Free startup finance tools
- free tools on this site
- 1
- figures they ask you for
- 7
- answers they give back
- 7
- Payroll for startups, on the worked example
- 16
Every tool computes its answer on the page, free, with no account and no trial clock. Put in the startup's own numbers, the headcount, the salaries, the employer taxes and benefits, the other spend, the revenue and the cash, and the calculator prints the loaded payroll, the burn and the runway, with the method under each figure. Change any input and the answer updates as you type.
Every figure on this page is computed from the inputs you enter, by the method stated below it. Runwayze supplies two constants and cites both: the employer's share of Social Security and Medicare from IRS Topic 751 as the default payroll tax rate, and the FUTA rate and wage base from IRS Topic 759 in the notes. The defaults are a worked example, not a benchmark.
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Payroll for startups (Months of runway at this burn): 16, Runwayze, worked example.
Cite as: "Runwayze Startup Finance Tools", updated 2026-09-05, https://runwayze.com/tools/.