When I started knitting so many years ago, there seemed to be just two choices when it came to yarn weights; worsted or fingering yarn, thick or thin. Since then the yarn world has seemingly exploded with yarns of varying thicknesses, and it can be hard to determine which to use for a project at hand.
One simple way to determine this is to check the WPI (wraps per inch) of both types of yarn. Simply wind the yarn around an object such as a pencil or a ruler, and count how many wraps occur in a one-inch space. If the numbers match, the yarns are the same weight.
Another easy way is to simply count the stitches and rows in a four-inch square knitted with the yarn in question and compare it to the gauge listed in the pattern or on the label of the yarn to be swapped out. If it is bigger or smaller than needed you can sometimes substitute smaller or larger needle sizes to correct the sizing. While most of us want to just jump into the project, it is wise to take the time to check the gauge if there is any doubt at all about a suitable yarn weight.
Each of us carries a different weight in the spiritual realm, as well, influenced by the length of our walk with God and the experiences we have had with Him. The Bible says we each have a measure of faith, but that initial amount can be expanded as we learn to trust God more and more each day. It is not a good idea to compare oneself with others in this arena, however, as we are likely to become either puffed up or pushed down in our Biblical self-esteem as a result, both of which can lead to problems on down the road. It is best to simply concentrate on making our own spiritual experience the very best it can be, that our lives turn out to be exactly what God intended them to be.
Therefore, my beloved...work out your own salvation with fear and trembling; for it is God who works in you both to will and to do for His good pleasure.”
(Philippians 2:12-13 NKJV)