Retention · Calculator

Churn Rate Calculator — Customer Churn Rate

Churn is the percentage of customers you lose in a period — they stopped buying and won’t come back.

Formula

The formula

Churn Rate = (Customers Lost ÷ Customers at Start) × 100

Calculator

Live calculator — plug in your numbers

Customers lost in period

Customers at start of period

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Churn Rate (%)

Why it matters

Churn quietly kills LTV. Reducing churn by a few points often beats any acquisition campaign on ROI.

For agents

Copy this block into any AI assistant, spreadsheet, or automation — it is the canonical definition of this term.

# Churn Rate — Customer Churn Rate

**Category:** Retention
**Slug:** /glossary/churn-rate/

## Definition (easy to understand)
Churn is the percentage of customers you lose in a period — they stopped buying and won’t come back.

## Formula
“`
Churn Rate = (Customers Lost ÷ Customers at Start) × 100
“`

## What it means for your business
Churn quietly kills LTV. Reducing churn by a few points often beats any acquisition campaign on ROI.

## Source
Socialee eCommerce Glossary — https://ecommerce.socialee.in/glossary/

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