How to calculate the full monthly cost of a home
For a realistic monthly housing budget, start with principal and interest, then add taxes, insurance, applicable PMI, HOA dues, upkeep and utilities. Chip Mortgage Calculator US lets you include these in one view.
Worked example: the loan payment is only the start
A hypothetical $300,000 fixed-rate loan at 6% for 30 years has principal and interest of about $1,798.65 per month. Add $250 property tax, $100 insurance, $50 HOA, $200 upkeep and $150 utilities: the planning total becomes $2,548.65. This example assumes no PMI or extra principal.
Those extra costs are illustrative inputs, not local estimates. Taxes, insurance, PMI rules and lender calculations vary. Extra principal changes your cash outlay and loan schedule; upkeep and utilities do not pay down the loan.
Compare two home budgets fairly
- Use the same loan term and rate assumption.
- Enter property-specific tax, insurance and HOA estimates.
- Set realistic upkeep and utility allowances.
- Compare the full monthly cash requirement and payoff schedule.
- Check the assumptions with your lender before committing.
What is free?
Unlimited calculations, charts, Details and on-screen schedules are free. An optional permanent purchase adds saved plans and PDF/CSV exports. The app calculates US fixed-rate loans in US dollars; it does not replace a lender quote.