Free Financial Modeling Tool

13-Week Cash Burn & Runway Calculator

Adjust your cash reserves, monthly revenue, monthly expenses, and expected growth rate to calculate your exact 13-week cash trajectory and zero-cash date.

Model Inputs

$
$
$
5% / mo
Monthly Net Burn Rate
-$20,000

Monthly Net Cash Deficit

Estimated Runway Horizon
12.5 Months

(54.1 weeks remaining)

13-Week Cash Runway SimulationRolling 90-Day Projection

HorizonWeekly Net ChangeProjected Cash Balance
Week 1-$4,619$245,511
Week 2-$4,489$241,152
Week 3-$4,359$236,923
Week 4-$4,229$232,823
Week 5-$4,099$228,854
Week 6-$3,969$225,014
Week 7-$3,839$221,305
Week 8-$3,710$217,725
Week 9-$3,580$214,275
Week 10-$3,450$210,956
Week 11-$3,320$207,766
Week 12-$3,190$204,706
Week 13-$3,060$201,775

Why Forward-Looking 13-Week Cash Modeling Matters

Standard Profit & Loss (P&L) statements only reflect historical accruals—they cannot warn you if payroll will fail next Friday due to delayed customer invoices. A dynamic 13-week cash forecast models actual weekly disbursements against cash inflows to preserve your business runway.

Automated Daily Feed Updates

CashFlowCalm syncs live bank feeds to update your 13-week cash model automatically.

CPA Scenario Stress-Testing

Test hiring decisions, inventory orders, and debt service with dedicated CPA oversight.

Get Automated 13-Week Runway Modeling

Replace static manual spreadsheets with CashFlowCalm’s continuous 3-layer AI + CPA cash forecasting engine.

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