Free tool

Subscription churn impact calculator

Model the 12-month subscriber and revenue impact of cutting involuntary churn — recoverable revenue from fixing dunning, retry, and card-expiry flows.

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Step 1

Involuntary churn

Step 2

Revenue math (optional)

Step 3

12-month projection

Δ 4.5 pts churn

Current trajectory

3,814

subs in 12 months

4,186 churned over 12 months.
Avg lifetime: 12.5 months.

Target trajectory

5,745

subs in 12 months

2,255 churned over 12 months.
Avg lifetime: 28.6 months.

Recovered subscribers (year 1)

1,931

Recovered annual revenue

$1,274,460

At $60 × 11 orders / sub / year.

How we compute: standard cohort decay, subs(n+1) = subs(n) × (1 − churn) + monthly net add. Avg lifetime ≈ 1 / monthly churn. Recovered revenue is the additional subscribers retained × annual order value.

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About this tool

Inputs you already know — current active subs, current monthly involuntary churn rate, target churn rate, AOV. Output: 12-month subs on current vs target trajectory, recovered subs, and recovered revenue. The math is the cohort decay model we use in subscription audits.

  • Current vs target trajectory over 12 months
  • Recovered subscribers and recovered revenue from a churn fix
  • Average customer lifetime under each scenario
  • No email gate; works in-browser