What is "Mortgage"?
A mortgage is a loan secured by real estate property. Typically, based on LTV (Loan-to-Value) ratio, you can borrow 40-70% of the property value and repay the principal and interest over 10-30 years.
Example: $500,000 property, 50% LTV → Maximum $250,000 loan
🏠 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.
💡Check these out next
🎯 Who is this for?
Useful for various situations
First Home Purchase
Calculate your mortgage payments and interest before buying your first home.
Refinancing
Found a lower rate? Compare the benefits of refinancing your mortgage.
Prepayment Planning
With extra cash, should you prepay or invest? Find out here.
Newlywed Specials
Special newlywed loans offer lower rates and higher limits.
Expert Tip
Reducing your rate by just 0.5% on a $300,000 loan saves ~$30,000 over 30 years. Compare multiple banks and use rate reduction rights. Also, fixed principal repayment saves 10-15% in total interest vs. fixed payment.
— Real Estate Finance Expert
❓ Frequently Asked Questions
For $300,000 at 4% over 30 years with fixed payment: ~$1,430/month. With fixed principal: starts at $1,830 and decreases. Fixed principal saves ~$15,000 in total interest.
💡 A 0.5% rate decrease saves about $80/month!
Fixed principal saves more on total interest but has higher initial payments. If you need stable payments now, choose fixed payment. You can always make extra payments later when you have more income.
💡 Check prepayment penalties before refinancing!
LTV is loan-to-value ratio (loan limit vs property value), DTI is debt-to-income (loan payments vs income), DSR is debt service ratio (all loan payments vs income). Regulated areas limit LTV to 40-50% and DSR to 40%.
💡 Use our calculator to check your DSR too!
Choose fixed if you expect rates to rise, variable if you expect them to fall. Mixed rate (fixed for 3-5 years, then variable) is a good middle ground. For long-term loans, fixed rate is safer.
Most banks charge prepayment fees (0.5-1.4%) within the first 3 years. After 3 years, it is usually waived. Some banks allow 10-20% annual prepayment without fees.
📌 Key Takeaways
- 💰A 0.5% rate reduction saves tens of thousands over 30 years
- 📉Fixed principal saves 10-15% on total interest vs fixed payment
- 📋Check LTV and DSR regulations before applying
- ⏰Prepayment penalties often waived after 3 years
What is a Mortgage?
A mortgage is a loan secured by real estate property. Typically, you can borrow 40-70% of the property value, and monthly payments vary significantly based on interest rates and repayment methods.
Repayment Method Comparison
| Type | Fixed Payment | Fixed Principal |
|---|---|---|
| Monthly Payment | Same every month | Starts high, decreases |
| Total Interest | Relatively more | Relatively less |
| Advantages | Predictable payments | Save on total interest |
Interest Rate Types
- Fixed Rate: Interest rate stays the same throughout the loan
- Variable Rate: Changes with market rates (usually 6 months to 1 year)
- Mixed Rate: Fixed for initial years, then variable
Things to Check When Borrowing
- LTV (Loan-to-Value): Maximum loan amount vs property value
- DTI (Debt-to-Income): Debt repayment ability vs income
- DSR (Debt Service Ratio): All loan payments vs income
- Prepayment penalty: Fees for early repayment
📚 Hướng dẫn tính theo khu vực
Logic công thức
Áp dụng công thức công khai cho tài chính, khoản vay, tỷ lệ và quy đổi đơn vị.
Nguồn tham chiếu
Tham chiếu tiêu chuẩn công khai và thông lệ phổ biến theo quốc gia.
Giả định
Thuế, phí, lãi suất và giới hạn thay đổi theo khu vực/tổ chức.
Result Interpretation
Dùng kết quả như kịch bản chuẩn. Trước khi quyết định, đối chiếu báo giá thật và quy định thuế địa phương.
Thiết lập mặc định
Tiền tệ: VND
Đơn vị: metric
Mô hình thuế: US payroll estimate
Lưu ý pháp lý
Công cụ dùng preset theo khu vực để ước tính. Điều khoản thực tế và giới hạn pháp lý có thể khác theo tổ chức/địa phương.
Hành động đề xuất
- So sánh ít nhất 2-3 đơn vị địa phương trước khi chốt.
- Kiểm tra lại phí, thuế và điều khoản trả trước bằng văn bản.
- Chạy thêm kịch bản lãi suất +1-2% và thu nhập giảm.
Trước khi quyết định thực tế, hãy xác nhận điều kiện mới nhất tại địa phương.