Startup Runway Calculator

Enter your cash balance and burn rate. Get your cash-out date, months of runway, and the exact window to start your next raise.

Used by founders tracking cash between funding rounds

Block A — Cash position

$
$

Net burn = total expenses − monthly revenue. Need help calculating? →

Months of runway

20
Safe to grow

Cash out date

March 2028

Scenarios

Current trajectory20 mo

Cash-out: Mar 2028

If you cut costs 20%25 mo

Cash-out: Aug 2028

Enter a target raise above to model post-funding runway

12-month cash projection

$0$125K$250K$375K$500KJulSepNovJanMarMayJul
Current trajectory
20% cost cut

When should you start raising?

You have breathing room. Use this time to build investor relationships, not urgency. Start warm outreach in Mar 2027.

Build your Hockystick profile to reach investors faster →

How to use this calculator

01

Enter cash balance and net burn

Net burn is total expenses minus revenue. It is not gross spend. A startup spending $80K/mo with $30K MRR has $50K net burn — that is the number that matters.

02

Check all three scenarios

The current trajectory shows where you are heading without changes. The 20% cut scenario shows what aggressive cost discipline buys you. The post-raise scenario shows what your target round actually does to your runway.

03

Read the raise timing signal

The raise timing card tells you when to start, not when to close. Starting too late is the most common fundraising mistake — investors take 3–6 months and you need leverage, not desperation.

How runway is calculated

Frequently asked questions

Related tools

Runway is how long you have. Hockystick is how fast you move.

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