Calories per day by weight and activity
A 55-year-old woman, 5 ft 4 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,349 | 1,546 | 1,743 | 1,939 |
| 140 lb | 1,458 | 1,671 | 1,883 | 2,096 |
| 160 lb | 1,567 | 1,795 | 2,024 | 2,252 |
| 180 lb | 1,676 | 1,920 | 2,165 | 2,409 |
| 200 lb | 1,785 | 2,045 | 2,305 | 2,565 |
| 220 lb | 1,893 | 2,170 | 2,446 | 2,722 |
| 240 lb | 2,002 | 2,294 | 2,586 | 2,878 |
| 260 lb | 2,111 | 2,419 | 2,727 | 3,035 |
Calories to lose weight at 55
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,200 | 1,296 |
| 140 lb | 1,200 | 1,421 |
| 160 lb | 1,295 | 1,545 |
| 180 lb | 1,420 | 1,670 |
| 200 lb | 1,545 | 1,795 |
| 220 lb | 1,670 | 1,920 |
| 240 lb | 1,794 | 2,044 |
| 260 lb | 1,919 | 2,169 |
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.

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 55-year-old woman eat?
About 1,458 to 1,883 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 55-year-old woman eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,200 a day at 140 lb if lightly active.