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Detailed calculation method of loan interest
How to calculate the interest on bank loans?

Bank loan interest will be comprehensively evaluated according to loan types, credit status, guarantee methods and other factors, and then float on the benchmark interest rate announced by the central bank.

First, the central bank's benchmark interest rate for RMB loans:

Within 1 and 1 year (inclusive), the annual interest rate is 4.35%.

2. 1-5 years (inclusive), with an annual interest rate of 4.75%.

3, more than 5 years, the annual interest rate is 4.9%.

Second, the calculation method of bank loan interest, the average capital repayment method, is based on the average distribution of the total loan principal to each repayment period, and the interest is calculated according to the remaining arrears.

1, monthly payment = (loan principal ÷ repayment months) (loan principal-accumulated repaid principal amount) × monthly interest rate;

2. Monthly repayable principal = loan principal ÷ repayment months;

3. Monthly interest payable = residual principal × monthly interest rate = (loan principal-accumulated principal repayment amount) × monthly interest rate;

4. Decreasing monthly payment = monthly repayable principal × monthly interest rate = loan principal ÷ repayment months × monthly interest rate;

5. Total interest = [(total loans ÷ repayment months × monthly interest rate) total loans ÷ repayment months ×(65438+ 10 monthly interest rate)] ÷ 2 × repayment months-total loans;

6. Monthly interest rate = annual interest rate ÷ 12.

Precautions:

1, the level of bank loan interest is very important, so you should choose the bank loan that suits you according to your own economic strength.

At the same time, you can also calculate the monthly repayment amount when you apply for a loan in the future, so that you can plan the loan amount reasonably according to your own situation.

How to calculate the interest on bank loans?

Calculation method of bank loan interest: Generally, compound interest is calculated on a monthly basis. There are two ways to repay by installments: one is equal principal and interest, and the other is average capital.

The specific formula is as follows:

Matching principal and interest: monthly repayment amount = [loan principal × monthly interest rate× (1interest rate) repayment months ]≤[( 1 interest rate) repayment months].

Average fund: monthly repayment amount = (loan principal/repayment months) (principal-accumulated amount of repaid principal) × monthly interest rate.

Generally speaking, the interest rate formula for calculating interest mainly includes:

Monthly interest rate = annual interest rate/12, daily interest rate = annual interest rate /360.

According to different repayment methods, the algorithm of interest is also different, but the basic algorithm is as follows:

Current month loan interest = the monthly interest rate of the remaining loan principal last month.

Principal paid in the current month = repayment amount in the current month-loan interest in the current month.

Last month's remaining principal = total loan-accumulated repaid principal.

Equal principal and interest repayment method: that is, the sum of loan principal and interest is repaid in equal amount every month. Most banks have adopted this method for housing provident fund loans and commercial personal housing loans. So the monthly repayment amount is the same.

Average capital repayment method: that is, the borrower repays the loan in every installment (month) during the whole repayment period, and at the same time pays off the loan interest from the previous trading day to the repayment date. In this way, the monthly repayment amount decreases month by month.

Pay interest on a monthly basis, and repay the principal at maturity: that is, the borrower repays the loan principal in one lump sum on the loan maturity date (applicable to loans with a term of less than one year (including one year)), and the loan bears interest on a daily basis, and the interest is repaid on a monthly basis.

Repay part of the loan in advance: that is, the borrower can repay part of the loan amount in advance when applying to the bank. The general amount is an integer multiple of 10000 or 10000. After repayment, the lending bank will issue a new repayment plan, and the repayment amount and repayment period will change, but the repayment method will remain unchanged, and the new repayment period shall not exceed the original loan period.

Repay all the loans in advance: that is, the borrower can repay all the loan amount in advance when applying to the bank. After repayment, the lending bank will terminate the borrower's loan and handle the corresponding cancellation procedures.

Borrow and pay back: interest is calculated daily after borrowing, and interest is calculated daily. You can pay the money in one lump sum at any time without any penalty.

How to calculate the interest on bank loans?

Interest = principal × interest rate× loan term

As you said, the loan is 200,000 yuan, with the monthly interest rate of 0.7 1% and the monthly interest payable of 2,000,000.71%1=1420 yuan.

The annual interest rate is 0.71%12 = 8.521%.

The loan is 200,000 yuan, the term is 1 year, the annual interest rate is 8.52 1%, and the annual interest is 200,000 yuan 8.52 1% 1 year = 17042 yuan.

