Skip to main content

Net Present Value Calculator

Net present value adds up the today-value of future cash flows and compares them with the up-front cost.

One value per period, separated by commas.

Calculated Result
$1,372.36$

Net Present Value

Net Present Value

$1,372.36

PV of Cash Flows

$11,372.36

Total Undiscounted

$15,000.00

Profitability Index

1.14

$1,372.36 — Positive NPV — accept

Calculation Breakdown

  1. Discount each cash flowPV = Σ CFₜ / (1 + r)ᵗNPV=−C0+∑t=1nCFt(1+r)tNPV = -C_0 + \sum_{t=1}^{n} \frac{CF_t}{(1+r)^t}

What Is the Net Present Value Calculator?

Net present value measures the value a project adds after discounting its cash flows.

How Does the Net Present Value Calculator Work?

Each cash flow is discounted to today and summed, then the initial cost is subtracted.

Net Present Value Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

NPV=−C0+∑t=1nCFt(1+r)tNPV = -C_0 + \sum_{t=1}^{n} \frac{CF_t}{(1+r)^t}

Each future cash flow is discounted by the rate for the number of periods until it is received.

How to Use the Net Present Value Calculator

  1. Enter the investment, discount rate and the cash flow for each period.

Step-by-Step Example Calculation

$10,000 invested, $3,000/year for 5 years at 10%

Input Values:

initialInvestment:10000
discountRate:10
cashFlows:3000,3000,3000,3000,3000
Worked Steps: A positive NPV indicates the investment is worthwhile.

Understanding Your Result

A positive NPV means the project adds value; negative means it destroys value.

Factors That Affect the Result

  • The discount rate, timing and size of cash flows all matter.

When Should You Use This Calculator?

  • Use it to compare capital projects or investment opportunities.

Assumptions & Limitations

  • Assumes end-of-period cash flows and a constant discount rate.

Frequently Asked Questions

Calculation Accuracy & Reference Note

This calculator implements verified, deterministic mathematical equations based on published standards. Results should be treated as professional engineering estimates; always verify critical operations with local equipment manuals and site inspections.

\n

Explore more tools and calculators in Finance Calculators