Fiber Intake Calculator
Estimate daily fiber needs and track intake from meals.
Fiber Intake Calculator
Estimate daily fiber needs and track intake from meals.
Based on Dietary Guidelines for Americans. High-fiber foods include whole grains, legumes, fruits, and vegetables.
How This is Calculated
Recommended daily fiber intake per the Academy of Nutrition and Dietetics: Men (≤50 yrs): 38 g/day; Men (>50 yrs): 30 g/day; Women (≤50 yrs): 25 g/day; Women (>50 yrs): 21 g/day. The USDA recommends 14 g of fiber per 1,000 kcal consumed.
Disclaimer: This tool provides estimates for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
How to Use This Calculator
This calculator compares your current fiber intake against science-backed daily recommendations.
- Step 1: Enter your age and biological sex.
- Step 2: Enter the total grams of fiber you have consumed today.
- Step 3: Click "Check Fiber Intake" to see your status.
Frequently Asked Questions
Dietary fiber supports digestive health, feeds beneficial gut bacteria, lowers cholesterol, stabilises blood sugar, and reduces the risk of bowel cancer and heart disease.
Legumes (beans, lentils), whole grains, oats, seeds, nuts, and most vegetables and fruits. Processed foods tend to be very low in fiber.
Extremely high fiber intake can cause bloating and digestive discomfort, especially if increased too rapidly. Drink plenty of water when increasing fiber in your diet.
