Fiber Calculator

Estimate your recommended daily fibre from calorie intake and see the gap to your current intake.

Usage Tip

Whole grains, beans, fruit and vegetables are the easiest ways to add fibre.

Recommended Fibre
— g/day
Target per day
THE MATH
recommended fibre = calories ÷ 1000 × 14 g
Dietary guidelines suggest about 14 g of fibre per 1,000 calories.
Increase fibre gradually and drink plenty of water to avoid discomfort.
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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.