Customer Retention Rate Calculator

Calculate the percentage of starting customers retained through a period, excluding newly acquired customers.

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Calculator inputs

Update any value to recalculate instantly

Live

Customers at start

customers

edit Editable inputCustomers at end

customers

edit Editable inputNew customers

new

edit Editable input

insights

Calculated from the values above

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Customer retention rate119.00 %Primary calculated value

Starting customers retainedSupporting metric

1,190.00

CalculationBased on your current inputs

function

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Method, formula and practical notes

Remove newly acquired customers from the ending total, then compare the retained starting customers with the starting base.

FormulaRetention rate = (Ending customers − New customers) ÷ Starting customers × 100.

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Calculator guide

Calculate the percentage of starting customers retained through a period, excluding newly acquired customers.

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functions

Retention rate = (Ending customers − New customers) ÷ Starting customers × 100.

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Remove newly acquired customers from the ending total, then compare the retained starting customers with the starting base.

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