Skip to content 
Healthy Weight Gain Calculator
Estimate the date you’ll reach your goal weight with a sustainable plan.
Unit will match ‘Current Weight’
Your Personal Results
Estimated Date to Reach Your Goal:
Your Weight Gain Journey
Basal Metabolic Rate (BMR)
Calories burned at rest
Maintenance Calories (TDEE)
To maintain current weight
Target Daily Calories
For your weight gain goal
Disclaimer: This calculator provides an estimate for informational purposes only and is intended for individuals looking to gain weight from an underweight status. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician, dietitian, or other qualified health provider with any questions you may have regarding a medical condition or before undertaking any new diet or exercise program. Gaining weight should be done healthily, focusing on nutrient-dense foods.
