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GEVANS7 SparkPoints: (243,948)
Fitness Minutes: (155,542)
Posts: 2,119
7/10/13 11:49 A

I will weigh 5 pounds at night more than if I weigh myself in the morning after emptying my bladder. I will also weigh more if I just finished weight training and "bulked up".

Don't overeat thinking you have calories to spare. It will add up eventually - the same way I tell people not to get discouraged if the scale isn't budging. Our body can play tricks on us all the time. In the beginning of a weight loss diet, the scale can not show improvement. The body wants to hang on to those fat stores.

I gain an actual ten pound in a week of vacation eating. HARD to get back off.

EMPRESSAMQ Posts: 5,077
7/10/13 11:32 A

I only weigh once a week and only in the morning at the same time of day. Occasionally I might do a mid-week check up without logging it but that's the extent of it. Very, very occasionally, I change up my official weigh-in day for a while.

For me, worrying about the fluctuations involved in finding out how much scale weight I might have temporarily put on during any given day is just kind of useless and doesn't give me the steady data I get from my weekly, same time, same station, weigh-in sessions.

So the short answer is I would have no idea how much weight I could gain in a day. I'd have to figure the weight of all the food I ate and water or liquid I drank, my BMR for 8 given hours, how I exercised (I do know that but it varies in intensity and how much I am sweating and how many calories are burned off and how fast those calories are burning), and a thousand other daily variables.

It is a waste of my time to seek to know how much I can gain in a day TEMPORARILY (because it isn't really weight gain, just a number on a scale that will be gone by morning or at least in 48 hours or so).

What really matters in weight loss or maintenance (or gain if that is what we seek, I don't lol), is subtle change over time and sustainability for life.

SIRENSONGS SparkPoints: (57,040)
Fitness Minutes: (28,206)
Posts: 2,002
7/10/13 10:20 A

I've seen my weight fluctuate up to 5lbs either way in a day, but I know that's mostly from strange water retention/loss.

ARCHIMEDESII SparkPoints: (189,722)
Fitness Minutes: (281,398)
Posts: 26,461
7/10/13 10:18 A


Over eating 1-2 pieces of cake will not cause a person to get fat overnight. If a person "gains" weight overnight, it's not because of the calories they ate. It's because of the PHYSICAL weight off the food and water you eat/drink.

Ever notice your weight goes up during TOM ? Most women tend to gain weight during their menstrual cycle. Is that a fat gain ? Nope. it's nothing more than a temporary water weight gain that passes in a few days.

In order to truly gain one pound of fat, a person needs to eat an extra 3,500 calories on top of their normal intake. 3,500 calories = one pound of fat. So, unless you're eating at least 5,000 calories in a day, you aren't going to gain fat. not overnight. However, you will gain weight because of the physical weight of the food.

Food has weight. water has weight. I can prove it. I want you to weigh yourself first thing in the morning after going to the bathroom. Then, I want you to eat and drink what you normally would for breakfast. Get back on the scale. Did you gain weight ? YES ! Did you gain fat ? NOPE....

Also, not to get TMI, but do you weigh yourself after a bowel movement ? if you don't have a bowel movement in the morning, the physical weight of all the food and water you ate the day before is still in your body. Your waste products have weight. So, if you don't do a poop in the morning, that too will cause the scale to go UP.

I can prove that too. Weigh yourself before and after you have a bowel movement in the morning. Did you lose weight ? YES. did you lose fat ? NOPE.

Which is the point. It is easy to manipulate the scale. In fact, if you were to weigh yourself multiple times during the day, you would see it go up and down. this is normal. What is not normal is tying your emotions to what the scale says.

there is more to good health than a number that stares at us from between our toes in the morning. To answer your original question.... I can gain or lose as much as 3-4 pounds in a day because of a shift in my water weight.

