What is the BMR for a 56-year-old woman?

The estimated BMR (basal metabolic rate) for a 56-year-old woman of average height and weight is 1311 kcal/day, calculated using the Mifflin-St Jeor equation.

Calorie Guide · Age 56

Calories for a 56-Year-Old Woman

Q: How many calories does a 56-year-old woman need?

A lightly active 56-year-old woman of average weight and height needs approximately 1803 kcal/day to maintain weight. Sedentary needs are around 1573 kcal, and very active around 2262 kcal.

Q: How many calories should a 56-year-old woman eat to lose weight?

A 56-year-old woman should eat approximately 1303 kcal/day to lose about 0.5 kg (1 lb) per week. This is a 500 kcal deficit from the estimated maintenance of 1803 kcal.

BMR, TDEE and exact calorie targets for weight loss, maintenance and muscle gain at age 56.

Calorie Needs at Age 56 — Average Woman

1311

BMR (at rest)

1573

Sedentary TDEE

1803
Lightly active TDEE

2032

Moderately active

1303

Weight loss target

1803

Maintenance

2103

Muscle gain target

How Many Calories Does a 56-Year-Old Woman Need?

Using the Mifflin-St Jeor equation with average US height and weight for a woman aged 56, the resting metabolic rate (BMR) is approximately 1311 kcal/day. With typical daily activity included, total calorie expenditure (TDEE) ranges from 1573 kcal (sedentary) to 2262 kcal (very active).

Age 56 note: Hormonal changes in your fifties reduce metabolic rate and shift fat distribution. Consistent exercise and sleep quality become increasingly important for weight management.

Calorie Targets by Goal

Goal	Daily Calories	Expected Result
🔵 Aggressive weight loss	1053 kcal	~0.75 kg/week
📉 Weight loss	1303 kcal	~0.5 kg/week
✅ Maintenance	1803 kcal	Weight stable
💪 Lean bulk	2103 kcal	~0.25 kg/week
🏋️ Aggressive bulk	2303 kcal	~0.5 kg/week

Calorie Needs by Activity Level

Activity Level	Description	Daily Calories
Sedentary	Desk job, minimal movement	1573 kcal
Lightly active	1–3 workouts/week	1803 kcal
Moderately active	3–5 workouts/week	2032 kcal
Very active	Hard training 6–7 days/week	2262 kcal

How Metabolism Changes Around Age 56

Metabolic rate declines approximately 1–2% per decade after age 30, driven primarily by muscle loss (sarcopenia) rather than any inherent slowdown. At age 56, your BMR of 1311 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 56
46	1361 kcal	+50 kcal
51	1336 kcal	+25 kcal
56	1311 kcal	—
61	1286 kcal	-25 kcal
66	1261 kcal	-50 kcal

Macronutrient Split at 1803 kcal

Macro	% of Calories	Grams/day	Calories
Protein	30%	135 g	540 kcal
Carbohydrates	40%	180 g	720 kcal
Fat	30%	60 g	540 kcal

At age 56, 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 56-year-old woman need per day?A lightly active 56-year-old woman of average size needs approximately 1803 kcal/day to maintain weight. This ranges from 1573 kcal (sedentary) to 2262 kcal (very active).

How many calories should a 56-year-old woman eat to lose weight?Aim for 1303 kcal/day — a 500 kcal deficit from the 1803 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 56 affect how many calories you burn?Yes. Every decade after 30, BMR drops ~1–2% mainly due to muscle loss. At age 56 the estimated BMR is 1311 kcal — compare to 1441 kcal at age 30. Resistance training largely offsets this decline.

Related Age Guides

Sources

WHO CDC Mifflin-St Jeor (PubMed)