Free Mortgage Tools — FL, SC & TN

Mortgage Calculators

Three linked calculators — estimate your monthly payment, calculate your qualifying income, then check your debt-to-income ratio. Your income automatically flows into the DTI calculator.

Calculator 1

Monthly Mortgage Payment

$

Enter the full purchase price of the home

$
%
Loan Amount$280,000
7.000%
2%15%

Credit score affects PMI/MI rates — especially for Conventional loans

$

Divide annual tax bill by 12

$

Divide annual premium by 12

Estimated Monthly Payment
$2,262.85

Principal, interest, taxes, insurance

Principal & Interest$1,862.85
Property Taxes$250.00
Homeowners Insurance$150.00
Total Monthly Payment$2,262.85
Payment Breakdown
P&I
$1,862.85 (82.3%)
Taxes
$250.00 (11.0%)
Insurance
$150.00 (6.6%)
Loan Summary
Loan Amount
$280,000
Down Payment
$70,000 (20.0%)
Interest Rate
7.000%
Loan Term
30 years
Total Interest
$390,625
Total Cost
$740,625
No mortgage insurance required

Now calculate your qualifying monthly income below. Once you enter your income sources, the total will automatically flow into the DTI calculator in Calculator 3 — no manual entry needed.

Calculator 2

Qualifying Income

Borrower Income

Select all income sources that apply:

QUALIFYING INCOME SUMMARY
Check income sources to calculate

Check the income sources on the left to see your qualifying monthly income

Estimates only. Actual qualifying income is determined by your loan officer per Fannie Mae, Freddie Mac, FHA, VA, or USDA guidelines.

Your qualifying income is live-linked. The mortgage payment from Calculator 1 and the income from Calculator 2 are automatically carried into the DTI calculator below. Just add your other monthly debts to see your full picture.

Calculator 3

Debt-to-Income Ratio

Auto-filled from Calculator 2
Enter income in Calculator 2 above

Use Calculator 2 above to calculate your qualifying monthly income — it will appear here automatically.

Monthly Debt Obligations
Auto-filled from Calculator 1
$2,262.85PITI
$

All auto loan payments combined

$

Monthly student loan payment(s)

$

Minimum monthly payments on all cards

$

Personal loans, installment loans, etc.

$

Existing mortgage or HELOC payments

$

Child support, alimony, or other obligations

Back-End DTI Ratio
0.0%Excellent
≤36% Excellent
37–43% Good
44–50% Caution
>50% High
Gross Monthly Income
Total Monthly Debt
Front-End DTI (housing only)
Back-End DTI (all debt)
Lender DTI Guidelines
Conventional (ideal)≤ 36%
Best rates & terms
Conventional (max)≤ 43%
Standard approval
FHA (standard)≤ 43%
Up to 50% with compensating factors
VA Loan≤ 41%
Residual income also considered
USDA Loan≤ 41%
Up to 44% with approval
Ready to Take the Next Step?

Talk to a Loan Officer

These calculators provide estimates for planning purposes only. Actual rates, payments, and qualification depend on your credit profile, property, and current market conditions. Our licensed loan officers in FL, SC & TN are ready to give you exact numbers.

These calculators are for educational and estimation purposes only and do not constitute a loan commitment or guarantee of any specific rate or terms. PMI estimates are approximate. Actual property taxes and insurance costs vary. Equal Housing Lender. NMLS: 103035. Licensed in FL, SC & TN.

Equal Housing Lender. © 2004–2026 Coastal Funding Corporation Inc. NMLS: 103035. Trade/service marks are the property of Coastal Funding Corporation Inc. or their respective affiliates and/or subsidiaries. Some products may not be available in all areas. This is not a commitment to lend. Restrictions apply. All rights reserved. Terms and Conditions Apply. Licensed in FL, SC, TN.

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