Net present value (NPV) represents the difference between the present value of cash inflows and outflows over a set time period. Knowing how to calculate net present value can be useful when choosing ...

Net present value and the profitability index are helpful tools that allow investors and companies make decisions about where to allocate their money for the best return. Net present value tells us ...

NPV calculates profitability using all projected cash inflows and outflows, considering time value of money. A positive NPV suggests a profitable project; a negative NPV suggests a loss. NPV's ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

To find an investment's interest rate, substitute price, face value, and duration into a formula. For T-bills, subtract purchase price from face value, divide by face value, adjust for term. Online ...