ikea complexity index~20k ikea products, ranked by how long they take to build"complexity" = steps x total parts"est. time" = "complexity" x empirical factor (based on self-reported build times)"ease rating" = average ease-of-assembly rating (1–5, higher = easier) left by reviewers on ikea.com. "~" ratings are averaged across combo products. not affiliated with ikea - just a big fan!