Fiber calculator
How much fiber to eat a day for your calories. Free, nothing leaves your browser.
Your fiber a day
—g of fiber a day
Enter your calories to see your number.
Fabee logs your meals by chat, so you can see what you’re eating.
DownloadFor healthy adults, not medical advice. Digestive condition, pregnant or under 18? Ask your doctor.
How it works
The US Dietary Guidelines set fiber at 14 g for every 1,000 calories you eat. The European Food Safety Authority advises at least 25 g a day for adults.
Most people eat well under that. Raise it over a week or two, and drink with it.
Sources: Dietary Guidelines for Americans, 2020-2025; EFSA, Dietary Reference Values for carbohydrates and dietary fibre, EFSA Journal 2010;8(3):1462.