Knowing your exact maintenance calories is the foundation of any nutritional strategy. Whether you want to lose fat, build muscle, or simply maintain your current weight, you need to know your baseline — your TDEE (Total Daily Energy Expenditure).
Maintenance calories are not a fixed number — they change as your weight, activity level, and metabolism change over time.
What Are Maintenance Calories?
Maintenance calories (TDEE) is the exact amount of food energy you need to consume to maintain your current weight — neither gaining nor losing. Eating above this number creates a calorie surplus (weight gain); eating below creates a deficit (weight loss). Your TDEE includes BMR (60–75%) + physical activity (15–30%) + thermic effect of food (5–10%).
Why Maintenance Calories Change Over Time
Your TDEE is dynamic, not static. It decreases as you lose weight (less mass to fuel), decreases with age (muscle loss, hormonal changes), decreases with prolonged dieting (adaptive thermogenesis), and increases with muscle gain (more metabolically active tissue). Recalculate whenever your weight changes by 5+ kg or your activity level changes significantly.
Finding Your True Maintenance
Calculators give an estimate. Your true maintenance is found empirically: track calories accurately for 3–4 weeks while your weight remains stable. The average calories consumed during that period is your true maintenance. Most people's true maintenance is within ±10% of the calculated value.
Metabolic Adaptation and Diet Breaks
Prolonged calorie restriction (> 4–6 weeks) causes adaptive thermogenesis — the body reduces TDEE by 100–300 kcal beyond what weight loss explains. Eating at maintenance for 1–2 weeks (a "diet break") can partially restore metabolic rate and leptin levels, improving long-term fat loss outcomes.
💡 Expert Tips
- ✓Recalculate your maintenance calories every time you lose or gain 5 kg — your needs change with your weight.
- ✓Weigh yourself weekly (same day, same time) and average across 4 weeks to find your true maintenance.
- ✓Maintenance eating is a skill — gradual increases of 100–200 kcal/week (reverse dieting) after a fat loss phase prevents rapid fat regain.
- ✓Strength training increases your maintenance calories by building muscle tissue, which burns more calories at rest.
- ✓Non-Exercise Activity Thermogenesis (NEAT) — fidgeting, walking, standing — accounts for 100–400 kcal/day variation between individuals. Increasing NEAT is the easiest way to raise maintenance calories.
📊 Maintenance Calorie Estimates by Weight and Activity
| Body Weight | Sedentary | Moderate | Very Active |
|---|---|---|---|
| 55 kg | 1,600–1,800 | 1,900–2,100 | 2,300–2,600 |
| 65 kg | 1,750–1,950 | 2,100–2,300 | 2,500–2,800 |
| 75 kg | 1,900–2,100 | 2,300–2,600 | 2,700–3,100 |
| 85 kg | 2,050–2,300 | 2,500–2,800 | 3,000–3,400 |
| 95 kg | 2,200–2,500 | 2,700–3,100 | 3,200–3,700 |
| 105 kg | 2,400–2,700 | 2,900–3,300 | 3,500–4,000 |
Frequently Asked Questions
How do I know if I'm eating at maintenance?+
What happens if I eat at maintenance every day?+
How can I raise my maintenance calories?+
Should I always eat at my calculated maintenance?+
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