CalorieCalculator24

Master Your 24-Hour
Energy Balance

Stop guessing. Get precise calorie targets based on your metabolic rate and daily movement. Instant results. No sign-up required.

Accurate Mobile Ready Scientific

Personalized 24-Hour Plan

The "24" Concept

Your body burns energy in a 24-hour cycle. We calculate your TDEE to help you manage how many calories you need in a full day.

Precision Macros

Calories aren't everything. We provide a breakdown of Protein, Fats, and Carbs to ensure you're fueling your performance.

Scientific Basis

Using the Mifflin-St Jeor equation—the current gold standard for BMR estimation in healthy adults.

Common Questions

What is TDEE?

TDEE stands for Total Daily Energy Expenditure. It represents the total amount of calories you burn in a 24-hour period, including your basal metabolic rate and physical activity.

How accurate is this calculator?

While no online calculator is 100% perfect as metabolism varies by individual, the Mifflin-St Jeor equation is considered the most accurate estimation for most people.

How often should I recalculate?

We recommend recalculating every 5-10 lbs (2-5 kg) of weight change, as your caloric needs shift as your body mass changes.