What is sales volume?
The number of units sold, as opposed to the money they bring in. This calculator shows how a percentage change in volume moves the unit count.
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Sales Volume Impact Calculator
See how a percentage change in sales volume moves the unit count and the size of the swing.
new volume = current × (1 + change%/100)
Frequently asked questions
Why track volume separately from revenue?
Because price and volume can move in opposite directions. Selling more units at a discount can lift volume while revenue stalls, and you only spot that by watching both.
How do I read a negative result?
A negative percentage shrinks the volume, showing how many units you would lose. Useful for modelling the effect of a supply problem or a weaker season.
Does this account for price?
No, it is purely a unit count. Pair it with the Price Change Impact calculator to see how price and volume interact on revenue.
Who uses volume figures?
Operations and supply-chain teams especially, since they plan production and stock around units, not dollars.