DSR Calculator - Debt Service Ratio
2026 DSR Regulation Loan Limit Calculator
Calculate your DSR (Debt Service Ratio) to check loan eligibility. Verify if you meet the 40% DSR regulation required for bank loans.
📊 What is DSR?
DSR (Debt Service Ratio) is the ratio of annual principal and interest payments on all loans to annual income. Since 2024, a 40% DSR cap applies to all household loans, meaning only 40% of your annual income can be used for loan repayments.
🏠 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
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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.
📐 DSR Formula
DSR(%) = (Annual P&I Payments on All Loans ÷ Annual Income) × 100
DSR Limit: 40% (Banks), 50% (Non-bank)
Example: Income 50M KRW → Annual payment limit 20M → Monthly 1.66M
📝 How to Use DSR Calculator
- Enter your annual income (pre-tax)
- Enter monthly payments on existing loans
- Enter desired new loan amount and rate
- Check if DSR is below 40%
- Adjust loan amount if DSR exceeds 40%
📊 Monthly Payment Limits by Income (DSR 40%)
| Annual Income | Annual Payment | Monthly Limit | Est. Loan Limit (4%, 30yr) |
|---|---|---|---|
| $25K | $10K | $833 | ~$175K |
| $33K | $13.3K | $1.1K | ~$233K |
| $42K | $16.7K | $1.4K | ~$290K |
| $50K | $20K | $1.7K | ~$350K |
| $58K | $23.3K | $1.9K | ~$408K |
| $83K | $33.3K | $2.8K | ~$580K |
💡 DSR Management Tips
- Paying off existing loans improves DSR
- Maximize income documentation (bonuses, allowances)
- Longer terms reduce monthly payments, improving DSR
- Non-bank lenders allow up to 50% DSR
- Jeonse loans excluded from DSR (no principal)
📚 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.