Checkout Completion Rate Formula: Excel, DAX, Calculator & Example

Simple formula

Completed Checkouts / Started Checkouts

The formula uses these inputs:

Completed Checkouts: enter your value in the calculator or spreadsheet.
Started Checkouts: enter your value in the calculator or spreadsheet.

Excel formula

Use this Excel formula as a starting point. Replace the sample cell references with the cells in your worksheet.

=IFERROR(B2/C2,0)

Google Sheets formula

In most cases, the Google Sheets version uses the same structure as Excel.

=IFERROR(B2/C2,0)

Power BI DAX measure

Use this DAX pattern as a starting point and rename measures or columns to match your Power BI model.

Checkout Completion Rate =
DIVIDE(
    [Completed Checkouts],
    [Started Checkouts]
)

SQL example

This generic SQL pattern can be adapted to your warehouse table names and column names.

SELECT
    /* replace with your formula */ AS checkout_completion_rate
FROM kpi_data;

Checkout Completion Rate calculator

Completed Checkouts Started Checkouts

Result—

How to interpret Checkout Completion Rate

Use this KPI with trend data, targets, and related metrics. A single value is less useful than a consistent definition tracked over time.

Important: KPI definitions can vary by company, accounting policy, analytics platform, or reporting standard. Keep the definition consistent when comparing periods.

Common mistakes

Mixing different time periods in the numerator and denominator.
Using totals that do not match the KPI definition used by your company.
Comparing results across teams or industries without context.

Related KPI formulas

Frequently asked questions

What is the Checkout Completion Rate formula?

The common Checkout Completion Rate formula is: Completed Checkouts / Started Checkouts.

How do you calculate Checkout Completion Rate in Excel?

Use this Excel formula pattern: =IFERROR(B2/C2,0). Replace the cell references with your own data.

Can this KPI be calculated in Power BI?

Yes. Use the DAX measure on this page as a starting point and adjust table and column names to match your model.

Checkout Completion Rate Formula

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