PROBLEM TO BE SOLVED: To provide a manufacturing cost calculation prediction system capable of acquiring information on a work site without imposing a burden on a worker and using it for cost calculation to improve the accuracy of cost prediction. SOLUTION: An input information acquisition unit 115 that accepts and acquires product information, material cost, indirect labor cost, and direct cost input of a product, a direct labor cost obtained from the working time of a worker who has performed the work, and a direct labor cost. Manufactured based on the site information acquisition unit 110, which acquires the direct cost obtained from the operation record information of the equipment 50, and the product information, material cost, indirect labor cost, direct cost, direct labor cost, and indirect cost. The cost calculation unit 116, which calculates the cost of the product and predicts the cost of the product to be produced based on the product information to be produced and the cost of the products produced so far, and the product information, material cost, and indirect labor. A manufacturing cost calculation prediction system 1 having a storage unit 12 for storing costs, direct costs, direct labor costs, indirect costs, calculated costs, and predicted costs. [Selection diagram] Fig. 2
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