Sedentary
1,644kcal
140 lb, 5 ft 4 in
Lightly active
1,884kcal
Moderately active
2,124kcal
Very active
2,363kcal
Show the math
BMR = 10 × 63.5 kg + 6.25 × 162.6 cm − 5 × 24 − 161 = 1,370
Calories per day by weight and activity
A 24-year-old woman, 5 ft 4 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,535 | 1,759 | 1,983 | 2,207 |
| 140 lb | 1,644 | 1,884 | 2,124 | 2,363 |
| 160 lb | 1,753 | 2,009 | 2,264 | 2,520 |
| 180 lb | 1,862 | 2,133 | 2,405 | 2,676 |
| 200 lb | 1,971 | 2,258 | 2,545 | 2,833 |
| 220 lb | 2,079 | 2,383 | 2,686 | 2,989 |
| 240 lb | 2,188 | 2,507 | 2,827 | 3,146 |
| 260 lb | 2,297 | 2,632 | 2,967 | 3,302 |
Calories to lose weight at 24
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,259 | 1,509 |
| 140 lb | 1,384 | 1,634 |
| 160 lb | 1,509 | 1,759 |
| 180 lb | 1,633 | 1,883 |
| 200 lb | 1,758 | 2,008 |
| 220 lb | 1,883 | 2,133 |
| 240 lb | 2,007 | 2,257 |
| 260 lb | 2,132 | 2,382 |
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 24-year-old woman eat?
About 1,644 to 2,124 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 24-year-old woman eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,384 a day at 140 lb if lightly active.