🍞 Carbohydrate Intake Calculator

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Fill in the details and click Calculate to see your results.

Formula at a glance

Carb Intake formula: Carbs (g) = Calories × Carb % ÷ 4
How the carb intake works: Carbs (g) = Calories × Carb % ÷ 4

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📘 About the Carb Intake

Carbohydrates are your body's main source of energy. Health guidelines suggest that carbohydrates provide about 45–65% of your daily calories.

Enter your daily calorie target and the percentage from carbs to see your carbohydrate needs in grams.

🧮 Formula

Daily carbohydrate
Carbs (g) = Calories × Carb % ÷ 4

Where

  • 1 gram of carbohydrate provides 4 calories

✏️ Worked examples

2,000 kcal, 50% carbs

You enter
Total Daily Calories2,000 kcal
% of Calories from Carbs50%
GoalMaintain weight
You get
Daily carbohydrate target250 g a day
Recommended range (45–65%)225 – 325 g
Per meal (3 meals)83 g
Fibre target (14 g per 1,000 kcal)28 g a day
Added sugar limit (under 10% of calories)50 g (≈ 13 tsp)
Based on2,000 kcal for maintenance

250 g a day; range 225 – 325 g.

Try this example →

2,200 kcal, weight loss, 40% carbs

You enter
Total Daily Calories2,200 kcal
% of Calories from Carbs40%
GoalLose weight (−500 kcal)
You get
Daily carbohydrate target170 g a day
Recommended range (45–65%)191 – 276 g
Per meal (3 meals)57 g
Fibre target (14 g per 1,000 kcal)24 g a day
Added sugar limit (under 10% of calories)43 g (≈ 11 tsp)
Based on1,700 kcal for weight loss (−500 kcal)

170 g a day.

Try this example →

🧭 How to use this calculator

What you enter

  • Total Daily Calories (kcal)
  • % of Calories from Carbs
  • Goal

What you get

  • Daily Carbohydrate Target (g)
  • Recommended Range From (g)
  • Recommended Range To (g)

❓ Frequently asked questions

Which carbs are best?

Choose whole grains, fruit, vegetables and pulses over refined sugar and white flour.

Do I need to cut carbs to lose weight?

Not necessarily. Total calories matter most, and the right mix depends on your preferences and health.

How do I get my calorie target?

Use the Daily Calorie Need Calculator, then adjust it for your goal.

How many carbs should I eat a day?

45–65% of your calories, which is 225–325 g on a 2,000 kcal diet. Low-carb diets use under 130 g.

How many carbs should I eat to lose weight?

Many people do well on 100–150 g a day while keeping protein high; total calories matter most.

What people are saying
★★★★★
Anonymous · 28 Sep 2026