As kitchen dimensions are called dimensions, often in the kitchen are used and are defined by kitchen accessories. As Küchenmaß used also in the kitchen measuring cup called.
The calculation of the volume measurement using cutlery does not provide reliable results because spoons are not standardized. Older spoons, because they are usually larger and especially deeper, hold larger quantities than today's spoons. This is why cookbooks contain information from 10 to 15 ml for the tablespoon, with more recent ones mainly assuming 10 ml. The teaspoons commonly used today also hold significantly less than 5 ml; one should assume 2 ml.
In addition, when it comes to the information on tablespoons and teaspoons, a distinction must be made between smoothed spoons and heaped spoons.