How to gain 20 lbs in 12 weeks

To gain 20 lbs in 12 weeks, you would need to eat approximately 2933 calories per day, assuming a typical adult (30 years old, male, 175 cm, 80 kg) with a sedentary lifestyle whose body burns about 2099 calories per day.

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

Get your personalized estimate

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

Your Parameters
Daily Energy Expenditure (TDEE)

Estimated from your parameters

2099 kcal/day

Your Goal

To gain 20 lbs in 12 weeks, you would need to eat approximately 2933 calories per day, given your TDEE of 2099 kcal/day.

Estimated Weight Over Time
Daily Calories1 Week2 Weeks1 Month3 Months
1679 kcal-20%175.5 lbs174.6 lbs172.8 lbs165.6 lbs
1889 kcal-10%175.9 lbs175.5 lbs174.6 lbs171.1 lbs
2099 kcalMaintenance176.4 lbs176.4 lbs176.4 lbs176.4 lbs
2308 kcal+10%176.8 lbs177.3 lbs178.1 lbs181.7 lbs
2518 kcal+20%177.3 lbs178.1 lbs179.9 lbs187.2 lbs
2933 kcalYour goal (+40%)178.1 lbs179.7 lbs183.6 lbs198 lbs
Weight Projection
1679 kcal (-20%)
1889 kcal (-10%)
2099 kcal (Maintenance)
2308 kcal (+10%)
2518 kcal (+20%)
2933 kcal (Your goal (+40%))
Target

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