Customer Retention Rate Calculator

Enter your customer counts for any period to instantly see your retention rate, churn rate, and repeat-customer rate. Everything runs in your browser — no data is sent anywhere.

Customers at start of period

Customers at end of period

New customers acquired during period

Optional — Repeat-Customer Rate

Repeat purchases (optional)

Total orders in period (optional)

Runs entirely in your browser. No data is uploaded or stored.

How it works

STEP 1

Enter period counts

Fill in customers at the start of the period, customers at the end, and how many new customers were acquired.

STEP 2

See your metrics

Retention rate, churn rate, and repeat-customer rate are calculated instantly as you type.

STEP 3

Copy or reset

Copy the results summary to your clipboard or reset to run another calculation.