Sedentary
2,039kcal
175 lb, 5 ft 9 in
Lightly active
2,336kcal
Moderately active
2,634kcal
Very active
2,931kcal
Show the math
BMR = 10 × 79.4 kg + 6.25 × 175.3 cm − 5 × 39 + 5 = 1,699
Calories per day by weight and activity
A 39-year-old man, 5 ft 9 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,740 | 1,993 | 2,247 | 2,501 |
| 140 lb | 1,848 | 2,118 | 2,388 | 2,657 |
| 160 lb | 1,957 | 2,243 | 2,528 | 2,814 |
| 180 lb | 2,066 | 2,368 | 2,669 | 2,970 |
| 200 lb | 2,175 | 2,492 | 2,809 | 3,127 |
| 220 lb | 2,284 | 2,617 | 2,950 | 3,283 |
| 240 lb | 2,393 | 2,742 | 3,091 | 3,440 |
| 260 lb | 2,502 | 2,866 | 3,231 | 3,596 |
Calories to lose weight at 39
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,500 | 1,743 |
| 140 lb | 1,618 | 1,868 |
| 160 lb | 1,743 | 1,993 |
| 180 lb | 1,868 | 2,118 |
| 200 lb | 1,992 | 2,242 |
| 220 lb | 2,117 | 2,367 |
| 240 lb | 2,242 | 2,492 |
| 260 lb | 2,366 | 2,616 |
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 39-year-old man eat?
About 2,039 to 2,634 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 39-year-old man eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,836 a day at 175 lb if lightly active.