ONTHEPATH2 SparkPoints: (145,453)
Fitness Minutes: (138,854)
Posts: 6,837
7/10/13 9:33 A

4-5 lbs, depending on how much water I drink

BLUENOSE63 SparkPoints: (108,021)
Fitness Minutes: (82,255)
Posts: 2,954
7/10/13 8:58 A

The Sports Nutritionalist I saw in February said that in any given day you can gain up to 10 lbs but it would be water retention etc. That is the outer limit.

TONKA14 Posts: 4,947
7/10/13 8:52 A

True weight loss from fat reserves is usually the sum of what you do all week and not what you do in one night. When you see a weight gain of 3-5 pounds overnight, that usually represents changes in fluid status and not from changes in fat stores.

Every time you misstep on your healthy journey whether it is with cake or missing exercise, you have two choices: to keep walking backwards, which will surely take you even further away from your goals; or to accept your lack of perfection as normal and forgivable, and take not one, but two positive steps down the path that brings your closer to the future you want. This article will share more and may be more at the heart of the question.

25 Ways to Get Back on Track Today
Don't Give Up on Your Goals!

Coach Tanya

Edited by: TONKA14 at: 7/10/2013 (08:53)
DCC_85 SparkPoints: (15,359)
Fitness Minutes: (7,551)
Posts: 1,149
7/10/13 8:41 A

I try not to thing about gaining-but I have gained before 5 lbs in a day.

EXOTEC Posts: 3,327
7/10/13 8:38 A

Officially? I have no idea. TOO much! lol

I do hear that reference to 3500 calories per pound. It's everywhere. But does anybody know where that number came from? other than the public consciousness, I mean? Kilocalories (Kcal, or "calories") are measured in foods with a bomb calorimeter. Presumably, that aforementioned value was measured by this method. You'd think so, at least. So... where is the data on that? I mean, you'd think there'd be at least ONE reference you could find -??- So far, I haven't been able to. Just curious. Anybody know?

As to the original query: I am frustrated by the fact that I can eat poorly for ONE day and gain 3 pounds. Okay, well, I did that to myself. I'll stand up and take my "punishment." But then, to be fair and just, doesn't it seem that the reverse ought also to apply? If I eat exceptionally well - meaning properly - I ought also to be able to lose those 3 pounds in a day! Yes, I know, dietary fantasyland. Okay, I'll be lenient! I'll give it a couple of days! several, maybe. But N-O. Goes on easy, comes off slow. Sheesh There's just no justice.

Keep in mind too, a lot of quickly-fluctuating "weight" is water. Daily weighings can make you crazy that way.

NIRERIN Posts: 14,079
7/10/13 8:19 A

your weight can vary by up to 5lbs per day without you gaining or losing an ounce. it's just a reflection of what happens to be inside of you at the moment.

the idea of eating so much more food than your body needs in order for the food you eat to have a laxative effect [ie run through your body before any nutrients can be absorbed] is an incredibly disordered idea of eating. the people who can achieve that [particularly if you're doing it in purpose] really need to be working with medical professionals to get where they need to be.

TRYINGHARD54 Posts: 5,292
7/10/13 7:28 A

1 -2 pounds easy....

FAITHP44 Posts: 8,025
7/10/13 6:51 A

Apparently it takes 3500 extra calories to put on 1lb and to lose 1lb you have to use up 3500 more calories than you are eating. (I've learnt that on Spark people) I think you have to look at it long termish though as weight can fluctuate from day to day for other reasons as well. So the extra slices of cake might not be such a good idea!
It depends who you're doing it for really. If you're trying to lose weight because you want to be a healthier person you won't want to cheat on yourself and have 3 huge slices of cake (you probably won't enjoy the 3rd one anyway!) If you're doing it because someone told you you should - forget it. You won't be able to keep it up unless you decide it's want you want to do.

NEEMAKAPOOR SparkPoints: (0)
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Posts: 1
7/10/13 6:36 A

I have always wondered that since they say there is a limit to how much weight loss can happen in a day - is the reverse also true? I mean so many times we go out and end up bingeing on that big piece of cake - if we've already exhausted the amount of weight we can add in a day - why not just eat 2 more pieces? Information on this would be really helpful.

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