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.
๐ 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.
๐ Mortgage Calculator
Monthly Payment
152๋ง์
Total Payment
5.5์ต์
Total Interest
2.5์ต์
82.4% of principal
๐ Principal vs Interest
Principal
3.0์ต์
Interest
2.5์ต์
๐ Payment Schedule
| Year | Annual Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | 18,240,671์ | 4,839,680์ | 13,400,991์ | 3.0์ต์ |
| 2 | 18,240,671์ | 5,062,014์ | 13,178,657์ | 2.9์ต์ |
| 3 | 18,240,671์ | 5,294,562์ | 12,946,109์ | 2.8์ต์ |
| 4 | 18,240,671์ | 5,537,793์ | 12,702,878์ | 2.8์ต์ |
| 5 | 18,240,671์ | 5,792,199์ | 12,448,472์ | 2.7์ต์ |
| 6 | 18,240,671์ | 6,058,291์ | 12,182,380์ | 2.7์ต์ |
| 7 | 18,240,671์ | 6,336,608์ | 11,904,063์ | 2.6์ต์ |
| 8 | 18,240,671์ | 6,627,711์ | 11,612,960์ | 2.5์ต์ |
| 9 | 18,240,671์ | 6,932,187์ | 11,308,484์ | 2.5์ต์ |
| 10 | 18,240,671์ | 7,250,650์ | 10,990,021์ | 2.4์ต์ |
| ... Total 30 years | ||||
๐ฐ Interest Rate Comparison
| Rate | Monthly | Total Interest | Difference |
|---|---|---|---|
| 3.5% | 1,347,134์ | 1.8์ต์ | -62,251,872์ |
| 4.0% | 1,432,246์ | 2.2์ต์ | -31,611,616์ |
| 4.5% | 1,520,056์ | 2.5์ต์ | +0์ |
| 5.0% | 1,610,465์ | 2.8์ต์ | +3255๋ง์ |
| 5.5% | 1,703,367์ | 3.1์ต์ | +6599๋ง์ |
Mortgage Calculation Result
Monthly 152๋ง์
โจ Total interest 2.5์ต์Loan 3.0์ต์, 4.5% rate, 30 years
๐ก 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.
๐ DSR Formula
DSR(%) = (Annual P&I Payments on All Loans รท Annual Income) ร 100
DSR Limit: 40% (Banks), 50% (Non-bank)
Example: Income 50M KRW โ Annual payment limit 20M โ Monthly 1.66M
๐ 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%
๐ 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 |
๐ก 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)
๐ Local Method & Assumption Guide
Formula Logic
Core formulas use public finance, loan, ratio, and unit conversion standards.
Source Scope
References follow publicly available standards and country-level common practices.
Assumptions
Taxes, fees, rates, and limits vary by region and institution.
Result Interpretation
Use this result as a baseline scenario. For decisions, compare with your lender quote and local tax treatment.
Locale Preset
Currency: USD
Units: imperial
Tax logic: US payroll estimate
Regulatory Note
This tool uses regional presets for estimation. Contract terms and legal limits may differ by lender, bank, or local law.
Recommended Next Actions
- Compare at least 2-3 local providers before final submission.
- Re-check fees, tax treatment, and prepayment clauses in writing.
- Run a stress scenario with +1-2% interest and lower income.
Before a real financial decision, confirm with local institution rules.