BMR
1,925kcal
at rest
Sedentary
2,310kcal
×1.2
Lightly active
2,647kcal
×1.375
Moderately active
2,984kcal
×1.55
Show the math
BMR = 10 × 127.0 kg + 6.25 × 162.6 cm − 5 × 40 − 161 = 1,925 kcal
TDEE = 1,925 × 1.375 = 2,647 kcal/day
TDEE by age and activity
Daily calories burned for a 280 lb woman, 5 ft 4 in tall, by age and activity level.
| Age | Sedentary | Lightly active | Moderately active | Very active | Extra active |
|---|---|---|---|---|---|
| Age 20 | 2,430 | 2,784 | 3,139 | 3,493 | 3,848 |
| Age 30 | 2,370 | 2,716 | 3,061 | 3,407 | 3,753 |
| Age 40 | 2,310 | 2,647 | 2,984 | 3,321 | 3,658 |
| Age 50 | 2,250 | 2,578 | 2,906 | 3,234 | 3,563 |
| Age 60 | 2,190 | 2,509 | 2,829 | 3,148 | 3,468 |
| Age 70 | 2,130 | 2,441 | 2,751 | 3,062 | 3,373 |
TDEE by height
Same weight at age 40, different heights.
| Height | Sedentary | Light | Moderate |
|---|---|---|---|
| 5 ft 0 in | 2,234 | 2,560 | 2,885 |
| 5 ft 2 in | 2,272 | 2,603 | 2,935 |
| 5 ft 4 in | 2,310 | 2,647 | 2,984 |
| 5 ft 6 in | 2,348 | 2,691 | 3,033 |
| 5 ft 8 in | 2,386 | 2,734 | 3,082 |
| 5 ft 10 in | 2,424 | 2,778 | 3,131 |
Calories to lose weight
| Goal | Calories/day | Change |
|---|---|---|
| Maintain | 2,647 | 0 |
| Lose 0.5 lb/week | 2,397 | -250 |
| Lose 1 lb/week | 2,147 | -500 |
| Lose 1.5 lb/week | 1,897 | -750 |
| Lose 2 lb/week | 1,647 | -1,000 |
Lightly active, age 40, 5 ft 4 in. * Raised to 1,200 kcal, a common minimum without medical supervision.
How to use it
- Enter your numbers. Switch between US and metric units at any time.
- Results update as you type, and the formula is shown so you can check it.
- Copy the link, save the plan on this device, or print it for your next appointment.
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These are estimates, not a diagnosis. A clinician can account for your health history and medicines.
Nearby weights
Common questions
How many calories does a 280 lb woman burn a day?
About 1,925 calories at rest (BMR) and about 2,647 on a lightly active day, at 5 ft 4 in and age 40. Height, age and activity change it.
How many calories should a 280 lb woman eat to lose weight?
About 2,147 a day for roughly 1 lb a week, if lightly active (a 500-calorie deficit).
Is this exact?
No. Formulas estimate averages within roughly 10% for most people. Track your weight for 2 to 3 weeks and adjust.