Where does the 14g per 1,000 kcal guideline come from?

It's a commonly cited dietary guideline (used by the USDA and Institute of Medicine) for adequate fiber intake relative to energy needs.

Daily Fiber Intake Calculator

Dietary fiber recommendations scale with calorie intake — this calculator estimates a target based on the common guideline of 14 grams per 1,000 calories.

Inputs

Results

Recommended Daily Fiber: 28 g/day

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Formula

Fiber (g) = (Calories / 1000) × 14

Learn How This Works

Daily Fiber Targets and Exercise Calorie Burn, Explained

How recommended fiber intake and MET-based calorie burn estimates are calculated, with real examples.

Frequently Asked Questions

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