The article deals with the problems of the qualimetry of giftedness caused by the lack of a conventional definition of the term giftedness and its quantitative criteria. The method of calculation of child giftedness’ level and the quantitative measure of its expression is offered. On the basis of the proposed technique, the difference between comprehensive and special giftedness is demonstrated. Proposals for realization of some trends of research in giftedness are provided with the aim of their comparison with the studies of various authors.