Sedentary
2,111kcal
175 lb, 5 ft 9 in
Lightly active
2,419kcal
Moderately active
2,727kcal
Very active
3,035kcal
Show the math
BMR = 10 × 79.4 kg + 6.25 × 175.3 cm − 5 × 27 + 5 = 1,759
Calories per day by weight and activity
A 27-year-old man, 5 ft 9 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,812 | 2,076 | 2,340 | 2,604 |
| 140 lb | 1,920 | 2,201 | 2,481 | 2,761 |
| 160 lb | 2,029 | 2,325 | 2,621 | 2,917 |
| 180 lb | 2,138 | 2,450 | 2,762 | 3,074 |
| 200 lb | 2,247 | 2,575 | 2,902 | 3,230 |
| 220 lb | 2,356 | 2,700 | 3,043 | 3,387 |
| 240 lb | 2,465 | 2,824 | 3,184 | 3,543 |
| 260 lb | 2,574 | 2,949 | 3,324 | 3,700 |
Calories to lose weight at 27
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,576 | 1,826 |
| 140 lb | 1,701 | 1,951 |
| 160 lb | 1,825 | 2,075 |
| 180 lb | 1,950 | 2,200 |
| 200 lb | 2,075 | 2,325 |
| 220 lb | 2,200 | 2,450 |
| 240 lb | 2,324 | 2,574 |
| 260 lb | 2,449 | 2,699 |
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.
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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 27-year-old man eat?
About 2,111 to 2,727 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 27-year-old man eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,919 a day at 175 lb if lightly active.