How To Calculate Present Value In Cost Benefit Analysis

Present value calculation in cost benefit analysis is crucial for evaluating the time value of money. It helps determine the current worth of future cash flows, enabling informed decision-making.

1. Enter the discount rate (%), number of years, and annual cash flows.
2. Click ‘Calculate’.
3. View the present value and a visual representation of the cash flows.

The formula for present value is: PV = CFt / (1 + r)^t, where CFt is the cash flow in year t, r is the discount rate, and t is the number of years.

Comparison of Present Value Calculations

Discount Rate	Number of Years	Annual Cash Flow	Present Value

• Use a consistent discount rate across all cash flows.
• Consider the risk profile of the project when choosing a discount rate.
• Regularly review and update your calculations as new information becomes available.

What is the discount rate?

The discount rate is the rate of return that could be earned on an investment in the financial markets with similar risk.

OMB Circular A-94 – Guidelines for the use of cost-effectiveness analysis in federal programs.

GAO Report: Cost-Benefit Analysis – Best practices for federal agencies.