are ml and tsp the same?
Teaspoons. The teaspoon is a unit of volume equal to one-third of a tablespoon. One teaspoon is equal to around 4.9 milliliters, but in nutrition labelling, one teaspoon is equal to exactly 5 milliliters. ... Teaspoons can be abbreviated as tsp, and are also sometimes abbreviated as t, ts, or tspn.