TDEE for a 340 lb Man: Calories Burned per Day

BMR

2,443kcal

at rest

Sedentary

2,931kcal

×1.2

Lightly active

3,359kcal

×1.375

Moderately active

3,786kcal

×1.55

Show the math

BMR = 10 × 154.2 kg + 6.25 × 175.3 cm − 5 × 40 + 5 = 2,443 kcal

TDEE = 2,443 × 1.375 = 3,359 kcal/day

TDEE by age and activity

Daily calories burned for a 340 lb man, 5 ft 9 in tall, by age and activity level.

Age	Sedentary	Lightly active	Moderately active	Very active	Extra active
Age 20	3,051	3,496	3,941	4,386	4,831
Age 30	2,991	3,427	3,864	4,300	4,736
Age 40	2,931	3,359	3,786	4,213	4,641
Age 50	2,871	3,290	3,709	4,127	4,546
Age 60	2,811	3,221	3,631	4,041	4,451
Age 70	2,751	3,152	3,554	3,955	4,356

Same weight at age 40, different heights.

Height	Sedentary	Light	Moderate
5 ft 4 in	2,836	3,249	3,663
5 ft 6 in	2,874	3,293	3,712
5 ft 8 in	2,912	3,337	3,761
5 ft 10 in	2,950	3,380	3,811
6 ft 0 in	2,988	3,424	3,860
6 ft 2 in	3,026	3,468	3,909
6 ft 4 in	3,064	3,511	3,958

Lightly active, age 40, 5 ft 9 in. * Raised to 1,500 kcal, a common minimum without medical supervision.

How many calories does a 340 lb man burn a day?

About 2,443 calories at rest (BMR) and about 3,359 on a lightly active day, at 5 ft 9 in and age 40. Height, age and activity change it.

How many calories should a 340 lb man eat to lose weight?

About 2,859 a day for roughly 1 lb a week, if lightly active (a 500-calorie deficit).

Is this exact?

No. Formulas estimate averages within roughly 10% for most people. Track your weight for 2 to 3 weeks and adjust.