Carbohydrate Calculator
Calculate your optimal daily carbohydrate intake based on your activity level, weight goals, and preferred diet approach. Get customized recommendations for carbs, protein, and fats.
How many carbs should I eat per day?
Depends on goals and activity: Standard diet: 45-65% of calories (225-325g for 2,000 cal). Moderate low-carb: 100-150g/day. Low-carb: 50-100g/day. Ketogenic: <50g/day (typically 20-30g). Athletes need more (3-12g per kg bodyweight based on intensity). Calculate from calories: 1g carb = 4 calories. Example: 2,000 cal at 50% carbs = 1,000 cal ÷ 4 = 250g carbs. Adjust based on activity level, goals (weight loss, muscle gain, performance), and how you feel.
What are simple vs complex carbohydrates?
Simple carbs: Quick energy, rapid blood sugar spike. Sources: Sugar, candy, soda, white bread, pastries, fruit (natural sugars). Absorbed quickly, can cause energy crashes. Complex carbs: Slow-digesting, sustained energy, more nutrients, fiber. Sources: Whole grains, oats, quinoa, sweet potatoes, beans, vegetables. Better for: Blood sugar control, satiety, overall health. Choose complex carbs 80% of time. Simple carbs okay: Around workouts for quick energy, or from whole fruits (fiber slows absorption).
Should I count net carbs or total carbs?
Net carbs = Total carbs - Fiber - Sugar alcohols (sometimes). Used in: Keto/low-carb diets, diabetes management. Rationale: Fiber doesn't raise blood sugar, passes through undigested. Total carbs: Better for general nutrition tracking, gives complete picture. Recommendation: If doing keto (<50g/day), track net carbs to allow more vegetables/fiber. For standard diets, total carbs sufficient. Sugar alcohols: Some people subtract half (they partially affect blood sugar). Be consistent with your method.
How do carbs affect weight loss and muscle gain?
Weight loss: Low-carb (50-150g) can help by reducing insulin, increasing fat burning, decreasing appetite. But calories still matter - can lose weight on high-carb if in deficit. Very low-carb may reduce workout performance. Muscle gain: Need adequate carbs (200-300g+) to fuel intense training, replenish glycogen, maximize performance. Carbs protein-sparing (body uses carbs for energy instead of breaking down muscle). Post-workout carbs boost recovery. Balance: Moderate carbs work for most people. Adjust based on results and energy levels.
What are good sources of healthy carbohydrates?
Best carb sources: Whole grains (oats, brown rice, quinoa, whole wheat), Starchy vegetables (sweet potatoes, squash, potatoes), Legumes (beans, lentils, chickpeas), Fruits (berries, apples, bananas), Vegetables (all types - minimal carbs, maximum nutrients). Prioritize: High fiber, nutrient-dense, minimally processed. Limit: White bread, sugary cereals, pastries, candy, soda, chips. Context matters: Athletes can handle more simple carbs around workouts. Sedentary people do better with complex carbs and lower amounts overall.