75%
Spinach yields 75%
You buy spinach by its whole weight, but you only plate 75% of it. That 25% loss is real cost the invoice never shows — here's the math.
Yield is the fraction of an ingredient that actually reaches the plate after you clean, peel, and trim it. What you pay is the AP (as-purchased) price; what it costs on the plate is the EP (edible-portion) price.
Coring, ribs, and bruised outer leaves are the loss. Weigh what you actually plate, not what you carry in from the walk-in.
Say your invoice shows $4.00 per lb of spinach (an example AP price).
At 75% yield, your real cost is $5.33 per lb EP — because $4.00 ÷ 0.75 = $5.33.
AP price is illustrative; the EP figure is computed (AP ÷ yield). Use your real invoice price below.Sourced: CIA Standard Yield Tables, via the Plate Cost Calculator · what yield means · edible portion