To get the percentage, you'd take 0.3 and multiply it by 100, giving you a DTI of 30%. Monthly debt ∕ Gross monthly income × 100 = Debt-to-income ratio How to lower your debt-to-income ratio
About Ratio to Percentage Calculator . The Ratio to Percentage Calculator is used to convert ratio to percentage. Please note that in this calculator ratio a:b means a out of b. Example.