How much of the food we eat turns into poop?

The answer really depends upon the food eaten, the age of the person, their activity levels and general health. The higher the fiber in the diet, means that more fiber will pass through as waste. Sugars get digested, as do most proteins. read more

it depends on the type of food you ate in a day, if you ate 70% food rich in carbohydrates like yam, rice and the likes and 30% other nutrients like, vegetables and herbs, then the food that will be turning into poop is likely to be much say 60 to 65% of the food you eat will turn to poop because the food rich in carbohydrates that you ate produces more poop than what is left in your body for nutritional purposes. read more

That's going to vary by diet, a lot. Pretty much from almost nothing to almost everything depending. If you're curious about it yourself, you can weigh the in and outs I suppose. Don't forget to weigh any fluids as well, another thing that will drastically affect the weight/density of poop. read more