How do we measure the difference we make, when some of the most meaningful changes are the hardest to quantify?
For charities, measuring impact is both a responsibility and a conundrum. We need evidence to understand what works, numbers to demonstrate progress, and evaluation to ensure that the resources entrusted to us are making a difference. Yet, in our pursuit of rigour, we must be careful not to lose sight of the bigger picture.
Because impact is not always as straightforward as it seems.
Consider the experience of a holiday. For someone who travels regularly, a few days away might be a welcome break. For someone who has never left their hometown, the same experience could be life-affirming, opening up new possibilities, building confidence, and changing how they see themselves and the world. The experience might look identical on paper, but its meaning and impact are profoundly different.
This is where equity matters. Impact cannot be understood without considering where people start, the barriers they face, and what becomes possible as a result. Measuring outcomes without understanding context risks overlooking the very difference a charity exists to make.
Then there are the intangibles: belonging, hope, dignity, connection, confidence and the quiet shift in someone’s sense of what is possible. These are often the hardest things to measure, yet they can be among the most profound outcomes of charitable work.
We can count how many people attended a programme, how many received support, or how many achieved a particular outcome. But how do we measure the moment someone begins to believe in themselves again? Or the confidence that carries them through a difficult year? Or the possibility planted today that might only bear fruit a decade from now?
And this brings us to the question of attribution.
In our efforts to demonstrate impact, we often try to isolate the contribution of a single intervention, organisation or investment. This is understandable: funders and charities need to know what works and where resources make a difference. But can attribution sometimes become reductionist, a little like trying to put a price on a tree?
A tree has a measurable economic value: its timber, its carbon absorption, perhaps the shade it provides. But what of the birds that nest in its branches, the memories made beneath it, the comfort it offers on a difficult day, or the generations who will sit beneath it long after we are gone? The value of the tree is real, but our measurements can never fully capture it.
Perhaps the same is true of charitable impact. Imagine standing beside a fountain, a lake or a forest, experiencing a moment of peace, wonder or connection. Could we really apportion the joy of that moment between the fountain, the water, the trees, the people who cared for the place, and the circumstances that brought us there? Would we need to calculate each contribution to acknowledge that the experience mattered?
Much of the change charities help create is similarly collective. It emerges through relationships, communities, public services, families, funders and the contributions of many organisations over time.
Perhaps we need to become more comfortable with collective attribution, recognising our contribution to change without pretending that we alone created it.
This becomes especially important for charities that are ahead of the curve. When an organisation is challenging established thinking or imagining a different future, demonstrating its impact can be particularly difficult. It is like cutting through a fog formed by the existing status quo. The path ahead is not yet clearly visible, and the destination may not even have a recognised measure.
How do we evidence something that has not yet become widely understood? How do we demonstrate the value of a possibility before it becomes an accepted reality?
For these charities, the work of sustaining a vision matters just as much as the work of proving immediate results. This does not mean abandoning evidence or accountability. It means recognising that some forms of progress require us to look beyond what can be demonstrated today, while continuing to learn, adapt and test our assumptions.
Perhaps the answer lies not in choosing between the nebulous and the quantifiable, imagination and immediacy, or qualitative and quantitative evidence, but in learning to dance between them.
Stories can bring impact to life. Numbers can offer a sense of scale, reach and progress. Qualitative evidence can help us understand why something matters, while quantitative evidence can reveal patterns, disparities and changes over time. Together, they provide a richer picture, but even then, they only tell part of the story.
The challenge is to use evidence not simply to justify what we have already done, but to learn what we might do better, understand whose needs remain unmet, and make wiser choices about the future.
What if the ultimate purpose of measuring impact were not just to prove our individual worth, but to enable collective learning and growth as a society?
Rigorous evaluation matters. Accountability matters. And so does our ability to recognise the limits of what we measure. We need evidence that helps us understand the difference we make, alongside the humility to acknowledge what we cannot yet see.
Because meaningful impact is not only about delivering measurable outcomes today. It is about delivering them equitably, working collaboratively, and sowing seeds whose value may only become visible to future generations. Some of those seeds will grow into outcomes we can count. Others will change lives in ways we may never fully know.
Our responsibility is to keep measuring, keep learning and keep asking difficult questions, without allowing the things we can count to eclipse the things that count.
After all, the future we are working towards may be shaped, in part, by the very things we cannot yet measure.
Here’s to co-creating impactful futures together!
Image source: Istock photos
