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.
๐ก 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.
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 Loan Limit & Payment Formulas
LTV Limit = Apartment Value ร LTV Ratio (40-70%)
DTI Limit = Annual Income ร DTI Ratio รท 12 ร Term
Monthly Payment = Principal ร [Rate ร (1+Rate)^Term] / [(1+Rate)^Term-1]
๐ 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
๐ 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 |
๐ 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%)
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.