Why Single Metrics Fail: A Four-Dimensional Framework for Valuing Internal Tools

Single metrics like ARR, SaaS replacement costs, and usage hours each miss critical dimensions of internal software value. This methodology acknowledges that composite tools blend code assets, data patrimony, user productivity, and strategic optionality—requiring simultaneous measurement across all four dimensions rather than reducing to one. Essential for organizations justifying investments in mission-critical internal tools with no market equivalent.