Calories per day by weight and activity
A 55-year-old man, 5 ft 9 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,644 | 1,883 | 2,123 | 2,363 |
| 140 lb | 1,752 | 2,008 | 2,264 | 2,519 |
| 160 lb | 1,861 | 2,133 | 2,404 | 2,676 |
| 180 lb | 1,970 | 2,258 | 2,545 | 2,832 |
| 200 lb | 2,079 | 2,382 | 2,685 | 2,989 |
| 220 lb | 2,188 | 2,507 | 2,826 | 3,145 |
| 240 lb | 2,297 | 2,632 | 2,967 | 3,302 |
| 260 lb | 2,406 | 2,756 | 3,107 | 3,458 |
Calories to lose weight at 55
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,500 | 1,633 |
| 140 lb | 1,508 | 1,758 |
| 160 lb | 1,633 | 1,883 |
| 180 lb | 1,758 | 2,008 |
| 200 lb | 1,882 | 2,132 |
| 220 lb | 2,007 | 2,257 |
| 240 lb | 2,132 | 2,382 |
| 260 lb | 2,256 | 2,506 |
Lightly active. Never below 1,500 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 man eat?
About 1,943 to 2,510 a day at 175 lb, depending on activity, to maintain weight. Your weight and height shift it; see the table.
How many calories should a 55-year-old man eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,726 a day at 175 lb if lightly active.