Weighing yourself is a regular part of your fitness journey, but have you ever noticed that your weight seems different at different times of the day? It's not just you; it happens to everyone. 

Your body weight naturally fluctuates throughout the day due to various factors, including water intake, food consumption, and even the time of your last workout, which can influence what you see on the scale.

Let's dive into when the best time is to weigh yourself. Consistent and accurate readings help track your progress more accurately, set realistic goals, and make informed adjustments to your diet and exercise routine. 

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Why Does Your Weight Change Throughout the Day?

Your body weight can swing a few pounds over a day. Factors like water intake, food consumption, and physical activity can cause these fluctuations. 

Understanding these factors can help you choose the most accurate time to weigh yourself.

Water Intake and Hydration

The human body is about 60% water, so hydration levels can significantly impact weight

Drinking much water, especially later in the day, can lead to temporary weight increases. On the flip side, dehydration can give you a falsely low reading.

Food and Meal Timing

Every food you eat adds to your body weight until it's digested and absorbed.

Eating large meals or high-sodium foods can lead to temporary weight gain due to food mass and water retention. This is especially relevant in the evening after a full day of eating.

Physical Activity and Exercise

Engaging in exercise can cause immediate weight loss due to sweat loss. However, this is mostly water loss and does not indicate true fat loss. 

Post-exercise, as your body rehydrates, your weight will likely return to its pre-exercise level.

Other Factors for Daily Weight Fluctuation 

Other elements like bowel movements, menstrual cycles, and stress levels can affect weight. For example, stress can lead to both weight gain (due to stress-eating) and weight loss (due to loss of appetite).

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How Much Does Weight Fluctuate? 

An average person's body weight can fluctuate between 1 to 5 pounds in a single day

This variation is a normal part of the body's processes and is primarily due to changes in water and food weight rather than actual gains or losses in fat or muscle mass.

The Best Time To Weigh Yourself for True Results | Ultimate Nutrition

What is the Best Time of Day to Weigh Yourself?

Determining the best time to weigh yourself involves considering when your body's variables are at their lowest, offering the most consistent baseline.

Here's a look at different times of the day and their potential impact on your weight readings:


The morning after waking up and using the restroom is generally the best time. This is when your body has digested last night’s dinner, and you haven't eaten breakfast, giving you a more accurate reading. 

Overnight, you also lose water through breathing and a bit of sweating, which can lower your water weight slightly, making it a preferable time for many.


Weighing yourself midday is less consistent due to various factors. By this time, most people have consumed several meals and beverages, which can increase body weight temporarily. 

However, if your routine includes a workout or physical activity in the morning, a midday weigh-in could reflect the immediate post-exercise weight changes.


The evening is typically the least consistent time to weigh yourself, as it’s after a full day of eating and drinking. 

Your weight at this time includes the weight of everything you've consumed throughout the day. Additionally, factors like physical activity, stress, and hydration throughout the day can all affect evening weight readings.

A woman on a scale | Ultimate Nutrition

How Often Should You Weigh Yourself? 

Determining how frequently you should step on the scale is just as important as knowing the best time to do it. The frequency of weighing yourself can affect your perception of progress and motivation.

Daily Weigh-Ins

Weighing yourself every day can provide immediate feedback and help you notice patterns. If you choose this route, aim for consistency in timing, preferably in the morning.

Weekly Check-Ins

Many experts recommend weighing yourself once a week. This method smooths out the daily variations and gives a clearer picture of your weight trend. 

It's less likely to cause stress or obsession over minor changes.

Bi-Weekly or Monthly

For those who may find frequent weigh-ins stressful or demotivating, checking less often, such as every two weeks or monthly, might be better. 

This approach focuses more on long-term trends and can be less influenced by short-term fluctuations.

Stay Informed with Ultimate Nutrition

It's clear that knowledge is power in your fitness journey. 

But remember, your journey doesn't end with the numbers on the scale. Nutrition plays a pivotal role in your overall health, and our protein powder will keep you primed, from Weight Loss to All Natural.  

Ultimate Nutrition is your partner in achieving your health goals, from our insightful blog to killer workout routines. Remember, the scale is just one tool among many in your fitness arsenal. Combine accurate weigh-ins with the right nutrition and a solid workout plan, and you're on the path to success. 


The information provided in our articles are meant for informational and educational purposes exclusively and should not be considered as medical advice. It is essential to consult a healthcare professional before starting a new nutritional product and/or making significant changes to your diet, and/or starting a new exercise regime. These products are not intended to diagnose, treat, cure, and/or prevent disease.

UN Editorial Team