AIM: The aim of the present study is to evaluate the level of agreement and validation between the Periodontal Risk Assessment (PRA) and the Periodontal Risk Calculator (PRC).to know the efficacy of risk assessment for use in clinical perspective. MATERIALS AND METHODS: Periodontal risk was retrospectively assessed among 60 patients using PRA and PRC from the available data after thorough periodontal examination for a period of 1 year in Sree Balaji dental college Chennai. PRA by assessing probing pocket depths and bleeding on probing at six (PRA6) sites per tooth, PRC by permanently marking or unmarking the dichotomously selectable factors and statistical analysis was done to see if there is any correlation between PRA and PRC. RESULTS: Statistically it was analyzed by SPSS version 26. There was no statistically significant relation (p value 0.744) and kappa test was done for level of agreement between risk assessment there was no correlation found between the criteria that were considered to assess risk. CONCLUSION: PRA and PRC showed no agreement when compared to each other. Specific disease severity may result in improved agreement.