Macro Calculator
Calculate your ideal daily macronutrient split (protein, carbs, fats) based on your goals.
About Macro Splits
Macronutrients provide your calories: protein (4 cal/g), carbs (4 cal/g), and fat (9 cal/g). A balanced split works for most people. Higher protein supports muscle growth, low carb can help with fat loss, and keto splits minimize carbohydrates.
About This Tool
The Macro Calculator helps users determine their heart rate training zones for effective cardiovascular workouts. Ideal for athletes and fitness enthusiasts looking to optimize their exercise routines.
Enter your age, resting heart rate, and maximum heart rate into the calculator. It uses the Karvonen method to output five distinct heart rate zones tailored to your personal data.
Use this tool before starting a new workout regimen or adjusting an existing one. All calculations occur in your browser; no sign-up required, ensuring complete privacy.