Keto Macro Calculator
Ketogenic fat, protein and carb split.
Enter your values
Enter the daily calories in kcal.
Enter the carbs in %.
Enter the protein in g/kg.
Enter the body weight in kg.
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.
- Fat
- 147 g
- Protein
- 120 g
- Net carbs
- 24 g
- Fat share of calories
- 70%
- Protein share
- 25%
Quick answer
A standard ketogenic split is about 70–75% fat, 20–25% protein and 5% carbohydrate by calories.
At a glance
| What it does | Ketogenic fat, protein and carb split. |
|---|---|
| Category | Health |
| Inputs needed | Daily calories, Carbs, Protein, Body weight |
| Main output | Fat |
| Cost | Free — no sign-up, no download |
How to use the Keto Macro Calculator
- 1Enter your daily calorie target.
- 2Set carb percentage (5% is standard keto).
- 3Set protein per kilogram of body weight.
Inputs explained
- Daily calories(kcal)
- Enter the daily calories in kcal.
- Carbs(%)
- Enter the carbs in %.
- Protein(g/kg)
- Enter the protein in g/kg.
- Body weight(kg)
- Enter the body weight in kg.
Worked example
Using the values the calculator loads with:
Inputs
- Daily calories1900 kcal
- Carbs5 %
- Protein1.6 g/kg
- Body weight75 kg
Results
- Fat147 g
- Protein120 g
- Net carbs24 g
- Fat share of calories70%
- Protein share25%
Frequently asked questions
Why limit protein?
Excess protein can be converted to glucose, though the effect is modest.
What are net carbs?
Total carbs minus fibre and sugar alcohols.
What do I need to enter into the Keto Macro Calculator?
Just 4 values: daily calories, carbs, protein, body weight. 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 Keto Macro Calculator work out the answer?
A standard ketogenic split is about 70–75% fat, 20–25% protein and 5% carbohydrate by calories. The working is shown step by step so you can verify the result by hand.
Is the Keto Macro 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.