In the midst of a mounting imperative to achieve better and more substantial results, grantmakers of all kinds are shifting the way they think about scale, emphasizing not size or reach but impact. Growing impact doesn't necessarily require organizational growth or the wholesale replication of programs — it may instead require expanding an idea, technology, advocacy or policy change. To grow impact is not to go it alone. It requires strategy, planning, collaboration and intentional investment. This piece covers approaches to growing impact and practices grantmakers can use to best support these efforts on the part of nonprofits.