Background & Objective: Research utilization is an important way to extent the knowledge in nursing practice. It empowers the nursing profession. Research utilization is a new paradigm in Iran&aposs nursing care. This study aimed to assess the extent of research utilization in nursing clinical practice in Tehran, Iran.

Methods & Materials: This is a cross-sectional study. The clinical nurses with at least one year of work experience were selected through a multistage stratified sampling method. They completed a five-sectioned self-report questionnaire. The scores were categorized into high, intermediate, and low. Data were analyzed using descriptive statistics and Chi-Square test in SPSS.

Results: Findings revealed that the research utilization in 66.9% of the nurses was low. There was significant relationships between the extent of research utilization and the level of education, professional condition, clinical setting, research activities, work shift, job satisfaction, and English language skills.

Conclusion: The majority of nurses&apos practice is not according to the research findings. We need to find appropriate strategies to enable us to utilize the research findings.