Interim Loan Limit & Per-Installment Interest Calculator

Enter presale price, installments, and rate to compare loan limit, per-installment interest, and interest-free vs deferred total burden in one view.

🏢 Price & Ratios

10k KRW

e.g. 600M KRW = 60000

%
%
rounds
%

Usually 60% of price, 40% in regulated areas

📅 Schedule & Rate

%

Cofix + spread (e.g. 4.5%)

months

= loan maturity date

💳 Interest Payment Method

📊 Result

Selected method: Deferred (lump sum at settlement)

Total interest

1,892만 2,192원

Lump sum at settlement

1,892만 2,192원

Loan limit

3억 6,000만원

Total loan disbursed

3억 6,000만원

Self-funded (over limit)

0원

✓ Interim total is within the loan limit.

Price composition

Down payment (10%)
6,000만원
Interim (60%)
3억 6,000만원
Balance (30%)
1억 8,000만원

🧾 Per-Installment Schedule

RoundDue dateInstallmentLoanSelf-fundedLoan daysInterest
12026.10.0160,000,000원60,000,000원0원731d5,407,397원
22027.02.0160,000,000원60,000,000원0원608d4,497,534원
32027.06.0160,000,000원60,000,000원0원488d3,609,863원
42027.10.0160,000,000원60,000,000원0원366d2,707,397원
52028.02.0160,000,000원60,000,000원0원243d1,797,534원
62028.06.0160,000,000원60,000,000원0원122d902,466원
Total360,000,000원360,000,000원0원18,922,192원

⚖️ Total Burden by Method

Interest-free
0원
Deferred
1,892만 2,192원
Monthly
1,892만 2,192원

※ On a simple-interest basis, deferred and monthly totals are equal; only the timing differs (spread monthly vs lump sum).

※ Interest-free means 0 interest, but a price premium is usually included, so the real total may differ.

Basis

  • 🏦 Loan limit: usually 60% of price (6 × 10%). May shrink to 40–50% in regulated areas.
  • 📈 Interest: per-installment loan × annual rate × (days from disbursement to settlement ÷ 365), simple accrual.
  • 💳 Method: deferred = lump sum at settlement, monthly = pay as you go (same total), free = developer pays.

※ All figures are reference estimates. Actual limits, rates, and schedules depend on the bank/developer collective-loan terms.

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