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Fiber Intake Calculator

Daily dietary fiber target by age and sex

Daily Fiber Intake Calculator

Age (years)
Daily Calories (optional)

Dietary fibre promotes gut health, reduces cholesterol, and lowers type 2 diabetes risk. Most adults eat only half the recommended 25–38g per day.

  1. 1Men under 50: 38g/day; Women: 25g/day
  2. 2Or 14g per 1,000 kcal as an alternative rule
  3. 3Increase gradually with plenty of water
  4. 4Both soluble and insoluble fibre are important
35-yr-old man, 2,500 kcal/day=Target 38g/day; by calorie rule: 35g/day
FoodServingFibre
Lentils (cooked)1 cup15.6g
Oats (dry)1 cup16.5g
Avocado1 medium10.0g
Broccoli1 cup5.1g
Apple (with skin)1 medium4.4g
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