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Both calculators run independently — change the inputs on either side to compare results.

Debt-to-Income Ratio Calculator

Compute your debt-to-income (DTI) ratio — total monthly debt payments divided by gross monthly income, expressed as a percentage. The single most important number lenders look at when deciding whether to approve a mortgage, auto loan, or any other significant credit.

Monthly Debt Payments ($)

Monthly Gross Income ($)

Fill in the required fields to see your result.

Debt

Credit Card Payoff Calculator

Estimate how many months it takes to pay off a credit-card balance with a fixed monthly payment, given the card's APR. Uses the standard amortisation formula to translate "I can pay $X/month" into a concrete payoff timeline.

Credit Card Balance ($)

Interest Rate (APR) (%)

Monthly Payment ($)

Fill in the required fields to see your result.

Key differences

	Debt-to-Income Ratio Calculator	Credit Card Payoff Calculator
Category	Debt	Debt
Inputs required	2	3
Result	Debt-to-Income Ratio (%)	Months to Pay Off (months)
What it does	Compute your debt-to-income (DTI) ratio — total monthly debt payments divided by gross monthly income, expressed as a percentage. The single most important number lenders look at when deciding whether to approve a mortgage, auto loan, or any other significant credit.	Estimate how many months it takes to pay off a credit-card balance with a fixed monthly payment, given the card's APR. Uses the standard amortisation formula to translate "I can pay $X/month" into a concrete payoff timeline.