How to gain 15 lbs in a month

To gain 15 lbs in a month, a typical 30-year-old male (5'9", 176.4 lbs, sedentary) burning about 2099 calories per day would need to eat approximately 3870 calories per day.

A typical 30-year-old female (5'3", 132.3 lbs, sedentary) burning about 1547 calories per day, would need to eat approximately 3319 calories per day.

These are rough estimates. Your actual calorie needs depend on your age, gender, height, weight, and activity level. Use the calculator below to get a personalized estimate.

Enter your parameters below to get a personalized estimate

Adjust the parameters below to see projections based on your own body metrics.

Your Parameters
ft
in
Daily Energy Expenditure (TDEE)

Estimated from your parameters

2099 kcal/day

Your Goal

To gain 15 lbs in 1 month, you would need to eat approximately 3870 calories per day, given your TDEE of 2099 kcal/day. After reaching your goal, your maintenance intake would be approximately 2180 kcal/day.

Estimated Weight Over Time
Daily Calories1 Week2 Weeks1 Month3 Months
1679 kcal-20%175.5 lbs174.6 lbs172.8 lbs166.2 lbs
1889 kcal-10%175.9 lbs175.5 lbs174.6 lbs171.3 lbs
2099 kcalMaintenance176.4 lbs176.4 lbs176.4 lbs176.4 lbs
2308 kcal+10%176.8 lbs177.3 lbs178.1 lbs181.4 lbs
2518 kcal+20%177.3 lbs178.1 lbs179.9 lbs186.5 lbs
3870 kcalYour goal (+84%)179.9 lbs183.4 lbs191.1 lbs218.9 lbs
Weight Projection
1679 kcal (-20%)
1889 kcal (-10%)
2099 kcal (Maintenance)
2308 kcal (+10%)
2518 kcal (+20%)
3870 kcal (Your goal (+84%))
Target

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