BMR
1,290kcal
at rest
Sedentary
1,548kcal
×1.2
Lightly active
1,774kcal
×1.375
Moderately active
2,000kcal
×1.55
Show the math
BMR = 10 × 63.5 kg + 6.25 × 162.6 cm − 5 × 40 − 161 = 1,290 kcal
TDEE = 1,290 × 1.375 = 1,774 kcal/day
TDEE by age and activity
Daily calories burned for a 140 lb woman, 5 ft 4 in tall, by age and activity level.
| Age | Sedentary | Lightly active | Moderately active | Very active | Extra active |
|---|---|---|---|---|---|
| Age 20 | 1,668 | 1,911 | 2,155 | 2,398 | 2,641 |
| Age 30 | 1,608 | 1,843 | 2,077 | 2,312 | 2,546 |
| Age 40 | 1,548 | 1,774 | 2,000 | 2,225 | 2,451 |
| Age 50 | 1,488 | 1,705 | 1,922 | 2,139 | 2,356 |
| Age 60 | 1,428 | 1,636 | 1,845 | 2,053 | 2,261 |
| Age 70 | 1,368 | 1,568 | 1,767 | 1,967 | 2,166 |
TDEE by height
Same weight at age 40, different heights.
| Height | Sedentary | Light | Moderate |
|---|---|---|---|
| 5 ft 0 in | 1,472 | 1,686 | 1,901 |
| 5 ft 2 in | 1,510 | 1,730 | 1,950 |
| 5 ft 4 in | 1,548 | 1,774 | 2,000 |
| 5 ft 6 in | 1,586 | 1,817 | 2,049 |
| 5 ft 8 in | 1,624 | 1,861 | 2,098 |
| 5 ft 10 in | 1,662 | 1,905 | 2,147 |
Calories to lose weight
| Goal | Calories/day | Change |
|---|---|---|
| Maintain | 1,774 | 0 |
| Lose 0.5 lb/week | 1,524 | -250 |
| Lose 1 lb/week | 1,274 | -500 |
| Lose 1.5 lb/week | 1,200 * | -750 |
| Lose 2 lb/week | 1,200 * | -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 140 lb woman burn a day?
About 1,290 calories at rest (BMR) and about 1,774 on a lightly active day, at 5 ft 4 in and age 40. Height, age and activity change it.
How many calories should a 140 lb woman eat to lose weight?
About 1,274 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.