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Client Retention Calculator — Retention Rate & Revenue Impact

Measure client retention rate and estimate the revenue impact of keeping more clients.

How We Calculate This

Calculates retention rate as a percentage and estimates the revenue impact of lost clients and potential improvement.

The formula

Retention rate = (Returning clients / Total clients) x 100

Lost revenue = Lost clients x Average spend x Visits per year

Frequently Asked Questions

Last updated: February 2026

All calculations are estimates. Always perform a strand test before chemical services.