You can't determine the number of liters in a "small bowl" because there's no standard size for a small bowl. The amount of liquid a bowl can hold varies greatly depending on its shape and dimensions.

Here's a better way to think about it:

* Measure the bowl: The easiest way to find out how many liters a bowl holds is to fill it with water and measure the water using a measuring cup or graduated cylinder.

* Estimate based on size: If you don't want to measure, you can estimate based on the bowl's size. A small bowl might hold between 0.5 and 1.5 liters, but that's just a rough estimate.

It's always best to use a measuring tool for accuracy, especially if you're working with recipes or other tasks where precise measurements are important.