Calories per day by weight and activity
A 43-year-old man, 5 ft 9 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,716 | 1,966 | 2,216 | 2,466 |
| 140 lb | 1,824 | 2,091 | 2,357 | 2,623 |
| 160 lb | 1,933 | 2,215 | 2,497 | 2,779 |
| 180 lb | 2,042 | 2,340 | 2,638 | 2,936 |
| 200 lb | 2,151 | 2,465 | 2,778 | 3,092 |
| 220 lb | 2,260 | 2,590 | 2,919 | 3,249 |
| 240 lb | 2,369 | 2,714 | 3,060 | 3,405 |
| 260 lb | 2,478 | 2,839 | 3,200 | 3,562 |
Calories to lose weight at 43
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,500 | 1,716 |
| 140 lb | 1,591 | 1,841 |
| 160 lb | 1,715 | 1,965 |
| 180 lb | 1,840 | 2,090 |
| 200 lb | 1,965 | 2,215 |
| 220 lb | 2,090 | 2,340 |
| 240 lb | 2,214 | 2,464 |
| 260 lb | 2,339 | 2,589 |
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 43-year-old man eat?
About 2,015 to 2,603 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 43-year-old man eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,809 a day at 175 lb if lightly active.