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Startup Growth Calculator

Model how customers, revenue, churn, and acquisition costs affect startup growth.

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Assumptions

How many customers you start with

Flat number of new customers each month

12 months

Percentage of current customers lost each month


NamePriceShare
£
%
Shares sum to 100%Blended ARPU: £29

£

Cash in the bank at month 0 — drives the runway calculation



Events

Schedule changes that kick in at a specific month — hires, price rises, launches, retention improvements. Use Add event in the top bar.

Customer Growth

End-of-Period Customers98after 12 months
Monthly detail12 months
MonthCustomersNew
110
2188
3268
4348
5428
6508
7588
8668
9748
10828
11908
12988