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How to calculate the equal principal and interest repayment method
Calculation method of equal principal and interest repayment

[loan principal × monthly interest rate ×( 1+ monthly interest rate) repayment months ]=[( 1+ monthly interest rate) repayment months-1]

Taking the second-hand housing loan in Wuhan as an example, this paper explains how to calculate the lender's income under the condition of "equal principal and interest" repayment (rounding is adopted in the calculation).

Loan amount: 65,438+00,000.00 Yuan, annual interest rate: 65,438+02%, loan term: 36 installments, and monthly interest rate: annual interest rate/65,438+02 = 65,438+0%.

Interest = the remaining principal of the previous period x the monthly interest rate, and the remaining principal = the remaining principal of the previous period-the principal collected in this period (the remaining principal of the 0 period is the original loan amount).

the second question

The loan amount is RMB 200,000.00 Yuan, which is repaid by mortgage. The loan term is 65,438+00 years. Assuming that the loan interest rate is 5.8 14%, it is calculated according to the repayment method of equal principal and interest.

The monthly repayment amount is:

200000×[5.8 14%×( 1+5.8 14%)^ 120]÷[( 1+5.8 14%)^ 120- 1]=220 1.78

Total repayment amount is: 2201.78 *120 = 264213.60.

That is, the interest * * * is: 264213.60-200000 = 64213.60.

Extended data

Average capital plus interest

Matching principal and interest refers to a repayment method. Matching principal and interest means paying the same amount of loans (including principal and interest) every month during the repayment period. This is a concept different from average capital. Although the monthly repayment amount may be lower than the average capital repayment method at the beginning, the interest paid in the end will be higher than the average capital repayment method commonly used by banks.

Refer to Baidu Encyclopedia of Equal Principal and Interest.