Identify your bake type (sandwich loaf, pizza dough, rolls, or quick bread) so you can match gluten strength to the job.
Pick a substitute from the reference table and use the listed ratio to replace bread flour by weight.
If the substitute is weaker (cake/pastry/whole wheat), adjust hydration: add water 1–2 tablespoon at a time until the dough feels elastic, not sticky.
Knead or mix appropriately: use the gluten-building window (or longer rest/sets) for AP blends, and avoid overmixing very weak flours.
Let fermentation do the work: extend bulk fermentation slightly for weaker flours to improve flavor and rise.