KPI calculator

Forecast Accuracy Calculator

Enter your values to calculate Forecast Accuracy. Use the formula and examples below for Excel, Google Sheets, Power BI, and dashboards.

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Calculate Forecast Accuracy

Result

Formula

1 - ABS(Forecast - Actual) / Actual

Excel formula

=IFERROR(1-ABS(B2-C2)/C2,0)

Power BI DAX measure

Forecast Accuracy =
1 - DIVIDE(ABS([Forecast] - [Actual]), [Actual])

Read the complete Forecast Accuracy formula guide →