This paper first describes the effect of earthquakes on the structure and what are the basic requirements that the structure must meet when designing and performing in an earthquake area. Then, some of the more important properties that have an influence on the magnitude of the effects of seismic action, such as mass, period of vibration, ductility, bearing capacity, etc., are described. The main part of the work begins with the development of seismic calculation - starting from linear calculation methods up to the use of non-linear calculation methods. The following is a detailed overview of calculations using the linear method - the method of lateral forces. The application of the method is described - for which structures it is applicable and the method of calculation - from the input data to the calculation of the total value of the transverse force of the structure. After the linear calculation method has been fully processed, the same is shown for the non-linear static calculation method - the pushover analysis. The pushover analysis method consists of 8 main steps that are covered in detail in this paper. In order to prove the differences in the calculation methods, the first method of gradual pushing was first done in the Seismostruct software with the starting model dimensioned by the basic period determined by approximate methods. With this calculation, a new value of the period was obtained by which the structure was dimensioned more rationally using the method of lateral forces. Internal forces and moments for calculation using the lateral force method were obtained in the Staad.Pro software. After the entire structure was re-dimensioned, the gradual pushing method was repeated.