Enter the wafer diameter and the die size into the calculator to determine the die per wafer.

## Die Per Wafer Formula

The following formula is used to calculate the die per wafer.

DFW = d * pi * ( 4/(4*S) – 1/SQRT (2*S) )

- Where DFW is the die per wafer
- d is the diameter of the wafer
- S is the die size (square)

## Die Per Wafer Definition

A die per wafer is defined as the the number of dies per wafer area of a die cut part usually square silicon pieces.

## Die Per Wafer Example

How to calculate die per wafer?

**First, determine the diameter of the wafer.**Calculate the wafer diameter.

**Next, determine the die size (square area)**Calculate the size of the die.

**Finally, calculate the die per wafer.**Use the formula above to calculate the die per wafer.

## FAQ

**What is a die per wafer?**

A die per wafer is defined as the total number of dies produced from one wafer of punched material.

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