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Debt-to-Income Ratio

Gross Monthly Income ($)

Total Monthly Debt Payments ($)

What is Debt-to-Income Ratio Calculator?

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The debt-to-income (DTI) ratio measures monthly debt payments as a percentage of gross monthly income. Lenders use DTI to assess creditworthiness for mortgages and loans.

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Vzorec

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f(x)DTI = (monthly_debt_payments / gross_monthly_income) × 100%

Variable Legend

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Symbol	Meno	Jednotka	Popis
debt	Monthly debt payments	$	All required monthly debt payments
income	Gross income	$	Total monthly income before taxes
DTI	Debt-to-income ratio	%	Percentage of income going to debt

How to Debt-to-Income Ratio Calculator

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1DTI = (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100
2Include all minimum debt payments: mortgage, car, student loans, credit cards
3Gross income = before tax income
4Front-end DTI = housing costs only; Back-end DTI = all debts

Worked Examples

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Example 1

Given:$1,500 debts, $6,000 income

Výsledok:DTI 25% — Good (lender friendly)

Example 2

Given:$2,500 debts, $6,000 income

Výsledok:DTI 41.7% — Borderline for mortgage

Example 3

Given:$500 debts, $5,000 income

Výsledok:DTI 10% — Excellent

Real-World Applications

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Qualifying for mortgages and auto loans

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Assessing personal financial health and stability

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Planning debt paydown to improve borrowing capacity

DTI Ratio Benchmarks

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DTI Ratio	Rating	Mortgage Eligibility
< 20%	Excellent	Easy approval
20–35%	Good	Most lenders approve
36–43%	Fair	Conventional mortgage limit
44–50%	High	FHA limit — difficult
> 50%	Very High	Most lenders decline

Frequently Asked Questions

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What is a good debt-to-income ratio?

Below 36%: excellent. 36–43%: acceptable (required for many mortgages). Above 43%: risky, may prevent borrowing.

What counts as debt?

Mortgage, car loans, student loans, credit cards, personal loans, child support. Not: rent, utilities, insurance.

How does DTI affect mortgage approval?

Most lenders allow max 43–50% DTI for mortgages. Lower DTI = better rates and approval odds.

References

›DTI guidelines — Consumer Financial Protection Bureau