Slow Month Survival Pack · Phase 01 Stabilise · March 2026

Survival Number & Runway Calculator

Enter your numbers below. Your survival number and runway update instantly. Use the What-If section to see how cutting specific costs extends your runway. Updated for March 2026 — tax rate defaults reflect current solo business guidance.

1
Enter your costs — fixed business expenses, personal minimum, and tax rate.
2
Enter your cash on hand — current balance across all accounts you'd use.
3
Add What-If rows — name a cost you could cut and see how it extends your runway.
01 Fixed Business Costs / Month
$
$
$
$
$
02 Personal Minimum & Tax
$
$
$
$

% of income set aside for tax (typically 25–30%)

Total across all accounts you'd draw on

$
Survival Number / month
$0
Minimum revenue needed to
keep business & life intact
Runway
0.0
months at current burn
–
Buffer Target
$0
2 × survival number — fund
this before increasing spend
Runway visualised (0 → 12 months)
0 1 2 3 6 9 12+
Enter your numbers above to calculate your runway.
Scenario Planning What-If: Cost Reduction Scenarios

Name a cost you could cut and enter the monthly saving. See how each reduction would change your survival number and extend your runway. Common Q1 2026 targets: AI tool subscriptions that duplicated after the 2024–25 adoption wave, lapsed SaaS tools, contractor arrangements that can be paused, or co-working memberships not being fully used.

No scenarios yet. Click "Add Scenario" to model a cost cut — for example, cancelling software or pausing a contractor.
SLOW MONTH SURVIVAL PACK Numbers reset when you close this page. Screenshot or print to save. · Last updated March 2026