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Glossary

Runway

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Related terms

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Burn Rate

Burn rate is how much cash your company spends each month. Gross burn is total expenses; net burn subtracts revenue.

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Non-Dilutive Funding

Non-dilutive funding is capital you receive without giving up equity. Grants, cloud credits, revenue-based financing, and competition prizes all qualify.

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501(c)(3) and fiscal sponsorship

A 501(c)(3) is a U.S. tax-exempt non-profit; a fiscal sponsor is an existing 501(c)(3) that lets a project receive tax-deductible donations and grants under its umbrella before the project incorporates on its own.

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Accelerator

An accelerator is a fixed-term, cohort-based program that invests a small amount in early-stage startups in exchange for equity, then runs intensive mentorship that ends with a demo day.

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Runway is the number of months your business can operate before running out of cash. The formula is:

runway (months) = cash on hand ÷ monthly net burn

If you have $300K in the bank and burn $30K per month, your runway is 10 months.

Why investors ask first

Runway tells an investor how much time pressure you're under. A founder with 18 months of runway is negotiating from strength; a founder with 3 months is negotiating from weakness. As a rule of thumb, raise when you have 9–12 months of runway left, because fundraising itself takes 3–6 months.

Watch the assumption

Runway is calculated against your current burn rate. If you plan to hire, or your contractor invoices spike during product launches, "runway at current burn" overstates your real timeline. Build a 12-month cash forecast that models the actual plan, not just the current month.