Calicut University divided 3 formulae for converting CGPA to percentage, one for students whose percentage falls between 40-90%, one for percentage between 90-100 and another for percentage less than 40%. Based on that, for Candidates whose percentage lies between 40-90%,, the formula to convert CGPA to percentage is 40+(CGPA-0.5) X 10. For percentages between 90-100% the formula is 90+(CGPA-5.5) X 20.