BMR
2,170kcal
at rest
Sedentary
2,605kcal
×1.2
Lightly active
2,984kcal
×1.375
Moderately active
3,364kcal
×1.55
Show the math
BMR = 10 × 127.0 kg + 6.25 × 175.3 cm − 5 × 40 + 5 = 2,170 kcal
TDEE = 2,170 × 1.375 = 2,984 kcal/day
TDEE by age and activity
Daily calories burned for a 280 lb man, 5 ft 9 in tall, by age and activity level.
| Age | Sedentary | Lightly active | Moderately active | Very active | Extra active |
|---|---|---|---|---|---|
| Age 20 | 2,725 | 3,122 | 3,519 | 3,916 | 4,314 |
| Age 30 | 2,665 | 3,053 | 3,442 | 3,830 | 4,219 |
| Age 40 | 2,605 | 2,984 | 3,364 | 3,744 | 4,124 |
| Age 50 | 2,545 | 2,916 | 3,287 | 3,658 | 4,029 |
| Age 60 | 2,485 | 2,847 | 3,209 | 3,571 | 3,934 |
| Age 70 | 2,425 | 2,778 | 3,132 | 3,485 | 3,839 |
TDEE by height
Same weight at age 40, different heights.
| Height | Sedentary | Light | Moderate |
|---|---|---|---|
| 5 ft 4 in | 2,509 | 2,875 | 3,241 |
| 5 ft 6 in | 2,547 | 2,919 | 3,290 |
| 5 ft 8 in | 2,585 | 2,963 | 3,340 |
| 5 ft 10 in | 2,624 | 3,006 | 3,389 |
| 6 ft 0 in | 2,662 | 3,050 | 3,438 |
| 6 ft 2 in | 2,700 | 3,093 | 3,487 |
| 6 ft 4 in | 2,738 | 3,137 | 3,536 |
Calories to lose weight
| Goal | Calories/day | Change |
|---|---|---|
| Maintain | 2,984 | 0 |
| Lose 0.5 lb/week | 2,734 | -250 |
| Lose 1 lb/week | 2,484 | -500 |
| Lose 1.5 lb/week | 2,234 | -750 |
| Lose 2 lb/week | 1,984 | -1,000 |
Lightly active, age 40, 5 ft 9 in. * Raised to 1,500 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 man burn a day?
About 2,170 calories at rest (BMR) and about 2,984 on a lightly active day, at 5 ft 9 in and age 40. Height, age and activity change it.
How many calories should a 280 lb man eat to lose weight?
About 2,484 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.