Debt to income (or DTI) ratio debt-to-income (DTI) ratio DTI (debt to income ratio) around 28 percent and 36 percent debt-to-income ratio Zillow: What Is a Debt-to-Income Ratio debt-to-income ratio your debt-to-income ratio debt-to-income ratio debt-to-income (DTI) ratio fall around 28 and 36 percent debt-to-income ratio debt-to-income ratio more stringent requirements