Much depends on what your intended use for the shed actually is.
Firewood shed roof pitch.
This allows the roof to overhang the side of the shed adding more protection to your firewood.
This 2x6 was set to a height allowing a 2 12 roof pitch.
This image shows a relatively shallow roof pitch of 15 degrees.
If your roof pitch is greater than 3 your roof is considered pitched.
Having a steeper pitched roof allows for more space in a shed loft.
The loft space would be much larger with a roof pitch of 45 degrees.
Pitched roofs are attractive and also can be used for additional space for a shed loft.
Therefore if your roof rises 4 inches over the course of 12 inches of horizontal run then your roof pitch is 4 12.
Remember that pitch is calculated as the height or rise of a roof pitch over 12 inches of horizontal run.
Read more about roof pitch at wikipedia.
If you are only trying to keep a wood pile dry or storing a few outdoor tools and light machinery out of the weather then you might consider a simple single pitch roof since most everything inside will be stored at ground level and pulled out from the outside of the shed.
In order to adhere to standardized building codes and ensure adequate runoff your shed s roof must have a pitch of at least 3 12 read as three in twelve.
The term pitch refers to the slope of the roof.
As stated in the video speed squares have useful markings on them from 0 to 12.
The roof pitch measures the steepness of your shed roof and typically takes values from 1 to 12.