A twin bed is 39" x 75". An X-large twin is 39" x 80". You'd want your afghan to be a bit wider since there will be a body lifting it up and you may want it to go a bit over the sides of the bed. The length is flexible since you would only need the afghan to cover the part of the bed below the pillow.
it is best to use an H or I size hook
The best techniques for crocheting a cozy blanket using block acrylic yarn include choosing the right hook size, maintaining consistent tension, and using simple stitches like single crochet or double crochet. Blocking the finished blanket can also help enhance its appearance and drape.
yes you can but you will need more yarn as you are going to need more rows to make the same size item .. The width will not be effected at all .. if you are making a blanket it is easy just continue till same length .. if you are making a garment you will have to adjust the pattern for the height differences .. for example they may say you need 20 rows for an armhole and you may need 28 rows ..
The best techniques for using stretch yarn in crochet projects include using a larger hook size, working with a looser tension, and incorporating stretchy stitches like the single crochet ribbing or the half double crochet ribbing. These techniques will help maintain the stretchiness of the yarn and prevent the finished project from becoming too stiff.
Crochet needles, going on the numbered U.S. system range from one to ten in size.
For yarn, use an "E" or an "F".
that would be a size P crochet hook
Projects that are best suited for a 2.5 mm crochet hook size are typically intricate and delicate items such as lacework, amigurumi, and fine garments like shawls or baby clothes.
Take two pieces of fleece, whatever size you wish to make the blanket but make sure they are both the same size. Cut slits on the edges of the blanket about an inch long and keep doing that but give about half of an inch to an inch of space between each cut. do that around the whole blanket then tie all the slits together. Its very easy once you get started!
You should use a size J/10 crochet hook for a project that requires a 6 mm crochet hook.
A 00 crochet hook is typically around 9.0 millimeters in size.
This varies with the yarn, the hook size and the tension. You have to make a sample, count and measure.