To work the other way, if I spend X over the year, then my estimate for how long the portfolio might last would be P / X. (monevator.com)
Writing a Very Long Resume Recruiters are not interested in long portfolios, resumes longer than single page are real waste of time and paper. (coverlettersandresume.com)
Based on the assumptions you entered, the results below show how long your portfolio would potentially last based on the rate of return and monthly income need you entered. (cfs4me.com)