Work out fibre requirement instantly with clear inputs, formula shown and shareable results.
Applies the 14 grams per 1,000 kcal dietary guideline, or the flat 30 gram UK reference, and compares it with current intake.
Fibre target
Target = energy intake / 1000 x 14 g, or a flat 30 g a day; fibre density = intake / energy x 1000
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Fibre comes with food volume, so larger eaters need proportionally more to achieve the same dietary quality.
Gradually over a few weeks with extra fluid, since a sudden increase commonly causes bloating.