An estimate of what your body needs, not a fixed rule to follow
Your calorie result estimates the energy your body needs each day based on your age, size, and activity level, adjusted for the goal you selected. It's calculated using established formulas that work well as a general guide, but everyone's actual needs vary somewhat based on factors like muscle mass, metabolism, and overall health, which a formula alone can't fully capture. This number works best as a starting reference point, something to check in against over time and adjust as needed, rather than a strict target to hit exactly every single day.
TDEE / Calorie Calculator
Estimate your daily calorie needs based on your age, body measurements and activity level.
Your Daily Calorie Needs
Based on the information you entered
Estimated Maintenance Macronutrients
Approximate daily macronutrient targets using a balanced 30% protein, 40% carbohydrate and 30% fat distribution.
What people usually ask about their calorie result
Calorie numbers can feel more definitive than they actually are, and it's easy to treat a calculated result as a strict daily rule rather than the estimate it's meant to be. People often want to know how the number was actually calculated, why it might feel too high or too low compared to what they expected, and how activity level and stated goals factor into the final figure. Others are unsure whether it's safe to aim for a specific calorie target on their own, especially for weight loss, or whether that decision needs more guidance than a calculator alone can offer. Below are clear answers to the questions we hear most often, covering how the estimate works, what can make it inaccurate, and when it's worth involving a doctor before acting on the result.
The calculator estimates your Basal Metabolic Rate based on your age, gender, height, and weight, then adjusts that figure based on your selected activity level and goal to estimate your total daily calorie needs.
Small differences in reported height, weight, or activity level can shift the result noticeably. Activity level in particular is often overestimated or underestimated, since it's based on a general description rather than a precise measurement of your actual daily movement.
This number is an estimate meant to guide general planning, not a precise medical prescription. Significant or sustained calorie changes, especially for weight loss, are best discussed with a doctor, particularly if you have an existing health condition.
No. Conditions like thyroid disorders, PCOS, or certain medications can affect how your body uses energy, and this calculator doesn't adjust for that. If you have a condition that might affect your metabolism, a doctor's guidance is more reliable than a general calculation.
This calculator is designed for general adult use and isn't appropriate for children or pregnant women, both of whom have calorie needs that should be assessed directly by a pediatrician or gynecologist rather than a general online formula.