TDEE for a 120 lb Man: Calories Burned per Day

BMR

1,445kcal

at rest

Sedentary

1,734kcal

×1.2

Lightly active

1,986kcal

×1.375

Moderately active

2,239kcal

×1.55

Show the math

BMR = 10 × 54.4 kg + 6.25 × 175.3 cm − 5 × 40 + 5 = 1,445 kcal

TDEE = 1,445 × 1.375 = 1,986 kcal/day

TDEE by age and activity

Daily calories burned for a 120 lb man, 5 ft 9 in tall, by age and activity level.

Age	Sedentary	Lightly active	Moderately active	Very active	Extra active
Age 20	1,854	2,124	2,394	2,665	2,935
Age 30	1,794	2,055	2,317	2,578	2,840
Age 40	1,734	1,986	2,239	2,492	2,745
Age 50	1,674	1,918	2,162	2,406	2,650
Age 60	1,614	1,849	2,084	2,320	2,555
Age 70	1,554	1,780	2,007	2,233	2,460

Same weight at age 40, different heights.

Height	Sedentary	Light	Moderate
5 ft 4 in	1,638	1,877	2,116
5 ft 6 in	1,676	1,921	2,165
5 ft 8 in	1,715	1,965	2,215
5 ft 10 in	1,753	2,008	2,264
6 ft 0 in	1,791	2,052	2,313
6 ft 2 in	1,829	2,096	2,362
6 ft 4 in	1,867	2,139	2,412

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

How many calories does a 120 lb man burn a day?

About 1,445 calories at rest (BMR) and about 1,986 on a lightly active day, at 5 ft 9 in and age 40. Height, age and activity change it.

How many calories should a 120 lb man eat to lose weight?

About 1,500 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.