Guide · Debt-to-income

How to use a debt-to-income calculator

Educational guide · Updated · About 6 min read

John Rey Balais, developer of Nestfigure Written & maintained by John Rey Balais Developer · Nestfigure
  1. Choose monthly or annual gross income.
  2. Enter housing payment per month.
  3. Enter other monthly debts you want included.
  4. Read front-end DTI, back-end DTI, and residual gross after debts.
  5. Optional: use the income compare table with the same debts.

Example: $6,000 · $1,800 housing · $400 other

What it is not

  • Not a pre-approval
  • Not credit score software
  • Not advice that any ratio is “safe”

How we calculate · Questions

Frequently asked questions

What inputs do I need?

Gross income (monthly or annual), housing payment per month, and other monthly debt payments.

Can I share a prefilled link?

Yes—use mode, monthlyIncome or annualIncome, housing, and other query parameters.

Related tool

Open the free DTI calculator

Front-end and back-end ratios from numbers you enter.

Open debt-to-income calculator

Sources linked above include U.S. government materials (for example CFPB, FDIC, NCUA, BLS, IRS) where noted. Sample math uses only labeled Nestfigure assumptions—not bank quotes, job offers, or personalized advice. Last reviewed: August 9, 2026.

YMYL notice: This site is for education only. It is not financial, tax, or investment advice. Nestfigure is not a bank, credit union, broker, investment adviser, or fiduciary. Product terms, rates, and penalties vary—always read your institution’s disclosures before acting. Calculator results are mathematical estimates, not bank quotes.