This document discusses ways to measure the impact of volunteering. It explores evaluating volunteer programs in terms of outcomes for programs, volunteers, and communities served. Key points include: tracking outcomes beyond just numbers of volunteers and hours; outcomes tell what has changed as a result of activities; and outcomes are important to show organizational support and value of volunteer programs. Challenges to measurement include lack of skills, capacity and tools to evaluate. The document provides examples of outcome measures and processes for determining, measuring, analyzing and reporting outcomes to make improvements.