Because I am who I am I figured out how to figure out how many strips and how wide to make the strips for a particular size quilt. This is an excel spreadsheet and if you want to make one yourself you could do this as well. The yellow boxes are the numbers you enter. You could set it up just as I have by entering the formulas in the cells I've pointed out. For example: in cell A3 type (without the quotes) "=(A2-0.5)*32". Because you sew and cut 5 times the length of the quilt is always 32 strips. You can vary the length by changing the width of the strip.
To figure out how wide the quilt will be, work backwards. Each time you sew and cut the width doubles, so if I want a quilt for a queen size bed, and I want it to be 80 x 100 I first entered 2 1/2 as the strip width but that only gave me a length of 64 (the finished width of a 2 1/2 inch strip is 2 inches). I then put in 3 inches and got 80 inches for my length.
For the length I decided I wanted 100 inches, when I enter that into the third yellow box, the number doubles to 3200 inches. When I divide that by the length of strips I have (44 inches) I get a result of 72.7 strips. I would make that 73 strips and cut off a bit.
If you want to use the spreadsheet I made to try it out, it's here.
The chart below is just for reference. Have fun.