Calculators that stay in your browser.
Useful calculators for nonprofit teams, free to use with no account. Everything runs in your browser, so your numbers stay yours.
The toolbox
7 tools, no sign-up
Donor Retention Calculator
Find your donor retention rate, see how you compare to the sector, and watch what a small lift is worth over five years.
Open toolSoftware Cost Comparison
See how a per-contact CRM bill climbs as you grow, and what flat modular pricing saves you over five years.
Open toolEvent ROI Calculator
Set your costs and ticket price to find your break-even guest count and projected net from a fundraising event.
Open toolDonor Lifetime Value
Turn an average gift into what a donor is really worth over the years they keep giving.
Open toolGrant Readiness Quiz
Answer ten quick questions to score how ready your nonprofit is to win its next grant, with a tailored next-step list.
Open toolOverhead Ratio Calculator
Enter your expenses to find your program and overhead ratios, and see how charity raters would read them.
Open toolValue of Volunteer Time
Turn logged volunteer hours into a dollar value and a full-time-equivalent figure for your annual report.
Open toolGet started
Run the whole org in one place.
The same math, wired to your live data, is built into the modules. 14-day free trial, no credit card.