How many calories should a 50-year-old 140 lb man eat to lose weight?

A 50-year-old 140 lb man should eat approximately 1543 kcal/day to lose about 1 lb per week — a 500 kcal deficit from the maintenance estimate of 2043 kcal.

What is the BMI for a 140 lb man?

At 140 lbs (63.5 kg) and average height (175.3 cm), the BMI is 20.7 — Healthy weight ✅.

Calorie Guide · Age 50 · 140 lbs

Calories for a 50-Year-Old 140 lb Man

Q: How many calories does a 50-year-old 140 lb man need?

A lightly active 50-year-old 140 lb man of average height needs approximately 2043 kcal/day to maintain weight. This ranges from 1783 kcal (sedentary) to 2563 kcal (very active).

Exact BMR, TDEE and calorie targets for a 50-year-old man weighing 140 lbs (63.5 kg).

Calorie Needs: 50 years old · 140 lbs · Man

1486

BMR (at rest)

1783

Sedentary TDEE

2043
Lightly active TDEE

2303

Moderately active

1543

Weight loss target

2043

Maintenance

2343

Muscle gain target

How Many Calories Does a 50-Year-Old 140 lb Man Need?

Using the Mifflin-St Jeor equation with your exact inputs — age 50, weight 140 lbs (63.5 kg), average man's height (175.3 cm) — the resting metabolic rate is 1486 kcal/day. With typical daily activity, total calorie expenditure (TDEE) ranges from 1783 kcal (sedentary) to 2563 kcal (very active).

Age 50 note: In your fifties, protein needs stay high (1.2–1.6g/kg) while calorie needs drop. Prioritizing protein and resistance training prevents the muscle loss that accelerates aging.

Calorie Targets by Goal

Goal	Daily Calories	Expected Result
🔵 Aggressive weight loss	1293 kcal	~1.5 lbs/week
📉 Weight loss	1543 kcal	~1 lb/week
✅ Maintenance	2043 kcal	Weight stable
💪 Lean bulk	2343 kcal	~0.5 lbs/week
🏋️ Aggressive bulk	2543 kcal	~1 lb/week

Calorie Needs by Activity Level

Activity Level	Description	Daily Calories
Sedentary	Desk job, minimal movement	1783 kcal
Lightly active	1–3 workouts/week	2043 kcal
Moderately active	3–5 workouts/week	2303 kcal
Very active	Hard training 6–7 days/week	2563 kcal

BMI at 140 lbs

At 140 lbs (63.5 kg) and average height for a man (175.3 cm), your BMI is 20.7 — Healthy weight ✅. BMI is a useful screening tool but doesn't measure body composition. Waist circumference and muscle mass provide additional context.

Macronutrient Split at 2043 kcal

Macro	% of Calories	Grams/day	Calories
Protein	30%	153 g	612 kcal
Carbohydrates	40%	204 g	816 kcal
Fat	30%	68 g	612 kcal

For weight loss at 1543 kcal/day, increase protein to 35% (135 g/day) to preserve muscle during the deficit. At age 50, protein becomes increasingly important for maintaining metabolic rate.

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Frequently Asked Questions

How many calories should a 50-year-old 140 lb man eat per day?A lightly active 50-year-old 140 lb man needs approximately 2043 kcal/day to maintain weight. This ranges from 1783 kcal (sedentary) to 2563 kcal (very active).

How many calories to lose weight at 140 lbs, age 50?Eat 1543 kcal/day for a 500 kcal deficit — approximately 1 lb of fat loss per week. Recalculate your targets every 4–6 weeks as your weight changes.

Does age 50 significantly affect calorie needs vs age 45?At age 50, BMR is approximately 1486 kcal vs 1511 kcal at age 45 — a difference of 25 kcal/day. This is mainly driven by gradual muscle loss over time, which is largely preventable with resistance training.

Related Calorie Guides

Sources

Mifflin-St Jeor Equation (PubMed) CDC Healthy Weight WHO