Healthy-Weight

Weight Loss Timeline Calculator

Set your current weight, target weight, and weekly loss rate to see how long it will take to reach your goal.

Weight Loss Timeline Calculator

Project how long it will take to reach your goal weight.

Unit system
Total loss
40 lbs
% of body weight
18.2%
Weeks
12
Months
2.8
Projected milestones
Week 0220 lbs
Week 3210.1 lbs
Week 6200.2 lbs
Week 9190.3 lbs
Week 12180.3 lbs
NewSelf GLP-1 weight loss program

What is a healthy weight loss rate?

The CDC recommends losing 1 to 2 pounds per week (0.5 to 1 kg) for sustainable, long-term weight loss. Losing weight too quickly can lead to muscle loss, nutrient deficiencies, and gallstones. A moderate rate of 1 to 1.5 kg per week is achievable for many people, especially when combining a calorie deficit with GLP-1 medication.

How GLP-1 can accelerate your timeline

GLP-1 medications like semaglutide and tirzepatide can help you lose 10-22% of your body weight over 6-12 months by reducing appetite and slowing stomach emptying. Clinical trials show that GLP-1 users often lose weight faster than with diet alone, making it easier to reach your target weight sooner.

Tips for staying on track

  • Track your weight weekly, not daily — fluctuations are normal.
  • Celebrate milestones along the way to stay motivated.
  • Combine your calorie deficit with regular physical activity.
  • Prioritize protein to preserve muscle mass during weight loss.