculated as,
PV = C / (1 + r) ^{n}
= $1,000 / (1 + 5%) ^{4}
Present Value will be –
PV = $822.70 ~ $823
Therefore, the present value of the $1,000 to be received after 4 years is $823.
Example #2
Let us take another example of a project having a life of 5 years with the following cash flow. Determine the present value of all the cash flows if the relevant discount rate is 6%.
 Cash flow for year 1: $400
 Cash flow for year 2: $500
 Cash flow for year 3 : $300
 Cash flow for year 4: $600
 Cash flow for year 5: $200
Given, Discount rate, r = 6%
Cash flow, C_{1} = $400 No. of period, n_{1} = 1
Cash flow, C_{2} = $500 No. of period, n_{2} = 2
Cash flow, C_{3} = $300 No. of period, n_{3} = 3
Cash flow, C_{4} = $600 No. of period, n_{4} = 4
Cash flow, C_{5} = $200 No. of period, n_{5} = 5
Therefore, calculation of present value of cash flow of year 1 can be done as,
PV of cash flow of year 1, PV_{1} = C_{1} / (1 + r) ^{n}_{1}
= $400 / (1 + 6%)^{1}
PV of cash flow of year 1 will be –
PV of cash flow of year 1 = $377.36
Similarly, we can calculate PV of cash flow of year 2 to 5
 PV of cash flow of year 2, PV_{2} = C_{2} / (1 + r) ^{n}_{2}
= $500 / (1 + 6%)^{2}
= $445.00
 PV of cash flow of year 3, PV_{3} = C_{3} / (1 + r) ^{n}_{3}
= $300 / (1 + 6%)^{3}
= $251.89
 PV of cash flow of year 4, PV_{4} = C_{4} / (1 + r) ^{n}_{4}
= $600 / (1 + 6%)^{4}
= $475.26
 PV of cash flow of year 5, PV_{5} = C_{5} / (1 + r) ^{n}_{5}
= $200 / (1 + 6%)^{5}
= $149.45
Therefore, the calculation of present value of the project cash flows is as follows,
PV = $377.36 + $445.00 + $251.89 + $475.26 + $149.45
PV = $1,698.95 ~ $1,699
Therefore, the present value of all the project cash flows is $1,699.
Relevance and Uses
The entire concept of the time value of money revolves around the same theory. Another exciting aspect of present value is the fact that the present value and the discount rate are reciprocal to each other, such that an increase in discount rate results in the lower present value of the future cash flows. Therefore, it is important to determine the discount rate appropriately as it is the key to a correct valuation of the future cash flows.
Recommended Articles
This has been a guide to the Present Value Formula. Here we discuss the calculation of the present value using its formula along with examples and downloadable excel template. You can learn more about financial analysis from the following articles –
 Standard Error Formula Examples
 Examples of Gain with Calculation
 Formula of Present Value Factor
 Formula of Net Present Value
 Calculate Present Value of an Annuity
 PV vs NPV – Compare
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