Runway Calculator
Know USA startup cash-out date in seconds. Enter $500k balance and $50k burn, get 10.0 months runway plus end month instantly offline with no signup plus raise-timing bands and extension levers for founders CFOs VCs freelancers and students across cash-planning workflows daily plus tranche-timing with cut-versus-grow choices for founders CFOs VCs freelancers and students across cash planning reviews daily.
See how many months your startup cash lasts using balance and monthly burn with this free runway calculator, including the end date.
Calculator Inputs
About Runway
Know USA startup cash-out date in seconds. Enter $500k balance and $50k burn, get 10.0 months runway plus end month instantly offline with no signup plus raise-timing bands and extension levers for founders CFOs VCs freelancers and students across cash-planning workflows daily plus tranche-timing with cut-versus-grow choices for founders CFOs VCs freelancers and students across cash planning reviews daily.
Balance/burn. $500k/$50k =10mo. Count to month for board.
Good: 12-18mo ideal, 6mo raise now, <3mo bridge/cut.
Extend: Cut 20% or +revenue adds months fast.
Privacy: Local.
Limits: Flat burn, no growth.
Raise timing: Austin founders timing $3M extensions start conversations at nine months, term sheets by six. Miami VCs monitoring $20M portfolios flag sub-six-month companies monthly on 09/22/2026.
Hiring freezes: Chicago CFOs freezing $2M hiring plans at six months extend life without layoffs. New York boards demanding $90M path clarity tie tranches to milestones.
Freelance buffers: Denver freelancers buffering $30,000 dry spells compute personal runways identically. Seattle students modeling cases learn cash discipline before code.
Band reading: Twelve to eighteen months ideal, six means raising now, under three means bridge or cuts this week.
Extension levers: Twenty percent cuts or early revenue both add months fast — model both before choosing pain.
Raise windows: Austin founders timing $3M extensions start conversations at nine months, term sheets by six. Boston labs stretching $4M grants align spend to milestone calendars on 09/22/2026.
Freeze triggers: Chicago CFOs freezing $2M hiring plans at six months extend life without layoffs. Phoenix restaurants surviving $200,000 slow seasons cut hours before staff.
Portfolio flags: Miami VCs monitoring $20M portfolios review sub-six-month companies monthly. New York boards demanding $90M path clarity tie tranches to milestones.
Personal runways: Denver freelancers buffering $30,000 dry spells compute personal burn identically. Seattle students modeling cases learn cash discipline before code.
Band literacy: Twelve to eighteen months ideal, six means raising now, under three means bridge or cuts this week.
Where it is used
Founders timing raise, CFOs freezing hires at 6mo, VCs monitoring portfolio, freelancers buffer planning, and students modeling cases Austin founders time $3M raises, Chicago CFOs freeze $2M hiring at six months, Miami VCs monitor $20M portfolios, Denver freelancers buffer $30,000 dry spells, Seattle students model $0 startup cases, and New York boards demand $90M path clarity Austin founders time $3M raises, Chicago CFOs freeze $2M hiring at six months, Miami VCs monitor $20M portfolios, Denver freelancers buffer $30,000 dry spells, Seattle students model startup cases, New York boards demand $90M path clarity, Boston labs stretch $4M grants, and Phoenix restaurants survive $200,000 slow seasons.
How to use the Runway
- Cash Balance — enter the value (e.g. 500000).
- Monthly Burn — enter the value (e.g. 50000).
- Calculate — press the Calculate button to see the result instantly above.
Formula
months = cash balance / monthly burn; end date = today + months.
Examples
Seed runway
Tight runway
Healthy
Frequently Asked Questions
- Good runway?
- 12-18 months ideal. 6 raise, 3 emergency.
- End date?
- Today + months. 10mo Sep = Jul next.
- Burn change?
- Re-run monthly. Hires spike burn.
- Include revenue?
- Use net burn (out-in) for true.
- Negative?
- Burn >0 required. Profit = infinite.
- Private?
- Yes. Browser-local.