How many calories should a 45-year-old male (sedentary) eat to lose weight?
Answer
1,549 calories/day
BMR: 1,708 cal/dayTDEE (Sedentary): 2,049 cal/dayGoal: Lose Weight — TDEE - 500 cal deficit for ~1 lb/week lossBased on 5'10", 180 lbs
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How We Calculated This
BMR = (10 × weight_kg) + (6.25 × height_cm) - (5 × age) + 5
BMR = (10 × 81.6) + (6.25 × 177.8) - (5 × 45) + 5 = 1708. TDEE = 1708 × 1.2 = 2049. Target = 2049 - 500 = 1549
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How many calories should a 18-year-old male (sedentary) eat to lose weight?1,711 calories/dayHow many calories should a 18-year-old male (sedentary) eat to maintain weight?2,211 calories/dayHow many calories should a 18-year-old male (sedentary) eat to gain muscle?2,511 calories/dayHow many calories should a 18-year-old male (lightly active) eat to lose weight?2,034 calories/dayHow many calories should a 18-year-old male (lightly active) eat to maintain weight?2,534 calories/day
Calculated using verified formulas. Last updated March 2026.