Free tool

SaaS Growth Calculator

Model subscription revenue, cash burn, acquisition sensitivity, and unit economics across base, bear, and bull cases.

Subs needed409to hit MRR goal
New paid / mo10after funnel
Months to goal48+ monot reached
Net margin @ goal53.9%£10,773 / mo
Blended CAC£300goal £20,000 MRR

Base Case

Goal MRR
£20,000
Months to goal
48+ mo
New subs/mo
10
Net margin
53.9%
LTV:CAC
5.4x
Runway
9 mo

Bear Case

Goal MRR
£20,000
Months to goal
48+ mo
New subs/mo
2
Net margin
61.4%
LTV:CAC
0.7x
Runway
9 mo

Bull Case

Goal MRR
£20,000
Months to goal
11 mo
New subs/mo
42
Net margin
38.9%
LTV:CAC
22.9x
Runway
Safe

Subscriber growth

03617231,0841,445NowM6M12M18M24M30M36M42M48
Base CaseBear CaseBull CaseGoal

Monthly recurring revenue

£0£17,695£35,391£53,086£70,781NowM6M12M18M24M30M36M42M48
Base CaseBear CaseBull CaseGoal

Acquisition funnel (active scenario, per month)

Marketing budget
£3,000/mo
Leads generated
100
Trials started (40%)
40
Paid conversions (25%)
10