How Often Should You Weigh Yourself to Lose Weight?
Weigh yourself between daily and weekly, at the same time, and judge the weekly average. Here is how to do it and what to do with the numbers.
What the research suggests
Studies on self-weighing have often found that people who weigh themselves regularly tend to lose more weight, and keep it off better, than people who never weigh. Many of these studies focus on daily or near daily weighing. The results are not identical for everyone, though, and the benefit depends on how you use the number. For some people frequent weighing increases stress or body dissatisfaction, and for them a less frequent routine is the better choice.
So how often should you weigh yourself?
There is no single correct answer. These are the options, from least to most frequent.
- Once a week. Simple and low stress. The downside is that one reading can be misleading if it falls on a high water day.
- Two to three times a week. A good compromise for many people.
- Daily. Gives you the most data and the most accurate trend, but only if you look at the average and do not react to each reading. Not recommended if the number affects your mood or eating.
A sensible rule is to weigh at least once a week and no more than once a day, and to choose the frequency that keeps you calm and consistent.
How to weigh yourself properly
- Same time of day. The best time is the morning, after using the toilet and before eating or drinking.
- Same scale and place. Keep it on a hard, flat surface.
- Same clothing. Weigh with little or no clothing.
- Record it. Write it down or log it every time, so you can see the pattern.
Why your weight changes from day to day
Normal daily fluctuations of one to two kilograms are caused by water, not fat. Common causes are:
- Salt. A salty meal makes your body hold more water.
- Carbohydrates. Each gram of stored carbohydrate holds water, so a high carb day can raise the scale.
- Hormones. Many women see a rise before and during their period, and it settles afterward.
- Food in your gut. A large meal or a lack of a bowel movement adds weight.
- Alcohol, sleep and stress. All affect fluid balance.
To lose one kilogram of body fat you need a deficit of roughly 7,700 calories, so true fat loss moves slowly. A sudden rise of 1.5 kilograms overnight is never fat.
What to do with the numbers
Do not judge a single day. Use these steps instead.
- Calculate the weekly average. Add the readings from the week and divide by the number of readings.
- Compare it to last week's average. A drop of about 0.5 to 1 percent of your body weight per week is a healthy pace.
- Wait for a trend. Give it two to three weeks before changing your plan.
- If the trend is flat and you have been consistent, make a small change, such as reducing about 100 to 150 calories or adding some daily steps. See how many steps a day to lose weight.
- If you have been inconsistent, fix the habit first. Read how to stay consistent with your diet long term.
If the scale stays stuck for weeks despite accurate tracking, read weight loss plateau: why the scale stopped moving. And remember that the scale is not the only measure. See how to track weight loss progress beyond the scale.
Check your tracking too
If the weekly average is not moving, the issue is often logging rather than metabolism. Make sure you are not making one of the 7 common calorie tracking mistakes.
Weighing yourself and your menstrual cycle
For many women, weight changes noticeably across the menstrual cycle. Hormonal shifts make the body hold more water, usually in the days before and during a period, and it can add one to three kilograms that have nothing to do with fat. This often disappears a few days after your period begins. If you compare a weight from the week before your period with one from the week after, it can look like a failure or a success when neither is true.
The simplest fix is to compare like with like. Look at your weekly average and compare it to the same phase of your last cycle, or notice that the number dips after your period ends and treat that as the true trend. If you have very irregular cycles, rely more on your waist measurement and photos. See how to track weight loss progress beyond the scale.
Smart scales and body fat readings
Many modern scales show body fat, muscle and water percentages. They estimate these by passing a tiny current through your feet, and the result swings with hydration, a recent meal or a workout. Treat those figures as a trend within the same scale and the same conditions, not as an exact measurement. The weight number itself is generally reliable. For a better view of body fat, use your waist measurement and progress photos.
Building a weigh-in routine that lasts
A routine helps weighing feel neutral, like brushing your teeth.
- Attach it to something you already do, such as the toilet in the morning.
- Place the scale where you will see it, and put the log next to it or on your phone.
- Weigh, record and move on. Do not analyse the number straight away.
- Review once a week. Calculate the weekly average, compare it with last week and decide whether to change anything.
- Keep it neutral. The scale gives data, not a verdict on you as a person.
What to do if the scale upsets you
If the number often ruins your mood, there are good alternatives. Weigh only once a week, ask a friend or a coach to look at the trend, or switch to measurements and photos for a month. If you notice that you restrict food or exercise excessively because of the scale, that is a signal to stop and speak to a health professional.
Frequently asked questions
Should I weigh myself after a workout? It is better to weigh in the morning under the same conditions. After training, you may be dehydrated and the number will not be comparable.
Is morning really the best time to weigh myself? Yes. In the morning, after the toilet and before eating or drinking, you have the most consistent baseline. What matters most is to pick one time and stick with it.
Why did my weight go up after a good week? Water, salt, a higher carbohydrate day, a late meal or stress are the usual causes. Check the weekly average before reacting, and give any change at least a week.
Can I weigh myself right after eating? You can, but the number will include the food in your stomach, so it is not comparable with a morning reading. Keep to one time of day.
How do I know whether my weight loss is fast enough? A loss of about 0.5 to 1 percent of body weight a week is a healthy range for most people. Faster than that can cost muscle and is harder to sustain. Read how many calories you should eat to lose weight.
When not to weigh yourself
If weighing makes you anxious, sad or leads you to restrict food, skip the scale and use other signs of progress such as your waist, photos, energy and how your clothes fit. If you have a history of an eating disorder, speak to a health professional before tracking weight at all. This article is general information, not medical advice.
How FiTPLATE helps you weigh in the smart way
- A simple weigh-in log. Add your weight in a few seconds and see it on a chart for a week, a month or longer, so you see the trend and not a single day.
- A weigh-in reminder that suits you. Choose to be reminded every 3 days, every week or every 2 weeks.
- Progress toward your goal. See how far you are from your starting weight toward your target, with an estimated end date.
- A weekly review of your targets. FiTPLATE reads your weight trend and suggests a change to your calories and protein only when it is needed, and you decide whether to accept it.