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Keto Macro Calculator

Calculate your personalised keto macros — fat, protein, and net carbs — based on your body and goals.

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What Are Keto Macros?

A ketogenic diet shifts your body into ketosis — burning fat for fuel instead of carbohydrates. To achieve this, your daily macronutrient (macro) split needs to be high fat, moderate protein, and very low carb.

Our calculator uses the Mifflin-St Jeor equation to estimate your daily calorie needs, then splits them into keto-specific macro targets.

70-75% Fat
20-25% Protein
5-10% Net Carbs

Calculate Your Keto Macros

Your Daily Keto Macros

Calories
kcal / day
Fat
Protein
Net Carbs

Explore the content below for practical advice about putting your daily macro amounts into action.

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⚠️ These calculations are a guide only. Individual needs vary based on medical history, metabolism, and other factors. We recommend consulting a nutritionist for personalised advice.

How It Works

Three steps to your personalised keto meal plan

Enter Your Details

Enter Your Details

Tell us your age, height, weight, activity level, and goal. Choose your preferred keto macro split.

Get Your Keto Macros

Get Your Keto Macros

We'll calculate your daily calories, fat, protein, and net carb targets using the Mifflin-St Jeor equation.

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Shop Keto Meals

Browse our chef-prepared keto meals designed to hit your macros — delivered fresh to your door.

Your Complete Guide to Keto Macros

What Is a Keto Diet?

The ketogenic (keto) diet is a high-fat, moderate-protein, very low-carbohydrate eating plan. By drastically reducing carbs — typically to under 50g of net carbs per day — your body enters a metabolic state called ketosis, where it burns fat for energy instead of glucose.

For most people, this means getting 70–75% of daily calories from healthy fats, 20–25% from protein, and just 5–10% from carbohydrates.

How to Calculate Keto Macros

Calculating your keto macros involves three steps:

  1. Find your BMR (Basal Metabolic Rate) — the calories your body burns at rest, calculated using the Mifflin-St Jeor equation based on your age, height, weight, and gender.
  2. Calculate your TDEE (Total Daily Energy Expenditure) — your BMR multiplied by an activity factor to account for exercise and daily movement.
  3. Apply your keto macro split — divide your adjusted calories into fat, protein, and net carb targets based on your chosen keto approach.

Standard vs Moderate vs High-Protein Keto

Keto Type Fat Protein Net Carbs Best For
Standard Keto (SKD) 75% 20% 5% Weight loss, general health
Moderate Keto 65% 25% 10% Active people, easier transition
High-Protein Keto 60% 35% 5% Athletes, muscle building

Tips for Hitting Your Keto Macros

  • Prioritise healthy fats: Avocado, olive oil, nuts, seeds, and fatty fish are keto staples. Avoid trans fats and highly processed oils.
  • Choose quality protein: Grass-fed meats, free-range poultry, wild-caught fish, and eggs provide clean protein without hidden carbs.
  • Track net carbs, not total carbs: Net carbs = total carbs minus fibre. Most keto dieters aim for 20–50g net carbs per day.
  • Meal prep is your best friend: Pre-portioned meals with known macros eliminate guesswork and keep you on track.
  • Stay hydrated and mind your electrolytes: Keto can cause fluid loss — supplement sodium, potassium, and magnesium as needed.

Common Keto Mistakes

  • Not eating enough fat: Many beginners eat too little fat and too much protein, which can prevent ketosis.
  • Ignoring hidden carbs: Sauces, dressings, and "sugar-free" products can contain surprising amounts of carbs.
  • Not tracking macros: Estimating portions often leads to overconsumption of carbs or under-consumption of fat.
  • Giving up too early: The "keto flu" (fatigue, headaches) is temporary — most people feel great after the first week or two.
  • Neglecting vegetables: Low-carb vegetables (spinach, broccoli, cauliflower) provide essential nutrients and fibre.

Want to learn more? Read our Keto Guide for Beginners or explore our Keto Meal Plan for weekly meal ideas.

Frequently Asked Questions

Ready to Start Keto?

Calculate your macros above, then shop keto meals designed to hit your targets — delivered fresh to your door.

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