Description: The article deals with the problems of labour-intensiveness estimation of work at the early stages of software creating taking into consideration a lot of factors in the conditions when the given information is limited. Methods of labour expenditures defining on the base of application package were considered. We paid special attention to the methods on the base of taking into consideration the number of code lines. The approach taking into account the stages of software creating life-cycle in section of main categories decomposition, stages of work and influencing factors is given.
Keywords: software, labour-intensiveness, amount of work, cost estimation methods