Calculating your list growth rate is straightforward once you know the Email List Growth Rate formula and what each input means. This guide explains the method in plain language, walks through a manual calculation, and gives worked examples you can follow — then you can do it instantly with the Email List Growth Rate Calculator.
What is Email List Growth Rate?
The Email List Growth Rate calculation tells you your list growth rate from a few simple inputs. The figure you are solving for here is the list growth rate, expressed in percent.
The Email List Growth Rate formula
The core formula is:
List growth rate = (New subscribers - Unsubscribes) ÷ Total subscribers × 100Here is what each input means:
- New subscribers — a number. Example: 500.
- Unsubscribes — a number. Example: 100.
- Total subscribers — a number. Example: 10,000.
How to calculate it step by step
- Write down the new subscribers (for example, 500).
- Write down the unsubscribes (for example, 100).
- Write down the total subscribers (for example, 10,000).
- Apply the formula above to get your list growth rate.
- Double-check the result with the Email List Growth Rate Calculator.
Worked examples
Example 1
| Input / Output | Value |
|---|---|
| New subscribers | 500 |
| Unsubscribes | 100 |
| Total subscribers | 10,000 |
| List growth rate | 4.00% |
With new subscribers of 500, unsubscribes of 100 and total subscribers of 10,000, the list growth rate works out to 4.00%.
Example 2
With new subscribers of 1,000, unsubscribes of 100 and total subscribers of 10,000, the list growth rate works out to 9.00%.
| Result | Value |
|---|---|
| List growth rate | 9.00% |
Example 3
With new subscribers of 250, unsubscribes of 100 and total subscribers of 10,000, the list growth rate works out to 1.50%.
| Result | Value |
|---|---|
| List growth rate | 1.50% |
Tips for an accurate result
- Keep your units consistent — mixing, say, months with years or grams with kilograms is the most common source of error.
- Round only at the very end. Rounding inputs early can shift the final answer noticeably.
- Re-run the numbers whenever an input changes, rather than estimating from an old result.
Prefer not to do the maths by hand? — the Email List Growth Rate Calculator does it instantly, for free, with the formula and a worked example built in.
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