Startup Runway Calculator

How long can your startup survive? Enter your cash balance, burn rate and revenue to see exactly how many months you have β€” and what you can do to extend it.

πŸ‡³πŸ‡¬ Nigeria πŸ‡°πŸ‡ͺ Kenya πŸ‡ΏπŸ‡¦ South Africa Scenario Planning Free
Cash & Revenue
Monthly Costs (Burn)
Total Monthly Costs ₦ 0
Runway Analysis
β€”
Months of Runway
β€”
β€”
Gross Burn / Month
β€”
Net Burn / Month
β€”
Cash Zero Date
β€”
Revenue Gap
FAQ
What is startup runway?

Runway is the number of months a startup can operate before running out of cash β€” assuming current burn rate and revenue remain constant. It's the most important survival metric for early-stage startups. Most investors want to see 12–18 months of runway before investing.

What's the difference between gross burn and net burn?

Gross burn is your total monthly expenditure β€” all costs before any revenue. Net burn is gross burn minus revenue. If you spend ₦2M/month and earn ₦800k/month, your net burn is ₦1.2M/month. Runway is calculated using net burn.

How do African startups typically extend runway?

Common strategies include: negotiating deferred salaries with equity compensation, moving to cheaper co-working spaces, pausing non-critical marketing spend, renegotiating vendor contracts, pursuing revenue-based financing (common in Nigeria via Capiblock or Carbon), or raising a bridge round from angels in the ecosystem.

What runway should I target before raising funding?

Aim for at least 18 months post-raise. Fundraising in Africa typically takes 3–9 months, so if you have less than 9 months of runway, start fundraising now. Lagos, Nairobi and Cape Town-based founders benefit from being close to investor networks.

How to Extend Runway

Immediate Actions

  • Audit all SaaS subscriptions β€” cancel unused tools
  • Renegotiate office rent or move to co-working
  • Pause paid ads if CAC is not justified
  • Offer equity top-ups in exchange for salary deferrals
  • Switch cloud providers or downgrade tiers

Revenue Acceleration

  • Focus sales on annual prepaid deals (boost cash immediately)
  • Reduce payment terms from 30 to 7 days
  • Upsell/cross-sell existing customers (zero CAC)
  • Launch a "lifetime deal" to inject cash

Runway Red Zones

πŸ”΄ < 3 months β€” Critical. Fundraise immediately or cut to skeleton crew.
🟑 3–6 months β€” Caution. Start fundraising conversations now.
🟒 6+ months β€” Healthy. Execute and track monthly.

Disclaimer: Runway calculations are estimates based on your inputs. Actual cash position may differ due to irregular expenses, receivables delays, or tax obligations. Always maintain a real-time cash flow ledger.