Years of Potential Productive Life Lost (YPPLL) Calculator
Age Group No of Death Cases
Age From

Age Upto


Years of Potential Productive Life Lost (YPPLL): YPPLL estimates the number of productive years that a person would have lived in the absence of an event.



‘i’ represents ‘n’ age-gender cohorts; Di=deaths at age; wi=productive years remaining at age of death (years); d=discount rate for the value of life [as proposed by the Reserve Bank of India (RBI)].

The COVID DALY calculator is a free, open-source GUI for the calculation of disability-adjusted life years (DALYs), Years of Potential Productive Life Lost (YPPLL), Cost of Productivity Lost (CPL), Years of Potential Life Lost (YPLL), Premature Years of Potential Lost, Working Years of Potential Life Lost (WYPLL), and Value of Statistical Life (VSL), and the quantification of relates uncertainties. The calculator is developed in HTML environment for statistical computing. The main goal of the COVID DALY calculator is to provide a generic and easy-to-use tool for DALY calculations and it’s extensions, and to promote consistency in the uncertainty analysis of COVID DALYs. The results provided by this calculator will depend on the accuracy of the data inputs and will be the responsibility of the user.

This web-page tool is developed as a joint initiative between Center for Public Health Research, Great Lakes Institute of Management, Amrita Institute of Medical Sciences, Ramaiah University of Applied Sciences and University College London. Please direct any questions or comments to CPHR at cphr.mant@gmail.com

Citation: Centre for Public Health Research (CPHR). COVID DALY calculator (v1.5 last update 14 May 2023) Available from: http://coviddaly.cphr-mant.org