Program Efficiency Ratio Calculator

BBB Wise Giving Alliance's Standards for Charity Accountability (Standard 8: Program Expenses) set 65% of total expenses on programs as the benchmark most watchdog groups and donors use, so a ratio at or above that threshold signals the organization is spending the bulk of its budget on its mission rather than overhead. Ratios above roughly 90% can also draw scrutiny, since a nonprofit needs some administrative and fundraising capacity to operate sustainably and grow.

The efficiency ratio only divides Program Expenses by Total Expenses (Program plus Admin plus Fundraising) -- Total Revenue never enters that formula. Instead, Total Revenue feeds Cost per $1 Raised and Operating Margin, so a nonprofit can run a strong 90%+ program ratio while still posting an operating deficit if revenue falls short of total spending, and the ratio alone won't reveal that gap.

Only approximately. It divides Fundraising Expenses by Total Revenue rather than by funds actually generated through solicitation, so organizations with meaningful program-service fees, grants secured outside the development office, or investment income mixed into total revenue will see an artificially low cost-per-dollar figure. Treat it as a rough efficiency signal, not a precise return-on-fundraising-investment calculation.

The calculation floors the surplus figure at zero before converting it to a reserve length, so a deficit always reads as "no operating cushion" rather than a negative number of months. That's a deliberate simplification -- it tells you the organization has no buffer, but it won't show how deep the shortfall actually runs; check Total Expenses against Total Revenue directly for that.