What is the BMR for a 52-year-old woman?

The estimated BMR (basal metabolic rate) for a 52-year-old woman of average height and weight is 1331 kcal/day, calculated using the Mifflin-St Jeor equation.

Calorie Guide · Age 52

Calories for a 52-Year-Old Woman

Q: How many calories does a 52-year-old woman need?

A lightly active 52-year-old woman of average weight and height needs approximately 1830 kcal/day to maintain weight. Sedentary needs are around 1597 kcal, and very active around 2296 kcal.

Q: How many calories should a 52-year-old woman eat to lose weight?

A 52-year-old woman should eat approximately 1330 kcal/day to lose about 0.5 kg (1 lb) per week. This is a 500 kcal deficit from the estimated maintenance of 1830 kcal.

BMR, TDEE and exact calorie targets for weight loss, maintenance and muscle gain at age 52.

Calorie Needs at Age 52 — Average Woman

1331

BMR (at rest)

1597

Sedentary TDEE

1830
Lightly active TDEE

2063

Moderately active

1330

Weight loss target

1830

Maintenance

2130

Muscle gain target

How Many Calories Does a 52-Year-Old Woman Need?

Using the Mifflin-St Jeor equation with average US height and weight for a woman aged 52, the resting metabolic rate (BMR) is approximately 1331 kcal/day. With typical daily activity included, total calorie expenditure (TDEE) ranges from 1597 kcal (sedentary) to 2296 kcal (very active).

Age 52 note: After 40, muscle loss (sarcopenia) accelerates if untrained. Strength training 2–3×/week and higher protein intake (1 g/lb) are the most effective countermeasures.

Calorie Targets by Goal

Goal	Daily Calories	Expected Result
🔵 Aggressive weight loss	1080 kcal	~0.75 kg/week
📉 Weight loss	1330 kcal	~0.5 kg/week
✅ Maintenance	1830 kcal	Weight stable
💪 Lean bulk	2130 kcal	~0.25 kg/week
🏋️ Aggressive bulk	2330 kcal	~0.5 kg/week

Calorie Needs by Activity Level

Activity Level	Description	Daily Calories
Sedentary	Desk job, minimal movement	1597 kcal
Lightly active	1–3 workouts/week	1830 kcal
Moderately active	3–5 workouts/week	2063 kcal
Very active	Hard training 6–7 days/week	2296 kcal

How Metabolism Changes Around Age 52

Metabolic rate declines approximately 1–2% per decade after age 30, driven primarily by muscle loss (sarcopenia) rather than any inherent slowdown. At age 52, your BMR of 1331 kcal reflects your current muscle mass, height and hormonal status. The single most effective way to maintain or raise your BMR is resistance training — each kilogram of lean muscle burns roughly 13 kcal/day at rest.

Age	Estimated BMR (woman)	Change vs age 52
42	1381 kcal	+50 kcal
47	1356 kcal	+25 kcal
52	1331 kcal	—
57	1306 kcal	-25 kcal
62	1281 kcal	-50 kcal

Macronutrient Split at 1830 kcal

Macro	% of Calories	Grams/day	Calories
Protein	30%	137 g	548 kcal
Carbohydrates	40%	183 g	732 kcal
Fat	30%	61 g	549 kcal

At age 52, protein intake is especially important. Aim for at least 60–74 g/day to maintain muscle mass, whether you're in a deficit, at maintenance, or in a surplus.

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Frequently Asked Questions

How many calories does a 52-year-old woman need per day?A lightly active 52-year-old woman of average size needs approximately 1830 kcal/day to maintain weight. This ranges from 1597 kcal (sedentary) to 2296 kcal (very active).

How many calories should a 52-year-old woman eat to lose weight?Aim for 1330 kcal/day — a 500 kcal deficit from the 1830 kcal maintenance estimate — to lose approximately 0.5 kg per week. Never go below 1200 kcal (women) or 1500 kcal (men) for extended periods.

Does age 52 affect how many calories you burn?Yes. Every decade after 30, BMR drops ~1–2% mainly due to muscle loss. At age 52 the estimated BMR is 1331 kcal — compare to 1441 kcal at age 30. Resistance training largely offsets this decline.

Related Age Guides

Sources

WHO CDC Mifflin-St Jeor (PubMed)