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Get startedSales velocity
How fast a product sells — units per day, week or month.
Sales velocity is the rate a product sells at, usually units per day. It drives inventory planning (runway, reorder timing) and signals momentum — a rising velocity may mean it's time to reorder sooner or scale ads; a falling one may mean a problem to investigate.
Formula
Sales velocity = Units sold ÷ Days in period
Example: 600 units over 30 days = 20 units/day.
What a good result depends on
Trend matters most — compare against stock on hand and lead time.
Common mistakes
- Using a promo-spike period as the baseline.
- Ignoring velocity changes until you've already stocked out.