The cap rate calculator, alternatively called the capitalization rate calculator, is a tool for all who are interested in real estate.As the name suggests, it calculates the cap rate based on the value of the real estate property and the income from renting it.You can use it to decide whether a property's price is justified or to determine the selling price of a property you own. Which begs the question – what is a good cap rate for an investment property? As with any complex topic, the answer is that it depends. It’s important to remember that a property’s cap rate is simply its annual net operating income (NOI) divided by purchase price, and represents the unlevered annual return on the asset. Because one of the Use the cap rate to justify the income level of the investment property. If you know the cap rate of properties in the area of your investment property, you can use this information to determine how much net income …