Calculator Center
Calculators that show their work.
Each calculator uses the interest rate and assumptions you enter. None presents a rate as current, and none creates a crawlable result URL from your inputs.
- Mortgage Payment Calculator
Estimate principal, interest, taxes, insurance, HOA, and PMI for a conventional loan using assumptions you control.
- Debt-to-Income (DTI) Calculator
Calculate front-end and back-end DTI ratios for conventional loan qualification.
- Down Payment Calculator
Model down payment percentage, loan-to-value, and cash-to-close scenarios for a conventional purchase.
- Home Affordability Calculator
Estimate a purchase price range from income, debts, and a DTI cap you can edit.
- PMI Removal Timeline Calculator
Estimate when scheduled amortization brings a conventional loan to 80% LTV for potential PMI removal.
- Discount Points Break-Even Calculator
Compare the upfront cost of discount points to monthly principal-and-interest savings and estimate a break-even month.
Every calculator here is deterministic and educational. See the methodology page for exact formulas, inputs, and the boundary between education and a licensed mortgage transaction.