Knowing which recruitment actually works

Volunteer recruitment metrics are the measures that show which efforts produce volunteers who actually arrive. The essential four are time-to-fill, channel yield, application-to-first-shift conversion, and cost per recruited volunteer. Tracking inquiries alone is misleading, because it rewards reach while hiding where people are lost.

Most volunteer programs count two things: how many volunteers they have and how many hours those volunteers gave. Both are outcome numbers. Neither tells you what to do differently on Monday.

Four numbers worth the effort

Time-to-fill. How long from opening a role to a volunteer completing a first shift in it. Define the start and end precisely, then watch the trend rather than hunting for an external benchmark, because no credible one exists.

Channel yield. Not inquiries per channel. Volunteers per channel who completed a first shift. These two numbers routinely rank channels in opposite orders.

Application-to-first-shift conversion. The share of people who raised a hand and then arrived. If this is low, more recruitment mostly produces more leakage.

Cost per recruited volunteer. Include staff time, which is where the real cost sits and which almost nobody counts.

Together they tell you whether your problem is reach, persuasion, or follow-through. Those three have completely different fixes, and most programs guess.

Making the case to a board

Executive directors and boards think in capacity and cost. The standard bridge is converting volunteer hours into a dollar figure.

Independent Sector and the University of Maryland’s Do Good Institute put the 2025 value of a volunteer hour at $36.14, a 3.9% increase on the previous year. A program logging 20,000 hours can therefore describe roughly $720,000 in contributed labor.

Two cautions. Use it to communicate scale, not to claim you would otherwise have purchased that labor, because you would not have. And update the figure annually: it was $34.79 for 2024 and $33.49 for 2023, so a page citing an old number dates itself quickly.

The national picture gives that argument weight. Formal volunteers contributed 4.99 billion hours worth an estimated $167.2 billion between September 2022 and 2023.

The number that changes budgets

Boards rarely fund recruitment because it is described as an activity. They fund it when it is described as a constraint.

Independent Sector’s 2025 Health of the U.S. Nonprofit Sector report found 75% of nonprofits say volunteers are important to their operations and 52% call them very important or essential, while the share of Americans volunteering has slipped from 30% before the pandemic to 28% after it.

That is the shape of the argument: essential input, tightening supply, and a measurable cost per unit that you can now quote.

Articles in Measuring

The guide above is complete and stands on its own. Deeper articles on individual topics in this section are being published on a rolling basis. Thenewsletter is the simplest way to hear when they land, or start with the main recruitment guide.

Common questions

What volunteer recruitment metrics should I track?

Time-to-fill, yield by channel, the share of applicants who complete a first shift, and what each recruited volunteer costs you in time and money. Four numbers, tracked consistently, beat a dashboard nobody updates.

How do I calculate the value of volunteer hours?

Multiply hours contributed by a published hourly value for volunteer time, and cite the source and year. Use it as a communication device for boards and funders, not as a claim about labour you would otherwise have purchased.

What is a good volunteer recruitment conversion rate?

There is no credible benchmark, and any specific figure you see quoted is usually untraceable. Measure your own rate and watch the direction it moves.

How do I know which recruitment channel is working?

Ask every new volunteer how they heard about you, record it consistently, and compare channels on volunteers who completed a first shift rather than on inquiries received.