Calculate funding needs based on runway: Monthly burn rate × 18-24 months = minimum raise. For seed rounds, $500K-2M is typical; Series A averages $10-15M. Formula: (Team salaries + Operations + Marketing + Buffer) × 18 months. Never raise less than 12 months runway—you'll be fundraising again immediately.
- 18-24mo
- target runway — IdeaProof Research 2026
- $1.5M
- median seed round — IdeaProof Research 2026
- $12M
- median Series A — IdeaProof Research 2026
- 20%
- recommended buffer — IdeaProof Research 2026
Calculate funding needs based on runway: Monthly burn rate × 18-24 months = minimum raise. For seed rounds, $500K-2M is typical; Series A averages $10-15M. Formula: (Team salaries + Operations + Marketing + Buffer) × 18 months. Never raise less than 12 months runway—you'll be fundraising again immediately. Add 20% buffer for unexpected costs. Use IdeaProof's Funding Calculator for precise estimates based on your business model.
Key Startup Funding Amount Takeaways
- Formula: Monthly burn × 18-24 months = minimum raise
- Seed rounds: $500K-2M typical range
- Series A: $10-15M average
- Never raise less than 12 months runway
- Add 20% buffer for unexpected costs
- Include: Salaries, operations, marketing, development
Sources & Citations
- [1]IdeaProof Research 2026
Cite this page
IdeaProof. (2026). How Much Funding Do You Need?. IdeaProof. Retrieved from https://ideaproof.io/questions/how-much-funding-neededLast verified: