How many carbs should I eat per day?

The DRI recommends 45-65% of total calories from carbs. For a 2,000 cal diet, that's 225-325g. Active individuals may need more based on training type.

What is the difference between this and the Carb Cycling Calculator?

This calculator provides a consistent daily carb target. The Carb Cycling Calculator rotates between high, medium, and low carb days throughout the week.

Do I need to count fiber separately?

Fiber is a type of carbohydrate. It's included in total carb counts but is not fully digested, so it contributes fewer usable calories. Aim for 25-38g fiber daily.

Carb Calculator

Name: Carb Calculator
Author: Manish Kumar

How Many Carbs Do You Need?

The Dietary Reference Intake (DRI) sets the Acceptable Macronutrient Distribution Range (AMDR) for carbohydrates at 45–65% of total daily calories ^[1]. For active individuals, carbohydrate needs are better expressed in grams per kilogram of body weight, ranging from 3–10 g/kg depending on activity type and intensity.

Carb Ranges by Activity

Endurance (6–10 g/kg/day): Supports glycogen replenishment for runners, cyclists, and swimmers (ACSM) ^[2]
Strength Training (3–5 g/kg/day): Adequate fuel for resistance training while allowing room for higher protein
General Activity (3–5 g/kg/day): Suitable for recreationally active adults
Low-Carb Reference (<130 g/day): For informational comparison only

Fiber Recommendation

The DRI recommends approximately 25–38g of fiber daily (25g for adult females, 38g for adult males). Fiber-rich carb sources like legumes, whole grains, and vegetables contribute to both carbohydrate and fiber intake ^[3].

This calculator is different from the Carb Cycling Calculator, which focuses on high/medium/low day rotation. For calorie conversion, see the Grams to Calories Calculator.

How to Use This Calculator

Enter your body weight and daily calorie intake
Select your activity goal (general, endurance, strength, or low-carb reference)
Choose meals per day for per-meal targets
Click "Calculate Carb Needs" for your daily range and food references

Frequently Asked Questions

Sources & References

Carbohydrates — Dietary Reference Intakes. Institute of Medicine. National Academies Press (2005)
Carbohydrate Needs for Athletes. Burke LM, et al.. Nutrients (2022)
Carbohydrate Quality and Quantity in Health. ScienceDirect. Clinical Nutrition (2023)

Manish Kumar

Certified Personal Trainer & Sports Nutritionist

NASM-CPTCertified Sports Nutritionist10+ Years Experience500+ Clients Coached

NASM-certified fitness and nutrition coach with over 10 years of hands-on experience helping people build strength, lose fat, and live healthier lives. Specializing in gym-based workouts with a strong focus on lifting technique, biomechanics, and practical exercise science. Through FitLifeRegime, sharing the tools, tips, and insights that have worked for hundreds of clients — helping you start your own fitness journey with confidence and clarity.

Learn more about Manish

NASM Certified

Certified Personal Trainer & Sports Nutritionist from the National Academy of Sports Medicine

Disclaimer: This calculator is for informational and personal awareness purposes only. Results are estimates based on published formulas and may not reflect your exact measurements or outcomes.