Even if you really overeat from your normal intake, it would likely be in the range of 1,000-2,000 excess calories per day. So for a 3-day weekend, that would be a total body fat gain for the weekend of only 1-2 pounds.
Can a weekend of overeating make you fat?
It's pretty much impossible to gain even one pound of fat from a day of overeating. So, that's good news. The bad news, though, is that if you don't get your diet back on track now, you could easily pack on a few pounds of fat before January 1st.
How much fat can you realistically gain in a week?
Healthy weight gain of 1-2 pounds per week can be expected when reasonably increasing energy intake. It takes an excess of about 2,000 to 2,500 calories per week to support the gain of a pound of lean muscle and about 3,500 calories per week to gain a pound of fat.
Can you put on 5lbs in a weekend?
Although your first reaction to weight gain may be panic, keep in mind that water weight isn't the same as fat. If you're up 5 pounds (or even 7 to 10 pounds) after a fun-filled weekend, you can rest assured your weight gain is almost certainly just water.
How much fat can you actually gain in a day?
If you're typically consuming an average of 2,000 calories per day, which is what most mildly active twenty-somethings should consume daily to maintain their current weight, you would have to eat 3,500 additional calories that day to gain just one pound of fat.
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