Average Position Calculator: Impression-Weighted, Like Search Console

How average position is really calculated

Multiply each query's ranking position by its impressions, add those products together, then divide by total impressions across all the queries. A page ranking position 3 for a query with 1,000 impressions and position 8 for a query with 500 impressions has an average position of (3 times 1,000, plus 8 times 500), divided by 1,500 total impressions, which works out to about 4.67, not the simple midpoint of 3 and 8.

This impression-weighted method is exactly how Google Search Console calculates the "Average Position" metric shown in its Performance report. Queries that generate more impressions pull the average toward their own position more strongly than low-impression queries do, which is why a page's average position can shift even when none of its individual rankings move, simply because the mix of impressions across queries changed.

Why a simple average of positions is misleading

Treating average position as a plain average of every ranking, adding up the positions and dividing by the count, ignores how much search demand each position actually represents. A page ranking position 1 for a high-volume query and position 20 for a near-zero-volume query would show a misleadingly poor "simple average" of about 10.5, when in reality almost all of its visible impressions are happening at position 1.

Weighting by impressions fixes that distortion by letting high-traffic queries count more heavily than low-traffic ones, which is a truer picture of where a page is actually showing up for the searches that matter.

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