Interactive calculator
Home Affordability DTI Checker
Most DTI tools stop at lender-style ratios. This one adds the expenses people actually feel after closing: utilities, maintenance, normal living costs, and leftover monthly cash.
DTI + leftover cash stress test
Home affordability DTI checker with leftover cash and stress-rate test
Estimate whether the mortgage works after taxes, insurance, PMI, HOA, utilities, maintenance, debts, normal expenses, and a higher-rate stress test.
Last updated 2026-05-04. Educational planning only.
Quick answer: Check front-end DTI, back-end DTI, true-cost burden, leftover cash, and stress-rate affordability in one calculator.
What makes this calculator niche
Most DTI tools stop at lender-style ratios. This one adds the expenses people actually feel after closing: utilities, maintenance, normal living costs, and leftover monthly cash.
Formula used
True-cost burden = true housing cost + monthly debts + living expenses รท gross monthly income
Result summary
Enter a scenario above to generate a planning summary.
FAQ
What is front-end DTI?
Front-end DTI compares core housing cost to gross monthly income.
What is back-end DTI?
Back-end DTI compares core housing cost plus other monthly debts to gross monthly income.
Why add leftover cash?
DTI can look acceptable while the household still has too little cash left for savings, repairs, and normal life after closing.