A realistic timeline for losing 15 pounds safely.
At a healthy weight loss rate of about 1–2 pounds per week, losing 15 pounds typically takes about 8–15 weeks.
Actual timelines vary depending on calorie intake, metabolism, physical activity, and consistency. Early weight loss may occur slightly faster because of water weight changes, but long-term fat loss generally happens gradually.
| Weekly Weight Loss | Estimated Time |
|---|---|
| 0.5 lb per week | 30 weeks |
| 1 lb per week | 15 weeks |
| 1.5 lb per week | 10 weeks |
| 2 lb per week | 7–8 weeks |
One pound of body fat contains roughly 3,500 calories. Losing weight generally requires creating a calorie deficit through diet, exercise, or both. A deficit of about 500 calories per day usually leads to about one pound of weight loss per week.
Larger calorie deficits can lead to faster weight loss, but slower, steady weight loss is often easier to maintain long-term and helps preserve muscle mass.
Want a personalized estimate based on your weight, height, and activity level?
Try our weight loss timeline calculator to estimate how long it might take to reach your goal.
You can also check your BMI or estimate your ideal weight.