In modern conditions agricultural enterprises activity is affected by the organization of management, which provides economic independence of business entities, their competitiveness and return on production costs. In turn, the effectiveness of management is affected by the efficiency and adequacy of accounting information, which is received by the administrative and management personnel. The term of calculation, due to its versatility, is of a great interest on the part of scholars and practitioners. On the one hand, calculation is represented as a set of techniques of analytical accounting of expenses for production and calculation of the cost of production, on the other hand, it is presented as a component of cost accounting. All this shows, that this term includes various aspects, related to the development and acquisition of information about the production process, its costs and results. This information is undoubtedly important with the development of production activities of agricultural organization. Despite the rather close attention to the issues of cost accounting and calculation of the cost of agricultural production, there is a need to study in detail and further improvement of cost accounting and calculation of the cost of agricultural production in the management system of agricultural organization. The paper deals with the selection of objects for accounting of production, calculation facilities and calculation units in horse breeding. A method of calculating the cost of horse-breeding products was also provided. Simultaneous use of modern information technology will significantly reduce labor costs, compared to manual processing of accounting information