Your maintenance calories equal your daily average intake across 14 steady-weight days with typical activity; that average is your current calorie balance.
Sedentary
Moderate
Active
Gentle Deficit
- Eat ~300 kcal below maintenance
- Protein 1.6–2.2 g/kg
- Hold steps steady
Fat Loss
Maintenance
- Match the 14-day average
- Protein ~1.6 g/kg
- Regular sleep 7–9 h
Hold Steady
Lean Gain
- Add 200–300 kcal
- 2–3 strength days
- Small weekly changes
Muscle Gain
What Maintenance Calories Really Mean
Maintenance is the intake that keeps your scale trend flat while your activity stays the same. Eat at that level and your body mass holds. Go above it and you store energy. Go below it and you draw on stored energy. Simple idea, yet day-to-day swings can hide the pattern. That’s why averages matter.
Two Proven Ways To Find Your Maintenance
Fourteen-Day Intake Audit (No Math Needed)
Set Up
Pick two routine weeks. No crash diets. No holiday feasts. Keep steps, workouts, and sleep consistent. Use a food scale at home and clear photos or a reliable app when eating out.
Track
Log everything you eat and drink with calories. Count oils, sauces, creamers, and snacks. Weigh cooked meats and dry carbs separately when you can. Repeat brands and meals to cut effort.
Weigh
Step on the scale each morning after the restroom, before breakfast. Record in the same app or a sheet. A smart scale makes this easy, but any scale works if you’re consistent.
Average
After day 14, take your daily calorie average and your average body weight. If weight drift is within ±0.5 kg (±1 lb), that intake is your maintenance. If you gained, your true maintenance sits below the average you ate; if you lost, it sits above.
Nudge And Recheck
If drift is larger, adjust by 150–250 kcal and run another 7–10 days. Small tweaks beat big swings.
Formula Route (Mifflin-St Jeor + Activity)
Many coaches use Mifflin-St Jeor to estimate resting energy, then multiply by activity. It’s a solid starting point for adults.
- Men: REE = 10 × weight(kg) + 6.25 × height(cm) − 5 × age + 5
- Women: REE = 10 × weight(kg) + 6.25 × height(cm) − 5 × age − 161
Then apply a multiplier that matches your routine. The table below gives clear ranges you can use today. A public table of daily needs by age and activity from the Dietary Guidelines mirrors this pattern for reference.
| Activity Level | Daily Pattern | Multiplier |
|---|---|---|
| Sedentary | Desk work, <5k steps, light chores | ~1.20 |
| Lightly Active | 5–7k steps, 1–3 short workouts | ~1.37 |
| Moderately Active | 7–10k steps, 3–5 workouts | ~1.55 |
| Very Active | 10–14k steps, daily training/manual labor | ~1.73 |
| Extra Active | >14k steps, two-a-day training | ~1.90 |
Sample: 30-year-old woman, 65 kg, 165 cm, moderately active. REE ≈ 10×65 + 6.25×165 − 5×30 − 161 = 650 + 1031 − 150 − 161 = 1,370 kcal. TDEE ≈ 1,370 × 1.55 ≈ 2,124 kcal. That’s a start. Confirm with the 14-day audit.
Want a model that adapts to changes in intake and activity? The NIDDK Body Weight Planner predicts weight trends and helps set targets you can stick with.
Calories To Maintain Weight: A Simple Check
Rules of thumb save time. Many adults land near 28–35 kcal per kg body weight (13–16 kcal per lb) when activity is average. Smaller frames and quiet days sit at the low end. Bigger frames and busy days sit at the high end. Use it as a quick sense-check against your formula or audit.
What Moves Your Maintenance Up Or Down
- Steps And NEAT: Fidgeting, walking, standing, and chores add up. A bump from 5k to 10k steps can raise burn by 150–300 kcal.
- Training Load: Long runs, circuits, and heavy sessions raise expenditure. Deload weeks lower it.
- Muscle Mass: More lean tissue nudges resting burn upward. Strength work helps keep it.
- Thermic Effect Of Food: Protein costs more calories to process than fat or carbs. Higher protein days raise total burn a bit.
