CARB
CALCULATOR
Calculate your optimal daily carbohydrate intake based on your calories, goal, and activity.
Your Details
Your Daily Carb Target
--
grams of carbs / day
Calories from Carbs--
Per kg Body Weight--
Per Meal (3 meals)--
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Macro Split Reference
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How Many Carbs Do You Need?
Carbohydrate needs vary significantly based on activity level and goals. Sedentary individuals may function well on 3–4g/kg/day, while endurance athletes may need 6–10g/kg/day. Low-carb diets (under 130g/day) can be effective for weight loss but may impair high-intensity athletic performance. Most people benefit from 40–50% of daily calories from carbohydrates.
RM
Built by Ren Martin
Sports coach · 20+ years in fitness · Used this calculator personally
Frequently Asked Questions
How many carbs should I eat per day?
Carbohydrate needs depend on activity and goals. General guidance: sedentary adults 130–200g/day; moderately active 200–300g/day; very active or athletic individuals 300–500g/day. Low-carb diets (under 50g/day) are ketogenic; 50–130g/day is low carb but not ketogenic.
How many carbs should I eat per day?
The Dietary Guidelines for Americans recommend carbohydrates provide 45–65% of total daily calories. For a 2,000 kcal diet, this is 225–325g of carbohydrates per day. Active individuals with high training volumes benefit from the higher end of this range for glycogen replenishment. Those following lower-carb approaches may target 50–150g per day without necessarily entering ketosis.
Do carbs cause fat gain?
Carbohydrates do not cause fat gain in isolation. Excess total calories — from any macronutrient — cause fat gain. Carbohydrates are stored as glycogen in the liver and muscle before any conversion to fat occurs, and this conversion process (de novo lipogenesis) is inefficient and rarely significant under normal dietary conditions. The association between carbs and weight gain primarily reflects that carb-dense foods are often also calorie-dense.
What foods are high in carbohydrates?
High-carb foods include grains (rice, bread, pasta), legumes (lentils, beans), fruits, starchy vegetables (potatoes, corn), and dairy. Prioritize complex carbohydrates from whole food sources for sustained energy and better micronutrient density.