# Whole Depth

on . Posted in Gear

Whole depth, abbreviated as WD, is the distance from the top of the tooth to the bottom of the tooth.

## Whole Depth formula

$$\large{ WD = A + D }$$
Symbol English Metric
$$\large{ WD }$$ = whole depth $$\large{in}$$ $$\large{mm}$$
$$\large{ A }$$ = addendum $$\large{in}$$ $$\large{mm}$$
$$\large{ D }$$ = dedendum $$\large{in}$$ $$\large{mm}$$

Tags: Gear Equations