PURPOSE: To assess the psychometric properties of the Turkish version of the Self-care of Hypertension Inventory (SC-HI) among older adults with hypertension. DESIGN: This was a methodological study. METHODS: The study sample enrolled 176 older adults. The study carried out preliminary psychometric analyses. FINDINGS: Item-level content validity index ranged between 0.87 to 1.0, and the index of content validity was 0.98. The Cronbach's α for the total scale was 0.84. CONCLUSION: The cross-cultural adaptation of SC-HI has been realized successfully in Turkish. CLINICAL EVIDENCE: Health care providers may utilize the scale to evaluate "older individuals" hypertension self-care abilities.