Material in chemistry learning will be easier to understand if students are able to represent it at three levels of representation, namely macroscopic, sub-microscopic and symbolic. This research aims to describe students' abilities in using various representations in class XI MIPA 1 hydrocarbon material at SMA Negeri 1 Sungai Kunyit. Students' thinking processes require various representations and various ways or steps to solve problems. The type of research used is quantitative descriptive research. The research instruments used included 9 two tier multiple choice objective test questions and an interview guide. This research involved 20 students of class XI MIPA 1 SMA Negeri 1 Sungai Kunyit. The research results show that overall, the average multi-representation ability of students is 29% in the poor category. At the macroscopic representation level, the average percentage obtained is 20% which can be classified as very poor. At the sub-microscopic level of representation, the average is 35% which is included in the poor category. Finally, at the level of symbolic representation the average percentage is 31% which is also included in the poor category.