Weight Gain Calculator Form Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form. – Step 1 of 3Name *FirstLastEmail *NextGenderMaleMaleFemaleAgeSystemImperialMetricHeight (Ft)Height (in)Height (cm)Weight (lbs)Weight (kg)Goal Weight (lbs)Goal Weight (kg)Goal DateTime SpanChoose DateSelect a time span1 week1 week2 weeks1 month2 months3 months6 months1 yearChoose DateActivity LevelSedentarySedentaryLight ActiveModerateVery ActiveBMR FormulaMifflin-St. JeorMifflin-St. JeorHarris-Benedict RevisedNext Height Weight Weight Current WeightGoal WeightGoal Time (In days)To Maintain Weight (calorie/day)Calorie Surplus (calorie/day) Calorie Needed To Gain WeightSend My Results