What is debt-to-income ratio, and why does it matter?
Your DTI is the share of gross monthly income that goes to debt payments — the main yardstick lenders use for how much mortgage you can carry. Lower is better; many programs like totals under roughly 43%, some flex higher. Paying down a card or loan can expand your buying power.
Your debt-to-income ratio — DTI — is your monthly debt payments divided by your gross monthly income. Earn $6,000 a month and pay $1,800 toward debts including your future mortgage? That's a 30% DTI. It matters because it's the main yardstick lenders use to judge how much mortgage payment you can carry.
What counts — and what doesn't
Counts: the full future housing payment (loan, taxes, insurance, HOA), car payments, student loans, credit card minimums, and other financed debts. Doesn't count: utilities, groceries, gas, phone plans, streaming — most of daily life. Which is why the lender's math can look roomier than your real budget, and why the number a lender approves and the number that feels good are two different conversations.
The thresholds, honestly
Many loan programs prefer a total DTI under roughly 43%, and some flex higher with strong credit or reserves — it's a preference landscape, not one hard line. If your ratio is tight, that doesn't end the conversation; it shapes the strategy.
Two levers, one of them fast
You can grow income (slow) or shrink debt (often fast). Paying off a card or a small loan removes its entire payment from the equation — here's how to sequence card paydowns — and sometimes a few hundred dollars applied precisely unlocks meaningfully more home. It also reframes the "how much income do I need" question: often you don't need more income — you need one less payment.
A lender calculates yours in minutes. Then bring it to me, and I'll show you what that number means in real homes and real neighborhoods — that's where it stops being math and starts being a plan.
This answer is general education, not legal, tax, or financial advice. Your situation is unique — let's talk through the specifics together.