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Health · Updated 2026

Calorie Calculator

Find how many calories you should eat per day to maintain, lose or gain weight — your daily calorie needs (TDEE) from your metabolism and activity, with goal targets and a macro split.

Enter your data

kg
cm
yrs

Fill in your data and activity level. We show maintenance calories plus loss and gain targets.

=Daily calories
2,267kcal
BMR (resting)1,649 kcal
Activity level×1.375
Maintenance2,267 kcal
Mild loss (−0.25 kg/wk)1,992 kcal
Weight loss (−0.5 kg/wk)1,717 kcal
Weight gain (+0.5 kg/wk)2,817 kcal
Daily calories2,267 kcal/day

Estimate for maintaining weight. For fat loss pick a deficit; for muscle gain a moderate surplus.

▲Calorie targets by goal

Daily calories for each goal and the weekly weight change it aims for, at your activity level.

GoalDaily caloriesWeekly change
Fast weight loss1,167 kcal−1 kg/wk
Weight loss1,717 kcal−0.5 kg/wk
Mild weight loss1,992 kcal−0.25 kg/wk
Maintain weight2,267 kcal—
Mild weight gain2,542 kcal+0.25 kg/wk
Weight gain2,817 kcal+0.5 kg/wk

◔Calories by activity level

Your maintenance calories at each activity level, from sedentary to extra active.

Activity levelFactorDaily calories
Sedentary×1.21,979 kcal
Lightly active×1.3752,267 kcal
Moderately active×1.552,556 kcal
Very active×1.7252,844 kcal
Extra active×1.93,133 kcal

▦Macros at maintenance (balanced)

A balanced 30/40/30 split of protein, carbs and fat for your maintenance calories.

ProteinCarbsFat
170 g227 g76 g

Informational estimates, not medical advice. We use standard formulas (WHO, Mifflin-St Jeor, US Navy method). Instant in-browser calculation, no account, no data sent. For medical decisions, consult a professional.

✚ Results are for informational purposes and do not replace medical advice. For health decisions, consult a doctor.

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iHow it is calculated

Total daily energy expenditure (TDEE) is your BMR multiplied by an activity factor. Maintenance, loss and gain targets are derived from it:

TDEE = BMR × activity factor (1.2 – 1.9)

A BMR of 1649 kcal × 1.375 (lightly active) ≈ 2268 kcal/day for maintenance. To lose 0.5 kg/week, the target is ≈ 1768 kcal.

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?Frequently asked questions

What is TDEE (total daily energy expenditure)?

TDEE is the total number of calories you burn in a day, including resting metabolism, movement, digestion and exercise. It is the key number for maintaining, losing or gaining weight.

How is TDEE calculated?

First your BMR (resting metabolism) is computed, then multiplied by an activity factor: 1.2 (sedentary), 1.375 (lightly active), 1.55 (moderate), 1.725 (very active) or 1.9 (extra active).

How many calories should I eat to lose weight?

To lose about 0.5 kg per week, subtract roughly 500 calories from your TDEE. Too large a deficit is hard to sustain and can cause muscle loss.

How many calories do I need to gain weight?

To gain weight, add about 300–500 calories above TDEE, ideally combined with strength training so the surplus goes to muscle rather than fat.

Which activity level should I pick?

Sedentary = desk job, no sport. Lightly active = light movement 1–3 days. Moderate = sport 3–5 days. Very active = intense sport 6–7 days. Extra = physical job plus daily training.

Why does TDEE vary from day to day?

Real burn depends on how much you move that day. TDEE is an average; some days you burn more, some less. Track the weekly average.

How fast can I safely lose weight?

Generally 0.5–1 kg per week is considered safe and sustainable. That corresponds to a deficit of 500–1000 calories per day below TDEE.

Why am I not losing weight even below my TDEE?

Common causes: underestimating calories eaten, overestimating activity, water retention or metabolic adaptation. Re-check portions and stay consistent for a few weeks.

How many calories are in a kilogram of fat?

About 7,700 calories. That is why a daily deficit of roughly 1,100 calories theoretically leads to losing one kilogram of fat per week.

Does TDEE already include exercise calories?

Yes, the activity factor already includes your usual movement and workouts. Do not separately add gym calories, or you will count them twice.

What does the calorie targets table show?

It lists the daily calories for each goal — fast loss (−1 kg/week), loss (−0.5), mild loss (−0.25), maintenance, mild gain (+0.25) and gain (+0.5) — with the weekly weight change each one aims for. Maintenance (your TDEE) is highlighted; pick a deficit to lose or a surplus to gain.

How many grams of protein, carbs and fat should I eat?

The macros block splits your maintenance calories into a balanced 30% protein, 40% carbohydrate and 30% fat, shown in grams (protein and carbs are 4 kcal/g, fat 9 kcal/g). Raise protein if you train for muscle; lower carbs for a low-carb approach.

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