I didn't have enough fabric to make the last tier the same width, hence the reason for the small bottom ruffle.
Measure the child's waist and add 10 inches plus seam allowance for the first tier
Second tier: width of first tier plus 20 inches and seam allowances
Third tier: width of second tier plus 20 inches and seam allowancesFourth tier: width of third tier plus 20 inches and seam allowances
The depth of each tier I used, is about 5 inches plus seam widths, with the exception of the first tier. For the first tier, you need to allow for the casing ( for the elastic). I added 2 inches.
Lots of options with this skirt. You can make each ruffle longer so that the skirt would be fuller. Or, you can vary the width of the tiers to make it longer or shorter. I think it would be great to piece together lots of different fabrics from your stash. It definitely could also be made in an adult size.
You have to sew together pieces of fabric to make long widths. I sewed each width, then gathered the fabric, then sewed each piece together. Made the casing, inserted the elastic, and finishing by sewing one side seam.
I started this post this afternoon, and seven hours later, I am publishing it! (I did have to stop for after school, homework, dinner, baseball game, showers and books) However, I had a really hard time explaining what I did. Hopefully, you can follow what I did here. If not drop me an e-mail, I would be happy to help.