Tabellab
Intermediate

Mortgage & Loan Underwriting Math

Work through one home loan file: payment and amortization, PITI, LTV, mortgage insurance, qualifying income, DTI, APR and points, and a refinance check, with every cell checked as you go. Educational only, not financial advice.

8 lessons 8 labs 1.9 h Certificate

The first lesson is free — no account needed.

Lessons

  1. Monthly Payment and AmortizationLab14 minFree
  2. PITI and the Escrow AccountLab12 min Pro
  3. Loan-to-Value and Combined LTVLab13 min Pro
  4. Mortgage Insurance above 80 % LTVLab14 min Pro
  5. Qualifying Income from Pay StubsLab13 min Pro
  6. Debt-to-Income and the Maximum LoanLab15 min Pro
  7. APR vs Note Rate, Points and Break-evenLab15 min Pro
  8. Refinance Analysis: Payment, Costs and Break-evenLab15 min Pro