FPY

First Pass Yield

The share of pieces that passed inspection without rework and without rejection.

Formula

FPY = Pieces good the first time ÷ Pieces inspected

FPY shows the hidden cost of rework. A product that is good after rework does not spoil the reject rate, but it costs time.

What it looks like in the system

The quality dashboard shows FPY and PPM month over month.

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