Finance
Mortgage Calculator
Build a full monthly housing payment that includes principal, interest, property taxes, insurance, and HOA dues.
See principal & interest plus taxes, insurance, and HOA for a complete monthly snapshot.
Monthly housing cost
PITI = PI + tax_monthly + insurance_monthly + HOA
Principal and interest (PI) use the standard amortized payment formula. Property tax and insurance are annual amounts divided by 12, and HOA fees are added as-is.
How to use
- Enter the home price and your planned down payment percentage.
- Provide the interest rate, loan term, property tax rate, insurance cost, and monthly HOA dues.
- Review the breakdown to see principal & interest alongside each escrowed expense.
Example
Input: Home price = $450,000, Down payment = 10%, Rate = 5.25%, Term = 30 years, Tax rate = 1.2%, Insurance = $1,200/year
Output: Estimated total monthly payment ≈ $2,786.42
Student-friendly breakdown
This walkthrough emphasizes the most searched ideas for Mortgage Calculator: mortgage calculator, mortgage payment calculator, mortgage payoff calculator, mortgage affordability calculator. Start with the formula above, then follow the guided steps to double-check your work. For quick revision, highlight the givens, plug into the equation, and finish by verifying your units.
Need more support? Use the links below to open the long-form guide, browse additional examples, or hop into adjacent calculators within the same topic — each one is a quick way to double-check your work or handle a related question without starting from scratch.
Deep dive & study plan
Mortgage Calculator: Principal & interest plus taxes, insurance, and HOA for home buyers. It's built around mortgage, piti, housing, so you can go from a raw question to a checked answer without switching tools.
The math behind it: Principal and interest (PI) use the standard amortized payment formula. Property tax and insurance are annual amounts divided by 12, and HOA fees are added as-is. The core relationship is PITI = PI + tax_monthly + insurance_monthly + HOA, shown above the calculator so you can see exactly how your inputs turn into the result.
To use it well: (1) Enter the home price and your planned down payment percentage. (2) Provide the interest rate, loan term, property tax rate, insurance cost, and monthly HOA dues. (3) Review the breakdown to see principal & interest alongside each escrowed expense. Keep your units consistent as you go, and re-run a case you already know the answer to — it's the fastest way to catch a typo before it throws off a result you're relying on.
Worked example: entering Home price = $450,000, Down payment = 10%, Rate = 5.25%, Term = 30 years, Tax rate = 1.2%, Insurance = $1,200/year returns Estimated total monthly payment ≈ $2,786.42. Try swapping in your own numbers next, especially a case you're unsure about, before you use this for something that matters.
Quick retention checklist
- Speak the formula aloud (or annotate it) so the relationships stick.
- Write each step in your own words and compare with the numbered list above.
- Swap in new numbers for the Example to make sure the calculator (and your logic) handles edge cases.
- Check at least one related calculator below — it's the fastest way to confirm your numbers still line up from a different angle.
FAQ & notes
Does this cover PMI?
Private mortgage insurance is not included automatically. If you owe PMI, add the monthly cost to the HOA field to see the full payment.
What if I know exact tax and insurance bills?
Swap the percentage-based inputs for the annual dollar figures you receive and the calculator will still divide them into monthly amounts.
What formula does the Mortgage Calculator use?
Principal and interest (PI) use the standard amortized payment formula. Property tax and insurance are annual amounts divided by 12, and HOA fees are added as-is.
How do I use the Mortgage Calculator?
Enter the home price and your planned down payment percentage. Provide the interest rate, loan term, property tax rate, insurance cost, and monthly HOA dues. Review the breakdown to see principal & interest alongside each escrowed expense.