- Sleep And Stress: Short sleep and high stress can raise appetite and reduce movement. Intake creeps up while steps fall.
- Hormonal Swings: Many notice pre-period appetite spikes and water shifts. Look at weekly trends, not one day.
Macro Targets For Maintenance Made Easy
Calories set the ceiling. Macros shape your meals and satiety. Start with protein, set carbs around activity, and round out with fats you enjoy.
| Approach | Split | Best For |
|---|---|---|
| Balanced | Protein ~25–30% · Carbs ~40–45% · Fat ~25–30% | Mixed training and desk work |
| Carb-Lean Rest Days | Protein ~30% · Carbs ~30–35% · Fat ~35–40% | Fewer workouts, long sits |
| Carb-Forward Training Days | Protein ~25% · Carbs ~50–55% · Fat ~20–25% | Endurance or high-volume lifts |
Protein: 1.6–2.2 g/kg supports satiety and muscle. Carbs: place around training and long walks. Fats: fill the rest with nuts, seeds, olive oil, eggs, dairy, and fatty fish.
How To Keep Intake Honest
- Use A Scale: Weigh oils, rice, pasta, and cereal. Teaspoons and “cups” drift.
- Log Brands: Scan labels or pick entries with verified nutrition. Save meals you repeat.
- Dining Out: Build plates with a palm of protein, a fist of carbs, and a thumb or two of fats. Log a close match and add a buffer if sauces are heavy.
- Drinks Count: Lattes, juices, and mocktails add quick calories. Track them.
- Wearables: Step counts help you hold activity steady while you test intake.
Dialing Intake From Maintenance
Maintenance is your launchpad. Small changes go a long way.
- Slow Fat Loss: subtract 300–500 kcal. Keep protein high, keep steps steady, and lift 2–3 days a week.
- Lean Gain: add 200–300 kcal. Emphasize training quality, protein, and sleep. Watch waist and scale trend.
- Recomp Attempt: hold maintenance, lift hard, hit protein, and aim for progressive steps and sets.
Worked Examples
Rafi, 28, 80 kg, 173 cm, moderately active. REE ≈ 10×80 + 6.25×173 − 5×28 + 5 = 800 + 1,081 − 140 + 5 = 1,746 kcal. TDEE ≈ 1,746 × 1.55 ≈ 2,706 kcal. He runs a 14-day audit and averages 2,650 kcal with a flat weight trend. He keeps 2,650 as maintenance. For a slow cut he picks 2,250–2,350 kcal and adds 2,000 steps.
Ishrat, 34, 60 kg, 160 cm, lightly active. REE ≈ 10×60 + 6.25×160 − 5×34 − 161 = 600 + 1,000 − 170 − 161 = 1,269 kcal. TDEE ≈ 1,269 × 1.37 ≈ 1,740 kcal. Her 14-day audit shows 1,780 kcal with a slight gain, so true maintenance is nearer 1,700. She holds there for three weeks, then adds 200 kcal on training days to chase strength goals.
Common Snags And Fixes
- Inconsistent Steps: pick a daily floor, like 7–8k, then test intake.
- Weekend Spikes: plan high-calorie meals ahead. Bank a small buffer earlier in the day, not the week.
- Hidden Oils: log cooking fats. One tablespoon adds ~120 kcal.
- Small Plates All Week, Big Feast Day: the weekly average still rules. Your 14-day mean tells the truth.
- Water Swings: salty meals and menstrual phases shift scale readings. Watch the 7-day trend line.
Smart Tools That Make This Easier
Two resources pair well with this guide. The first is the official Dietary Guidelines table of estimated daily needs by age and activity. The second is the NIDDK Body Weight Planner, which models changes over time when you shift calories or activity.
Your Quick Start Today
- Choose the next 14 routine days. Keep steps and workouts steady.
- Weigh breakfast, lunch, dinner, and snacks. Log drinks and oils.
- Weigh yourself each morning. Note the number only; no judgment.
- Average calories and weight on day 15. That intake is your maintenance if weight was steady.
- Adjust by small amounts and retest if weight drift was larger than ±0.5 kg.
That’s it. You now have a number you can live with and steer as goals change.