Sims also gain 1 pound for every 150 calories consumed, meaning a dish like spaghetti will make your Sim 2 pounds heavier. This means you can gradually gain weight and need to keep it down by doing cardio exercise specifically. Sims do not burn calories without exercising. People gain pounds based on calorie consumption but burn calories throughout the day whether they exercise or not. There is a problem with this system, however. Most dishes in The Sims 4 have calories, ranging from 50 for dishes like a salad to 500-800 for dishes like gourmet treats such as lobster thermidor. Video Guide to the Fit/Fat System and Calories Calories Lead to Body Fat Muscle-building activities rarely burn calories, and when they do are not as effective as direct cardio. Let's look into how these two systems work. Additionally Sims who bulk up with lots of muscle may find their size decreasing over time. It's known the game uses a calorie system to pile on weight whenever Sims overeat, but it isn't very well explained. Players frequently report their Sims gaining weight over time, so I looked into why this happens. Prepare to work out or your Sim is going to pack on a couple pounds from the indulgence.
The Sims 4: Weight Gain Calorie System, Fat and Muscles Explained Cake has a lot of calories.