Sale Price Of Lot ($)   Sale Price of Home ($)   Percentage Down (%)   Mortgage Length (years) 30 15   Interest Rate (%)           Down Payment   Amount Financed   Monthly Payment   PMI if applicable (approximate)   Taxes (approximate)   Total Monthly Payment         This calculator factors in PMI (Private Mortgage Insurance) for loans where less than 20% is put as a down payment. Also taken into consideration are the town property taxes, and their effect on the total monthly mortgage payment.