> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bobyard.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Guide 3: OC Conversions
> 2 minutes
Bobyard has a lot of really powerful unit conversions to help you calculate everything from lengths to weights. We will do a few examples in this guide.
After drawing an area, you can use the details navbar to choose to convert the unit.
## OC points
Converting an area (rectangle, polygon, or circle) to counts (ea), requires an O.C. value. After typing in an O.C. value, you can see a render of the visualization of the points. The measurement in the takeoff sidebar on the right hand side also now shows 613 ea instead of an area.
## OC points for lengths
Converting a length to a count also works in the same way.
## OC lines
Converting an area to a length results in renders of lines across the shape (great for drip lines).
## OC grids
Converting an area to a \*length results in grids
