What is the BMR for a 22-year-old woman?

The estimated BMR (basal metabolic rate) for a 22-year-old woman of average height and weight is 1481 kcal/day, calculated using the Mifflin-St Jeor equation.

Calorie Guide · Age 22

Calories for a 22-Year-Old Woman

Q: How many calories does a 22-year-old woman need?

A lightly active 22-year-old woman of average weight and height needs approximately 2037 kcal/day to maintain weight. Sedentary needs are around 1777 kcal, and very active around 2555 kcal.

Q: How many calories should a 22-year-old woman eat to lose weight?

A 22-year-old woman should eat approximately 1537 kcal/day to lose about 0.5 kg (1 lb) per week. This is a 500 kcal deficit from the estimated maintenance of 2037 kcal.

BMR, TDEE and exact calorie targets for weight loss, maintenance and muscle gain at age 22.

Calorie Needs at Age 22 — Average Woman

1481

BMR (at rest)

1777

Sedentary TDEE

2037
Lightly active TDEE

2296

Moderately active

1537

Weight loss target

2037

Maintenance

2337

Muscle gain target

How Many Calories Does a 22-Year-Old Woman Need?

Using the Mifflin-St Jeor equation with average US height and weight for a woman aged 22, the resting metabolic rate (BMR) is approximately 1481 kcal/day. With typical daily activity included, total calorie expenditure (TDEE) ranges from 1777 kcal (sedentary) to 2555 kcal (very active).

Age 22 note: Metabolism is at its peak in your late teens and early twenties. Prioritize protein and resistance training to build muscle that pays dividends for decades.

Calorie Targets by Goal

Goal	Daily Calories	Expected Result
🔵 Aggressive weight loss	1287 kcal	~0.75 kg/week
📉 Weight loss	1537 kcal	~0.5 kg/week
✅ Maintenance	2037 kcal	Weight stable
💪 Lean bulk	2337 kcal	~0.25 kg/week
🏋️ Aggressive bulk	2537 kcal	~0.5 kg/week

Calorie Needs by Activity Level

Activity Level	Description	Daily Calories
Sedentary	Desk job, minimal movement	1777 kcal
Lightly active	1–3 workouts/week	2037 kcal
Moderately active	3–5 workouts/week	2296 kcal
Very active	Hard training 6–7 days/week	2555 kcal

How Metabolism Changes Around Age 22

Metabolic rate declines approximately 1–2% per decade after age 30, driven primarily by muscle loss (sarcopenia) rather than any inherent slowdown. At age 22, your BMR of 1481 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 22
18	1501 kcal	+20 kcal
18	1501 kcal	+20 kcal
22	1481 kcal	—
27	1456 kcal	-25 kcal
32	1431 kcal	-50 kcal

Macronutrient Split at 2037 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

At age 22, 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 22-year-old woman need per day?A lightly active 22-year-old woman of average size needs approximately 2037 kcal/day to maintain weight. This ranges from 1777 kcal (sedentary) to 2555 kcal (very active).

How many calories should a 22-year-old woman eat to lose weight?Aim for 1537 kcal/day — a 500 kcal deficit from the 2037 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 22 affect how many calories you burn?Yes. Every decade after 30, BMR drops ~1–2% mainly due to muscle loss. At age 22 the estimated BMR is 1481 kcal — compare to 1441 kcal at age 30. Resistance training largely offsets this decline.

Related Age Guides

Sources

WHO CDC Mifflin-St Jeor (PubMed)