What this calculator does
Daily fiber intake target works out recommended dietary fiber based on total calorie intake. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
FormulaFiber (g) = calories / 1000 × 14
The inputs explained
| Field | What to enter |
|---|---|
| Daily calories (kcal) | A number, measured in kcal. Starts at 2000. |
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
How the answer changes with daily calories
Every other input is held at the calculator’s starting values while daily calories varies. Select any row to load that scenario into the calculator.
How the answer changes with daily calories
| Daily calories (kcal) | Daily fiber target | Basis |
|---|---|---|
| 1,000 | 14 g | Institute of Medicine guideline of 14 g fiber per 1,000 kcal |
| 1,500 | 21 g | Institute of Medicine guideline of 14 g fiber per 1,000 kcal |
| 2,000 | 28 g | Institute of Medicine guideline of 14 g fiber per 1,000 kcal |
| 3,000 | 42 g | Institute of Medicine guideline of 14 g fiber per 1,000 kcal |
| 4,000 | 56 g | Institute of Medicine guideline of 14 g fiber per 1,000 kcal |
| 6,000 | 84 g | Institute of Medicine guideline of 14 g fiber per 1,000 kcal |