Sedentary
1,847kcal
175 lb, 5 ft 9 in
Lightly active
2,116kcal
Moderately active
2,386kcal
Very active
2,655kcal
Show the math
BMR = 10 × 79.4 kg + 6.25 × 175.3 cm − 5 × 71 + 5 = 1,539
Calories per day by weight and activity
A 71-year-old man, 5 ft 9 in tall.
| Weight | Sedentary | Light | Moderate | Very active |
|---|---|---|---|---|
| 120 lb | 1,548 | 1,773 | 1,999 | 2,225 |
| 140 lb | 1,656 | 1,898 | 2,140 | 2,381 |
| 160 lb | 1,765 | 2,023 | 2,280 | 2,538 |
| 180 lb | 1,874 | 2,148 | 2,421 | 2,694 |
| 200 lb | 1,983 | 2,272 | 2,561 | 2,851 |
| 220 lb | 2,092 | 2,397 | 2,702 | 3,007 |
| 240 lb | 2,201 | 2,522 | 2,843 | 3,164 |
| 260 lb | 2,310 | 2,646 | 2,983 | 3,320 |
Calories to lose weight at 71
| Weight | Lose 1 lb/week | Lose 0.5 lb/week |
|---|---|---|
| 120 lb | 1,500 | 1,523 |
| 140 lb | 1,500 | 1,648 |
| 160 lb | 1,523 | 1,773 |
| 180 lb | 1,648 | 1,898 |
| 200 lb | 1,772 | 2,022 |
| 220 lb | 1,897 | 2,147 |
| 240 lb | 2,022 | 2,272 |
| 260 lb | 2,146 | 2,396 |
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 71-year-old man eat?
About 1,847 to 2,386 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 71-year-old man eat to lose weight?
Roughly 500 fewer than maintenance for about 1 lb a week, for example 1,616 a day at 175 lb if lightly active.