Apartment Mortgage Calculator
2026 Apartment Mortgage Interest and Payment Calculator
Accurately calculate mortgage interest and monthly payments for apartment purchases. Get customized loan simulations considering LTV and DTI limits.
💡 What is an Apartment Mortgage?
An apartment mortgage is a home loan secured by your apartment. Typically, you can borrow up to 40-70% (LTV) of the property value, with options for equal principal and interest or equal principal repayment methods.
🏠 Mortgage Calculator
Monthly Payment
152만원
Total Payment
5.5억원
Total Interest
2.5억원
82.4% of principal
📊 Principal vs Interest
Principal
3.0억원
Interest
2.5억원
📅 Payment Schedule
| Year | Annual Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | 18,240,671원 | 4,839,680원 | 13,400,991원 | 3.0억원 |
| 2 | 18,240,671원 | 5,062,014원 | 13,178,657원 | 2.9억원 |
| 3 | 18,240,671원 | 5,294,562원 | 12,946,109원 | 2.8억원 |
| 4 | 18,240,671원 | 5,537,793원 | 12,702,878원 | 2.8억원 |
| 5 | 18,240,671원 | 5,792,199원 | 12,448,472원 | 2.7억원 |
| 6 | 18,240,671원 | 6,058,291원 | 12,182,380원 | 2.7억원 |
| 7 | 18,240,671원 | 6,336,608원 | 11,904,063원 | 2.6억원 |
| 8 | 18,240,671원 | 6,627,711원 | 11,612,960원 | 2.5억원 |
| 9 | 18,240,671원 | 6,932,187원 | 11,308,484원 | 2.5억원 |
| 10 | 18,240,671원 | 7,250,650원 | 10,990,021원 | 2.4억원 |
| ... Total 30 years | ||||
💰 Interest Rate Comparison
| Rate | Monthly | Total Interest | Difference |
|---|---|---|---|
| 3.5% | 1,347,134원 | 1.8억원 | -62,251,872원 |
| 4.0% | 1,432,246원 | 2.2억원 | -31,611,616원 |
| 4.5% | 1,520,056원 | 2.5억원 | +0원 |
| 5.0% | 1,610,465원 | 2.8억원 | +3255만원 |
| 5.5% | 1,703,367원 | 3.1억원 | +6599만원 |
Mortgage Calculation Result
Monthly 152만원
✨ Total interest 2.5억원Loan 3.0억원, 4.5% rate, 30 years
💡 Figure it out together
Better when calculated together
#MortgageCalculator #HomeLoan #InterestRate
Important Note
This calculator is for reference only. Actual loan terms may vary based on lender, credit score, and collateral value. Contact your financial institution for accurate information.
📐 Loan Limit & Payment Formulas
LTV Limit = Apartment Value × LTV Ratio (40-70%)
DTI Limit = Annual Income × DTI Ratio ÷ 12 × Term
Monthly Payment = Principal × [Rate × (1+Rate)^Term] / [(1+Rate)^Term-1]
📝 How to Use the Calculator
- Enter the apartment value or desired loan amount
- Enter the interest rate (current rates ~3.5-5%)
- Select repayment period (10-40 years)
- Choose repayment method
- Click calculate to see monthly payments
📊 Monthly Payment Examples (4% rate, 30 years)
| Loan Amount | Monthly Payment | Total Interest | Total Payment |
|---|---|---|---|
| $100K | $477 | $71,869 | $171,869 |
| $200K | $954 | $143,739 | $343,739 |
| $300K | $1,432 | $215,608 | $515,608 |
| $400K | $1,909 | $287,478 | $687,478 |
| $500K | $2,387 | $359,347 | $859,347 |
🏠 Apartment Mortgage Tips
- Speculation hotspot: LTV 40%, Regulated area: LTV 50%, Non-regulated: LTV 70%
- First-time homebuyers may get preferential rates
- Compare fixed vs variable interest rates
- Check prepayment penalties (usually 1.2-1.5%)
📚 Länderbezogener Rechenleitfaden
Formellogik
Verwendet öffentliche Standards für Finanzen, Darlehen, Quoten und Umrechnung.
Quellenrahmen
Bezug auf öffentliche Standards und übliche Praxis je Land.
Annahmen
Steuern, Gebühren, Zinssätze und Grenzen variieren nach Region/Institut.
Result Interpretation
Nutzen Sie das Ergebnis als Basisszenario. Vor Entscheidungen mit echtem Angebot und lokaler Steuerlage abgleichen.
Lokale Voreinstellung
Währung: EUR
Einheiten: metric
Steuermodell: US payroll estimate
Regulatorischer Hinweis
Dieses Tool nutzt regionale Voreinstellungen zur Schätzung. Reale Vertragsbedingungen und gesetzliche Grenzen variieren je nach Institut und Rechtsraum.
Empfohlene nächste Schritte
- Vergleichen Sie vor Abschluss mindestens 2-3 lokale Anbieter.
- Prüfen Sie Gebühren, Steuerwirkung und Vorfälligkeitsklauseln schriftlich.
- Simulieren Sie ein Stressszenario mit +1-2% Zins.
Vor realen Entscheidungen bitte die aktuellen lokalen Regeln prüfen.