Calculation method of interest after the court decision takes effect: the calculation formula of court decision interest is divided into debt interest formula and delayed performance interest formula. 1, debt interest = debt principal × interest-bearing days × annual interest rate of bank loans in the same period /360 days; Among them, the interest-bearing days are from the due date determined by the judgment to the performance date determined by the judgment. 2. Interest for delayed performance = debt principal × interest-bearing days × maximum annual interest rate of bank loans in the same period ×2 times /360 days. After the judgment of the court, if the debtor fails to repay the debt within the time limit specified in the judgment document, it needs to pay double the interest on the debt during the delayed performance. 4. The debt interest during the period of delay in performance includes the general debt interest and double debt interest during the period of delay in performance.

legal ground

Article 260th of the Civil Procedure Law of People's Republic of China (PRC), if the person subjected to execution fails to perform the obligation to pay money within the period specified in the judgment, ruling or other legal documents, he shall pay double the interest on the debt during the delayed performance. If the person subjected to execution fails to perform other obligations within the period specified in the judgment, ruling or other legal documents, he shall pay the delay in performance.