Is there an easy way to get the daily amount of dietary fiber?

Varies: There are 2 types of fiber:soluble and insoluble. Both are important for health, digestion, & preventing diseases. Soluble fiber attracts water and turns to gel during digestion. This slows digestion. Soluble fiber is in oat bran, barley, nuts, seeds, beans, lentils, peas, & some fruits/vegetables. Insoluble fiber is found in foods like wheat bran, vegetables, & whole grain. It adds bulk 2 stool.

These: Soluble fibre: peas, soybeans, oats, rye, chia, barley, prunes, plums, avocados, berries, ripe bananas, skin of apples, quinces, pears, broccoli, carrots, sweet potatoes and onions insoluble fiber: whole grain wheat, corn, bran, beans, peas, nuts, seeds, potato skins, green beans, cauliflower, zucchini, celery, and nopal, avocado, unripe bananas, skins of kiwi, grapes and tomatoes.