BMR
2,424kcal
at rest
Sedentary
2,909kcal
×1.2
Lightly active
3,333kcal
×1.375
Moderately active
3,757kcal
×1.55
Show the math
BMR = 10 × 176.9 kg + 6.25 × 162.6 cm − 5 × 40 − 161 = 2,424 kcal
TDEE = 2,424 × 1.375 = 3,333 kcal/day
TDEE by age and activity
Daily calories burned for a 390 lb woman, 5 ft 4 in tall, by age and activity level.
| Age | Sedentary | Lightly active | Moderately active | Very active | Extra active |
|---|---|---|---|---|---|
| Age 20 | 3,029 | 3,471 | 3,912 | 4,354 | 4,796 |
| Age 30 | 2,969 | 3,402 | 3,835 | 4,268 | 4,701 |
| Age 40 | 2,909 | 3,333 | 3,757 | 4,181 | 4,606 |
| Age 50 | 2,849 | 3,264 | 3,680 | 4,095 | 4,511 |
| Age 60 | 2,789 | 3,196 | 3,602 | 4,009 | 4,416 |
| Age 70 | 2,729 | 3,127 | 3,525 | 3,923 | 4,321 |
TDEE by height
Same weight at age 40, different heights.
| Height | Sedentary | Light | Moderate |
|---|---|---|---|
| 5 ft 0 in | 2,833 | 3,246 | 3,659 |
| 5 ft 2 in | 2,871 | 3,289 | 3,708 |
| 5 ft 4 in | 2,909 | 3,333 | 3,757 |
| 5 ft 6 in | 2,947 | 3,377 | 3,806 |
| 5 ft 8 in | 2,985 | 3,420 | 3,856 |
| 5 ft 10 in | 3,023 | 3,464 | 3,905 |
Calories to lose weight
| Goal | Calories/day | Change |
|---|---|---|
| Maintain | 3,333 | 0 |
| Lose 0.5 lb/week | 3,083 | -250 |
| Lose 1 lb/week | 2,833 | -500 |
| Lose 1.5 lb/week | 2,583 | -750 |
| Lose 2 lb/week | 2,333 | -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 390 lb woman burn a day?
About 2,424 calories at rest (BMR) and about 3,333 on a lightly active day, at 5 ft 4 in and age 40. Height, age and activity change it.
How many calories should a 390 lb woman eat to lose weight?
About 2,833 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.