Sedentary
1,554kcal
140 lb, 5 ft 4 in
Lightly active
1,781kcal
Moderately active
2,007kcal
Very active
2,234kcal
Show the math
BMR = 10 × 63.5 kg + 6.25 × 162.6 cm − 5 × 39 − 161 = 1,295
Calories per day by weight and activity
A 39-year-old woman, 5 ft 4 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,445 | 1,656 | 1,867 | 2,077 |
| 140 lb | 1,554 | 1,781 | 2,007 | 2,234 |
| 160 lb | 1,663 | 1,905 | 2,148 | 2,390 |
| 180 lb | 1,772 | 2,030 | 2,289 | 2,547 |
| 200 lb | 1,881 | 2,155 | 2,429 | 2,703 |
| 220 lb | 1,989 | 2,280 | 2,570 | 2,860 |
| 240 lb | 2,098 | 2,404 | 2,710 | 3,016 |
| 260 lb | 2,207 | 2,529 | 2,851 | 3,173 |
Calories to lose weight at 39
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,200 | 1,406 |
| 140 lb | 1,281 | 1,531 |
| 160 lb | 1,405 | 1,655 |
| 180 lb | 1,530 | 1,780 |
| 200 lb | 1,655 | 1,905 |
| 220 lb | 1,780 | 2,030 |
| 240 lb | 1,904 | 2,154 |
| 260 lb | 2,029 | 2,279 |
Lightly active. Never below 1,200 kcal without medical supervision.
How age changes it
Each extra decade lowers resting burn by about 50 calories in the Mifflin-St Jeor equation, all else equal. Muscle matters more: strength training and enough protein help keep your burn up as you age.
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 ages
Common questions
How many calories should a 39-year-old woman eat?
About 1,554 to 2,007 a day at 140 lb, depending on activity, to maintain weight. Your weight and height shift it; see the table.
How many calories should a 39-year-old woman eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,281 a day at 140 lb if lightly active.