How many calories should a 45-year-old female (lightly active) eat to maintain weight?
Answer
1,824 calories/day
BMR: 1,326 cal/dayTDEE (Lightly Active): 1,824 cal/dayGoal: Maintain Weight — TDEE — calories to maintain current weightBased on 5'5", 150 lbs
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How We Calculated This
BMR = (10 × weight_kg) + (6.25 × height_cm) - (5 × age) - 161
BMR = (10 × 68.0) + (6.25 × 165.1) - (5 × 45) - 161 = 1326. TDEE = 1326 × 1.375 = 1824. Target = 1824 (maintain)
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Calculated using verified formulas. Last updated March 2026.