How much can you afford each month for a mortgage? Should you rent or buy? Real estate calculators are a good way to help determine those answers. But remember that using these online calculators are only a start. Having an experienced mortgage professional should be your final step in making your final decision. Complete the fields below and click Calculate Now. To view the results of each calculation, click on the various tabs.  To email yourself a copy of the results, click the Receive this Detailed Analysis link.