Burn rate is how quickly a startup spends cash. Gross burn is total monthly spending. Net burn subtracts revenue.

How much runway should a startup have?

Most experts recommend 12-18 months of runway. Less than 6 months is a red flag for investors and employees.

How do I reduce burn rate?

Focus on revenue growth, cut non-essential expenses, negotiate better vendor terms, and delay hires until product-market fit.

Free Burn Rate & Runway Calculator (2026)

16,500+

Runway Calculations

14.2 months

Average Runway

$45K

Median Burn Rate

78%

Success Rate

Burn Rate Calculator: Know Your Cash Runway

BigIdeasDB's free burn rate calculator shows you exactly how long your cash will last. Enter your expenses, revenue, and cash on hand to calculate net burn and runway in months -- essential for fundraising and financial planning.