Burn Rate & Runway Calculator

Runway is how many months your cash lasts at your current net burn — the number every startup watches.

Your details

Cash on hand$Monthly expenses$Monthly revenue$

Runway (months)

Net monthly burn: $50,000.00
Runway (years): 0.83

Runway (months)10

Formula

Net burn = monthly expenses − monthly revenue. Runway = cash on hand ÷ net burn.

Sources & methodology

•U.S. SBA — business guides — U.S. SBA

Last updated: 2026-07-20

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