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Carbohydrate Calculator | Nutrition
Carbohydrate Calculator - Carb needs based on TDEE
Built by an engineer who chases finish lines and is obsessed with data. Thomas Prommer — technology executive who has worked with Google, Apple, Nike, Adidas, Netflix and other global brands. Also an Ironman finisher, HYROX Pro Division competitor, and marathon runner. These tools combine engineering rigor with real race experience.
Carbohydrate Calculator
Carb needs based on TDEE.
Methodology
Carb needs based on TDEE. Standard: 45-65% of calories from carbs. Athletes may need 5-10g/kg/day.
FAQ
How does this calculator work?
Carb needs based on TDEE. Standard: 45-65% of calories from carbs. Athletes may need 5-10g/kg/day.
How accurate is this estimate?
Based on validated formulas with ~10% margin. Individual metabolism varies.
Should I consult a professional?
Yes, especially for medical conditions, eating disorders, or significant weight changes.
How often should I recalculate?
Every 2-4 weeks or after 2-3 kg of weight change.