Sales & marketing
Recurring customer churn projection Calculator
Model the original cohort and total customer base under monthly churn and acquisition. This free recurring customer churn projection calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Model the original cohort and total customer base under monthly churn and acquisition.
Calculated outcomes
- Total New Acquisitions
- 480
Assumptions and estimates
- Churn applies each month before that month's new customers join. Counts are expected values; constant churn, acquisition and no seasonality are assumed.
- Method: Original cohort = starting customers × (1 − monthly churn)^months. Monthly acquisitions join after churn is applied.
- Assumes constant churn and acquisition, without seasonality. Fractional counts represent expected values.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the recurring customer churn projection calculation works
Original cohort = starting customers × (1 − monthly churn)^months. Monthly acquisitions join after churn is applied.
Assumes constant churn and acquisition, without seasonality. Fractional counts represent expected values.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review projected customers and original cohort remaining and annual churn percent, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Starting customers
- 1000
- Monthly customer churn (%)
- 3
- Projection months
- 12
- New customers acquired monthly
- 40
- Projected Customers
- 1,102.05
- Original Cohort Remaining
- 693.84
- Annual Churn Percent
- 30.62%