I always use smaller needle size than suggested and even then I feel my fabric is too loose/hole-y, even though I try to knit very tightly : r/ knitting
Yarn Weights and Hook Sizes [Crochet Basics] - YouTube
What is DK Weight Yarn? Your Complete Guide - Sarah Maker
Knitting needle sizes & Conversion chart [+ recommentation for beginners]
How to substitute yarn sizes in a pattern
Which Yarn to use for knitting or crochet? – Jo-Creates