Mortgage planning tools
Plan your mortgage with confidence
Estimate payments, understand affordability, compare refinancing options, and explore your loan payoff — with every assumption on screen and nothing presented as a quote.

Standard mortgage calculator
Work out the monthly payment and the full cost of the loan.
20.0% of the purchase price
Your own figure. We do not quote rates here.
From the county property appraiser, not the seller's current bill.
Get a real quote early. Florida estimates are often well off.
Often applies below 20% equity. The amount depends on the program.
Estimated monthly payment $3,075. Loan amount $360,000. Total interest over the term $459,160.
Your estimated monthly payment
$3,075/ month
Loan amount
$360,000
Total interest
$459,160
Total cost
$819,160
Payment composition
Payment composition. Total $3,075 a month: Principal $325, 11%; Interest $1,950, 63%; Taxes $450, 15%; Insurance $350, 11%.
The principal and interest split shown is your first payment. Interest falls and principal rises every month after it.
Remaining balance over time
Remaining balance falling from $360,000 at the start to $0 after 30 years.
Assumes every payment is made on schedule and nothing extra is paid.
Scenario comparison
Compare two versions of the same loan.
| Measure | 15-year | 30-year | Difference |
|---|---|---|---|
| Monthly payment | $3,136 | $2,275 | −$861 |
| Total interest | $204,478 | $459,160 | +$254,683 |
| Total cost | $564,478 | $819,160 | +$254,683 |
| Paid off in | 15 years | 30 years | — |
The same loan amount and rate over two terms. A shorter term costs more each month and far less overall.
Mortgage stress test
Hypothetical only — see what one change would do.
As entered
$3,075/mo
$36,905 a year
Rate +1 point
$3,317/mo
+$242/mo (+7.9%)
+$2,901 a year
Taxes +10%
$3,120/mo
+$45/mo (+1.5%)
+$540 a year
Insurance +25%
$3,163/mo
+$88/mo (+2.8%)
+$1,050 a year
Dues +$100
$3,175/mo
+$100/mo (+3.3%)
+$1,200 a year
Each tile moves one assumption and leaves the rest alone. None of these is a prediction that rates, assessments, premiums or dues will change, and none of them is a quote.
Helpful resources
Plain explanations of what these numbers mean.
An estimate, not an offer
Every figure on this page is arithmetic on numbers you entered. It is not a quote, a rate lock, a pre-approval, a loan offer, or a statement that you qualify for anything. Real terms depend on a full application, your credit and documentation, the property, and pricing on the day a rate is locked. Property taxes, insurance and association dues are your assumptions, not amounts quoted by anyone.
Last updated
Reading the output
What a mortgage calculator can and cannot tell you
A calculator does arithmetic on numbers you supply. That is genuinely useful for comparing scenarios against each other: what a larger down payment does to the payment, how much a shorter term costs per month, whether association dues change the picture on a particular property.
What it cannot do is tell you whether a lender will make the loan, at what price, or on what terms. Those depend on your credit profile, your documentation, the property, the occupancy, the program, and the day you lock. Any site that produces a payment figure and calls it a quote is showing you arithmetic dressed up as an offer.
In Florida there is a second trap. Property insurance and association dues are often the fastest-moving part of a housing payment, and a calculator that folds them into one number hides how much of your payment is actually outside the lender’s control. Both tools here keep them separate for that reason.
Before you rely on a figure
Get these three numbers right
- Property taxes. Use the county property appraiser’s figure for the property, not the seller’s current bill — assessments commonly change when a property sells.
- Insurance. Get a real quote early. Florida premiums vary enough by property, age, roof and location that an estimate is often badly wrong, and it affects both the payment and whether a DSCR file works.
- Association dues. Ask for the current figure and any planned assessment. These count toward qualifying and toward debt service.
Questions about these tools
- Do these calculators show your rates?
- No. The interest rate is a field you fill in yourself so you can model different scenarios. No rate on this site is a quote, because pricing depends on details a web page does not know about your file.
- Why is the payment here higher than other calculators show?
- Because most calculators show principal and interest only. This one itemises property taxes, insurance, association dues and mortgage insurance separately and adds them in, which is closer to what you will actually pay each month in Florida.
- Can I use the output as proof of affordability?
- No. It is an estimate based on figures you entered, not an approval, a pre-approval or a commitment to lend. A seller or agent will want a pre-approval from a lender, which is a different thing entirely.
Where this leads
From a number to a plan
A calculator answers one question at a time. Which program the loan is written under is the question underneath all of them, and it depends on who is borrowing and what they are buying.
First-time homebuyer financing
There is no single "first-time homebuyer loan." The term describes a borrower, not a product, and it unlocks certain assistance programs rather than a particular mortgage.
Read moreBank statement loans
A bank statement loan derives qualifying income from deposits into your business or personal accounts over a defined period, instead of from tax returns. It suits business owners whose returns understate the cash the business produces.
Read moreDSCR loans
A DSCR loan qualifies an investment property on the property's debt service coverage rather than on your personal income documents. It is a different way of measuring capacity to repay — not an absence of underwriting.
Read more
Terms used on this page
Also on this site
- Every loan option on this site
- VA loan cost calculator
- What moves a mortgage rate
- Where we lend in Florida
Numbers only go so far. If you want these checked against your own situation, that conversation starts here — no documents at this stage.
Homebuyers: start a conversationWhere to check the underlying numbers
Program rules are set by these organizations and are updated periodically. Where this page and an official source disagree, the official source is correct.
- Owning a home: guides and checklists (opens in a new tab) — Consumer Financial Protection Bureau
- Understanding the Closing Disclosure (opens in a new tab) — Consumer Financial Protection Bureau
- Florida Office of Insurance Regulation (opens in a new tab) — State of Florida
- Flood Map Service Center (opens in a new tab) — FEMA