The interest rate of savings deposits shall be stipulated by the state and promulgated by the People's Bank of China. Interest rate, also known as interest rate, is the ratio of interest to principal on a certain date, which is generally divided into annual interest rate, monthly interest rate and daily interest rate. The annual interest rate is expressed as a percentage, the monthly interest rate is expressed as one thousandth and the daily interest rate is expressed as one thousandth. If the annual interest rate of 9% is written as 0.9%, that is to say, every thousand yuan deposit will get a regular annual interest rate of 9 yuan, and the monthly interest rate of 6% is written as 6‰, that is, the monthly interest rate of every thousand yuan deposit is written as 6 yuan, and the daily interest rate is written as 1.5‰, that is, the daily interest rate of every thousand yuan deposit is 65438+50 0 yuan. At present, savings deposits in China are listed at the monthly interest rate. In order to facilitate interest calculation, three kinds of interest rates can be converted, and the conversion formula is: annual interest rate ÷ 12= monthly interest rate; Monthly interest rate ÷30= daily interest rate; Annual interest rate ÷360= daily interest rate.

The interest calculation formula is mainly divided into the following four situations. First, the basic formula for calculating interest. The basic formula for calculating the interest of savings deposits is: interest = principal × deposit period × interest rate;

The second is the conversion of interest rate, in which the conversion relationship among annual interest rate, monthly interest rate and daily interest rate is: annual interest rate = monthly interest rate × 12 (month) = daily interest rate ×360 (day); Monthly interest rate = annual interest rate ÷ 12 (month) = daily interest rate ×30 (days); Daily interest rate = annual interest rate ÷360 (days) = monthly interest rate ÷30 (days). In addition, the use of interest rates should be consistent with the deposit term;

III. Starting point of interest calculation formula, 1, starting point of interest of savings deposit is RMB, and no interest is paid for points below RMB; 2. The interest amount shall be calculated to one decimal place and rounded to one decimal place when actually paid; 3. Except for current savings, which are settled on an annual basis and interest can be converted into principal, all other savings deposits, regardless of the duration, are paid with the principal at the time of withdrawal, excluding compound interest;

Fourth, the calculation of the deposit period is in the interest calculation formula, 1, and the calculation of the deposit period adopts the method of not counting the first number and the last number; 2. Every month is counted as 30 days, regardless of big month, small month, flat month and leap month, and every year is counted as 360 days. 3. The maturity date of all kinds of deposits shall be calculated annually and monthly. If the account opening date is the missing date of the due month, the last day of the due month is the due date.

1. When calculating interest, the number of days of deposit is calculated at the beginning, not at the end, that is, from the date of deposit to the day before withdrawal;

2, regardless of leap year, average year, regardless of the size of the month, 360 days a year, 30 days a month;

3. Calculated by year, month and day, the maturity date of various time deposits shall be subject to year, month and day. That is, from the deposit date to the same day of the following year is a pair of years, and the deposit date to the same day of next month is a pair of months;

4. Maturity date of time deposit. For example, if you don't work on legal holidays, you can withdraw one day in advance and calculate interest at maturity. The procedure is the same as that of early withdrawal.

The calculation formula of interest: principal × annual interest rate (percentage) × deposit period.

If the interest tax is X (1-5%)

Total principal and interest = principal interest

The calculation formula of accrued interest is: accrued interest = principal × interest rate × time.

Accrued interest shall be accurate to two decimal places, and the number of interest-bearing days shall be calculated according to the actual holding days.

PS: The deposit period should correspond to the interest rate, not necessarily the annual interest rate, but also the daily interest rate and the monthly interest rate.

I. Basic formula for calculating interest The basic formula for calculating interest on savings deposits is: interest = principal × deposit period × interest rate.

II. Conversion of Interest Rate The conversion relationship among annual interest rate, monthly interest rate and daily interest rate is: annual interest rate = monthly interest rate × 12 (month) = daily interest rate ×360 (days); Monthly interest rate = annual interest rate ÷ 12 (month) = daily interest rate ×30 (days); Daily interest rate = annual interest rate ÷360 (days) = monthly interest rate ÷30 (days). Pay attention to the consistency with the deposit period when using interest rates.

Third, the starting point of interest calculation

1. The value point of the savings deposit is RMB yuan, and no interest is paid for the points below RMB yuan.

2. The interest amount shall be calculated to one decimal place and rounded to one decimal place when actually paid.

3. Except that the current savings are settled on an annual basis and the interest can be converted into principal, regardless of the deposit period, the interest of other savings deposits will be paid off with the principal at the time of withdrawal, excluding compound interest.

IV. Calculation of Deposit Term

1, the term of deposit should be calculated at the beginning rather than at the end.

2, regardless of the big month, small month, flat month, leap month, every month is calculated as 30 days, and the whole year is calculated as 360 days.

3. The maturity date of all kinds of deposits shall be calculated on an annual and monthly basis. If the account opening date is the missing date of the expiration month, the expiration date should be the last day of the expiration month.

Five, the calculation of foreign currency savings deposit interest, foreign currency savings deposit interest rate in accordance with the interest rate announced by the People's Bank of China, the original currency savings, the original currency interest (secondary currency can be converted into RMB according to the foreign exchange rate of the day to pay). Its interest-bearing provisions and calculation methods are compared with RMB deposit methods.