HR automation consistently delivers 3–5x ROI within 12 months when applied to the right workflows. The calculation starts by quantifying what spreadsheets already cost — in error-correction time, compliance exposure, and recruiters doing data entry instead of hiring. Eight ROI drivers separate profitable automation from shelfware: time reclaimed, error elimination, faster hiring, compliance risk reduction, scalable onboarding, retention improvement, strategic capacity freed, and compounding efficiency gains.