But do you really know what's realistic? Over the long term, it's smart to aim for losing 1 to 2 pounds (0.5 to 1 kilogram) a week. Generally to lose 1 to 2 pounds a week, you need to burn 500 to 1,000 calories more than you consume each day, through a lower calorie diet and regular physical activity.
It usually happens within the first 4–6 weeks ( 1 ). Most of the weight loss in this stage comes from carb stores, protein, and water — and to a lesser extent, body fat.
Setting a realistic time frame
Generally, most health experts recommend aiming for about 1–3 pounds (0.5–1.4 kg) of weight loss per week, or approximately 1% of your total body weight ( 33 , 34 ). Therefore, it may take anywhere from a few weeks to several months to lose 30 pounds safely.
We recommend losing no more than 1 to 2 pounds per week for sustainable weight loss, which means you could potentially lose 10 pounds in five weeks. However, a more realistic timeline is 10 to 24 weeks, since most people don't have hours to devote to walking every day.
Losing weight safely typically involves losing 1-2 pounds per week ( 1 ). This would allow you to lose 20 pounds within about 5 months at 1 pound per week or 2 1/2 months at about 2 pounds per week.
On average, a 15 to 20-pound loss (approximately 2 to 5 percent of your starting body weight) is enough to notice "significant changes in your body," he said. You can start seeing differences in yourself as early as two weeks with rapid weight loss.
“Women and men of average height need to gain or lose about three and a half and four kilograms, or about eight and nine pounds, respectively, for anyone to see it in their face,” said Nicholas Rule, associate professor in the Faculty of Arts & Science and Canada Research Chair in Social Perception and Cognition.
"By the time you hit 10 pounds, your jeans will feel differently, absolutely," Blum says. "Just a little looser. Theoretically, 10 pounds is considered one size." Once you get past that first couple pounds where you might not be able to tell, Blum says, you really do start to lose body fat.
When we lose a lot of weight, the body tries very hard to gain weight to get back to steady state. This is part of the reason the last 10 pounds are so hard to lose – while you are trying to lose more, the body is resisting and trying to put the weight back on by decreasing metabolism and increasing hunger.
Multiple regression tells us that on average, for every 8.5 pounds lost, people dropped an inch off their waist. (And for every 1.5 kilograms lost, people dropped a centimeter off their waist.) Every 10 pounds lost was accompanied by 1.18 inches of waistline reduction.
After shedding the pounds, you might notice a smaller waist or a thinner face before the fat melts away from other stubborn areas. But one thing's for sure—losing 30 pounds or more will make a noticeable difference on pretty much anyone's frame, no matter the starting point or the goal weight.
In terms of how your body looks, “it usually takes 4 weeks for your friends to notice weight loss, and 6–8 weeks for you to notice,” says Ramsey Bergeron, a certified personal trainer. “Your friends who don't see you every day are much more likely to see a change than someone you're around all the time,” he adds.
For safe and sustainable weight loss, aim to lose 1 to 2 pounds each week, taking approximately four to eight months to lose 35 pounds. Achieve this with a combination of diet and exercise.
Mostly, losing weight is an internal process. You will first lose hard fat that surrounds your organs like liver, kidneys and then you will start to lose soft fat like waistline and thigh fat. The fat loss from around the organs makes you leaner and stronger.
One problem you may have to address when you want to lose weight is your expectations. By setting your goals unrealistically high, you're also setting yourself up for failure. Unfortunately, weight loss can be a long process, and you may not be one of the rare people who lose several kg per week.
It's long been a complaint that those last five pounds can often be the hardest to lose. And the answer to why this is the case reveals a lot about the dynamic relationship between body weight and appetite (what we feel when we say we're “hungry”), and about how, as humans, we're almost always “ready to eat”.
For a weight change to show up on your face, you'd need to change your BMI by 1.33 points, the study found. That means a woman and man of average height would need to gain or lose eight pounds and nine pounds, respectively.
Your slower metabolism will slow your weight loss, even if you eat the same number of calories that helped you lose weight. When the calories you burn equal the calories you eat, you reach a plateau. To lose more weight, you need to either increase your physical activity or decrease the calories you eat.
When you lose weight, you inevitably lose some fat, including that which naturally occurs in your face and neck. And when that happens, volume in your face and neck decreases, says Nina Desai, M.D., a dermatologist in Manhattan Beach, CA. That creates skin laxity (derm speak for sagging) and folds.
While everyone loses weight differently, dropping as little as 3 to 5 pounds can show up on your face first, Eboli says.
How much younger? Twin studies revealed that a person who has a BMI 4 points higher can look 2-4 years younger. The reason is that the face naturally loses fat as we get older. Features such as full lips and round cheeks are associated with youth.
Specifically, most men need to get to the 10% body fat range before they see a noticeable shift from facial roundness to angularity, and most women need to get to around 20% body fat.