Carb Calculator
Daily carbohydrate target.
Enter your values
Enter the daily calories in kcal.
Choose one of: Balanced (50%), Moderate (40%), Low carb (25%), Keto (10%).
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Daily carbs
- 220 g
- Per meal (3 meals)
- 73 g
- Calories from carbs
- 880 kcal
- Net carbs target (−fibre 30 g)
- 190 g
- Carb share
- 40%
Quick answer
Carbohydrate grams equal your calorie target times the carb percentage, divided by four.
Carbs (g) = kcal × carb% ÷ 4
At a glance
| What it does | Daily carbohydrate target. |
|---|---|
| Category | Health |
| Inputs needed | Daily calories, Diet style |
| Main output | Daily carbs |
| Formula | Carbs (g) = kcal × carb% ÷ 4 |
| Cost | Free — no sign-up, no download |
How to use the Carb Calculator
- 1Enter your daily calorie target.
- 2Choose a diet style or carb percentage.
- 3Split the total across your meals.
Inputs explained
- Daily calories(kcal)
- Enter the daily calories in kcal.
- Diet style
- Choose one of: Balanced (50%), Moderate (40%), Low carb (25%), Keto (10%).
Worked example
Using the values the calculator loads with:
Inputs
- Daily calories2200 kcal
- Diet styleModerate (40%)
Results
- Daily carbs220 g
- Per meal (3 meals)73 g
- Calories from carbs880 kcal
- Net carbs target (−fibre 30 g)190 g
- Carb share40%
Frequently asked questions
How low is keto?
Usually under 50 g of net carbs a day, often 20–30 g.
Do athletes need more?
Yes — endurance athletes often eat 5–8 g of carbs per kg of body weight.
What do I need to enter into the Carb Calculator?
Just 2 values: daily calories, diet style. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Carb Calculator work out the answer?
Carbohydrate grams equal your calorie target times the carb percentage, divided by four. It applies the formula Carbs (g) = kcal × carb% ÷ 4 and shows the working so you can check each step by hand.
Is the Carb Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.