SC Lowcountry Mortgage Calculators

Estimate payments, compare loan options, and plan your purchase - these tools help you ask the right questions before you talk to a lender.

Purchase Mortgage Calculator

Estimate your monthly principal and interest payment. Does not include taxes, insurance, or HOA dues.

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Your Estimated Payment
Monthly P&I
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Principal & Interest only
Loan Amount
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Total Interest Paid
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Total Cost of Loan
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How Much Can I Afford?

Estimate a comfortable purchase price based on your gross monthly income and existing debts.

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Your Estimated Buying Power
Max Purchase Price
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Max Monthly Payment
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Max Loan Amount
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Down Payment
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Amortization Schedule

See exactly how each payment splits between principal and interest over the life of your loan.

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Loan Summary
Monthly Payment
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Total Interest
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Total Paid
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Year Principal Paid Interest Paid Balance

Rent vs. Buy Calculator

Compare the true long-term cost of renting against buying in the SC Lowcountry.

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Buy vs. Rent Comparison
Net Advantage of Buying
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Total Rent Paid
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Home Value at Sale
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Equity Built
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15 vs. 30 Year Mortgage

See exactly how much interest you save by choosing a 15-year term - and what it costs you in monthly payment.

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Side-by-Side Comparison
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Compare 2 Loan Scenarios

Enter two different loan options side by side to see which one makes more sense for you.

Loan A
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Loan B
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Pre-payment Savings Calculator

See how much time and interest you save by adding extra principal to your monthly payment.

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Pre-payment Impact
Interest Saved
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Loan Paid Off In
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Time Saved
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New Monthly Payment
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DSCR Calculator (Investment Property)

Debt Service Coverage Ratio - used by lenders to qualify investment property loans based on rental income, not personal income.

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DSCR Results
DSCR Ratio
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Monthly PITIA
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Monthly P&I
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Gross Monthly Rent
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For informational purposes only. These calculators provide estimates based on the inputs you provide. Results do not include property taxes, homeowner's insurance, HOA fees, flood insurance, mortgage insurance, or closing costs. Rates and availability vary by lender and borrower profile. Contact a licensed mortgage professional for a personalized quote. Carl Kratz is a licensed SC Broker & Realtor - not a lender or mortgage advisor.

Carl Kratz

Ready to Tour Properties in the Lowcountry?

Numbers are a starting point. I can connect you with trusted local lenders and show you what these budgets actually look like on the ground in Hilton Head, Bluffton, Beaufort, and beyond.