How is churn different from repeat purchase rate?

Churn measures who left. Repeat purchase rate measures who came back at least twice. They are two sides of the same coin: a 25 percent repeat rate implies a 75 percent one-and-done rate, which looks a lot like a churn problem. Use both to triangulate.

Should I include customers who simply have not re-ordered yet?

Define a clear inactivity window. For consumables, use double the average replenishment cycle (e.g. if people reorder every 45 days, anyone inactive past 90 days is churned). For apparel, 12 months of no purchase is the standard line. Pick it, document it, apply it consistently.

How do I reduce churn without a loyalty program?

Three levers beat loyalty programs for cost: a genuinely useful first-30-day email flow, a reorder reminder 2 to 5 days before expected run-out, and a product that works as promised. Loyalty points rarely move retention; product experience does.

Should I measure churn monthly or annually?

Both. Monthly catches sudden drops (supplier quality dip, bad batch, price hike). Annual gives the strategic read for LTV modeling. Subscription brands must track monthly because cancellations compound fast. Traditional DTC can start with quarterly.

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Churn Rate Calculator

Calculate customer churn rate and what that churn costs you in annual revenue. Most brands feel churn without measuring it. Until you price the leak, you will not fund the fix.

Churn Rate = Customers Lost ÷ Customers at Start × 100

Customers at start

Customers lost

Avg revenue per customer ($)

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How to use this Churn Rate Calculator

Churn rate is the share of customers you lose in a period. For subscription brands it is the cancellation rate. For traditional ecom it is the share of past customers who go inactive (no purchase inside the expected replenishment window). Both versions matter because both versions map directly to how much of next quarter's revenue you have to replace through paid acquisition.

The expensive mistake is thinking about churn only in percentage terms. Multiply by your average revenue per customer and you get the real cost. A 10 percent annual churn on 5,000 customers at $180 ARPU is $90,000 of revenue gone that you have to replace through ads, probably at a 3x CAC multiplier. That is a $270,000 ad budget just to stand still.

Most churn happens in the first 90 days after purchase. If you fix the first 30-day experience (better unboxing, one genuinely useful educational email, a reorder reminder before they forget you), you can cut churn by 20 to 40 percent in a single quarter without changing the product.

Frequently Asked Questions

Subscription brands aim for under 5 percent monthly and under 30 percent annually. Traditional DTC brands should target under 10 percent inactive customers per quarter if the product has a natural replenishment cycle. Apparel and gift categories run higher because the replacement window is longer.

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