Your All-in-One
Fitness Calculators
Everything you need to understand your body — calorie needs, body composition, and optimal nutrition in one place
Calorie Calculator
Calculate your BMR and TDEE based on weight, height, age, and activity level
BMI Calculator
Check your Body Mass Index and find out what category your weight falls into
Macro Calculator
Get your optimal protein, fat, and carbohydrate targets based on your daily calories and goal
Why DailyKcal?
Free & No Registration
Use all calculators without creating an account. No sign-up, no ads, no hidden fees.
Science-Based
Powered by the Mifflin-St Jeor equation — one of the most accurate formulas for estimating calorie needs.
All-in-One
Calories, BMI, and Macros in one place. Calculate everything you need for your nutrition plan.
About DailyKcal
DailyKcal is a free, science-based fitness calculator platform designed to help you understand your body’s nutritional needs. Whether you want to lose weight, maintain your current weight, or build muscle, our calculators give you the precise numbers you need.
Our Calorie Calculator uses the Mifflin-St Jeor equation — the most accurate formula for estimating Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE). Simply enter your weight, height, age, gender and activity level to get your personalized calorie targets.
Our BMI Calculator helps you assess whether your weight is proportionate to your height. Combined with our Macro Calculator, you get a complete picture of your nutritional needs — protein, fat and carbohydrates optimized for your specific fitness goal.
All calculators are completely free, require no registration, and are based on peer-reviewed scientific research.
How It Works
Enter Your Stats
Weight, height, age, and activity level — that’s all we need.
Get Your Numbers
BMR, TDEE, BMI, or Macros calculated instantly based on proven formulas.
Use the Data
Plan your diet around real numbers, not guesswork. Track your progress over time.