What is Runway
Time until money runs out
Runway — the amount of time a startup has before running out of money at the current spending rate. A critically important metric for planning fundraising.
Calculation Formula
Runway = Cash Balance / Monthly Burn Rate
Example
- Balance: $500,000
- Burn Rate: $50,000/month
- Runway: 10 months
Recommendations
- Minimum 12-18 months runway
- Start fundraising 6-9 months before zero
- Account for seasonal expenses
- Have a burn rate reduction plan
How to Extend Runway
- Cut expenses
- Increase revenue
- Raise investment
- Delay hiring
- Optimize marketing
Runway and Rounds
- Pre-seed: 12-18 months
- Seed: 18-24 months
- Series A+: 24+ months