You can also use a rental property calculator to help you calculate the ROI. • Net Operating Income (NOI): The net operating income or NOI represents how profitable your investment is.

Net worth is the value of your assets, which is basically everything you own, such as your retirement savings and real estate, minus your liabilities — the total of everything you owe.

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 ...