Running on empty

The number nobody has time to think about

You can probably name your bank balance. Now ask how many months it would cover if the grants stopped. That's a harder question.

That second number is your runway. It's the one that decides whether a bad month is a scare or an ending.

There's no single right number for it. Each nonprofit needs to set its own reserve level, says the National Council of Nonprofits. A board can write that level into a reserves policy.

Many nonprofits run thin. In the Nonprofit Finance Fund's 2025 survey of 2,206 nonprofits, 52% had three months of cash or less. And 18% had a month or less. Only 1 in 5 had more than six months, the lowest share the survey has seen in ten years (Nonprofit Finance Fund).

Why thin runway and thin fundraising are the same problem

Here's the trap. When money is tight, every hour goes to delivering the work and chasing the next grant. None goes to building a steady base of your own donors. So the funding stays concentrated in a few sources. And concentrated funding is fragile funding.

This isn't hypothetical. In early 2025, one in five nonprofits (21%) lost at least some government money. That comes from a national survey of charities with budgets of $50,000 or more (Urban Institute, October 2025). One line item on someone else's budget changes, and your floor moves.

What runway actually buys you

Reserves aren't hoarding. A few months of cushion buys the one thing a fragile org never has: the ability to say no. No to the grant that doesn't fit. No to the panic hire. No to the program you can't sustain. Runway is how a mission keeps its footing when a funder changes its mind.

Building the muscle before you need it

You can't save your way to a reserve overnight. But you can start the habits that make one possible.

Know your real monthly cost. One number: what it takes to keep the lights on for a month. You can't build runway you haven't measured.

Start a recurring-gift ask. Ten donors at $20 a month is not a rounding error. It's the start of money that doesn't depend on a grant cycle.

Widen the base a little at a time. A supporter who gives for the mission, not because they know you, is a hedge against the day a big funder walks.

Protect a sliver of unrestricted money. Restricted grants pay for programs. Unrestricted dollars pay for the rent and the reserve. Ask for them on purpose, from donors and from funders who give unrestricted grants.

Ember's Budget app keeps restricted and flexible money apart, program by program. It flags any program that has spent past its restricted funds.

The point

Running out of money can end a nonprofit. A slow squeeze gives you warning, and a little runway and a wider donor base give you room to act. Build the cushion while things are calm. Future you, on a hard month, will be grateful.

Sources: National Council of Nonprofits, Operating Reserves for Nonprofits (reserve guidance); Nonprofit Finance Fund, 2025 State of the Nonprofit Sector Survey, 2,206 nonprofits surveyed January to March 2025 (months of cash); read 24 September 2026; Urban Institute, How Government Funding Disruptions Affected Nonprofits in Early 2025, October 2025, a national survey of charities with budgets of $50,000 or more (government funding losses), read 27 September 2026.