How to calculate the original mortgage loan after selling a house?
Recently, the real estate market has continued to be hot, and many home buyers and sellers are concerned about mortgage calculations. Especially when selling a house, how to calculate the remaining mortgage loan, early repayment fees, etc. has become a hot topic. This article will combine the hot content on the Internet in the past 10 days to provide you with a detailed analysis of the calculation method of mortgage loan when selling a house, and provide structured data for reference.
1. Core issues in mortgage loan calculation when selling a house

When selling a house, the calculation of the mortgage mainly involves the following aspects: remaining principal, early repayment penalty, interest calculation method, etc. The following is the specific calculation method:
| Calculation project | Calculation formula | Example |
|---|---|---|
| remaining principal | Remaining principal = total loan amount - principal repaid | Loan of RMB 1 million, principal of RMB 200,000 has been repaid, and remaining principal is RMB 800,000 |
| Early repayment liquidated damages | Liquidated damages = remaining principal × liquidated damages ratio (usually 1%-3%) | The remaining principal is 800,000, and the liquidated damages ratio is 2%, so the liquidated damages are 16,000 |
| remaining interest | Remaining interest = Remaining principal × Interest rate × Remaining term | The remaining principal is 800,000, the interest rate is 5%, and the remaining term is 10 years, the remaining interest is 400,000. |
2. Key factors in mortgage calculation
Home loan calculations are affected by many factors. The following are the main factors and their impact:
| factors | degree of influence | Description |
|---|---|---|
| loan amount | high | The larger the loan amount, the greater the remaining principal and interest. |
| loan interest rate | high | The higher the interest rate, the higher the interest expense |
| repayment period | in | The longer the term, the greater the total interest expense, but the monthly payment pressure is smaller |
| Repayment method | in | Equal principal and interest and equal principal payments have different impacts on interest expenses |
3. Practical cases of mortgage loan calculation when selling a house
The following is a practical case to help you better understand mortgage calculations:
| Project | numerical value |
|---|---|
| total loan amount | 1 million yuan |
| loan term | 20 years |
| loan interest rate | 5% |
| Years of repayment | 5 years |
| remaining principal | About 800,000 yuan |
| Early repayment liquidated damages | 16,000 yuan (calculated as 2%) |
4. How to optimize mortgage expenses when selling a house
When selling your home, you can save a lot of money by planning your mortgage expenses properly. Here are some suggestions:
1.Understand bank policies in advance: Different banks have different penalty policies for early repayment, and some banks even waive penalty penalties.
2.Choose the appropriate repayment method: The equal principal payment method requires more principal repayment in the early stage, which is suitable for owners who plan to sell their houses in the short term.
3.Pay attention to interest rate changes: When interest rates drop, you can consider refinancing or negotiating a lower interest rate.
4.Calculate net income: Before selling a house, be sure to calculate the net income after deducting the mortgage, taxes, etc. to avoid losses.
5. Summary
The calculation of mortgage loan when selling a house involves many aspects such as remaining principal, interest, liquidated damages, etc., and factors such as loan amount, interest rate, term, etc. need to be comprehensively considered. Through the structured data and actual cases in this article, I hope it will help you understand the mortgage calculation method more clearly and make more informed decisions when selling your home.
If you have more questions, it is recommended to consult a professional financial advisor or bank account manager to obtain personalized solutions.
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