If volume - 1 US teaspoon = 0.17 ounces US<br />If weight - it depends of the density of your foodstuff. For example<br />1 US teaspoon of water = 0.17 oz<br />1 US teaspoon of buckwheat = 0.15 oz<br />1 US teaspoon of honey = 0.23 oz and so on.
Comparison of Letter (shaded light blue) and Government letter sizes with some similar paper and photographic paper sizes. Letter or US Letter is a paper size commonly used as home or office stationery in Canada, the United States, Mexico and the Dominican Republic. It measures 8.5 by 11.0 inches (215.9 by 279.4 mm). US Letter size paper is a standard defined by the American National Standards Institute (ANSI), in contrast to the A4 paper used by all other nations, which is defined by the International Organization for Standardization (specifically, in ISO 216).
Ad. The value of this system for paper sizes is that each size is proportionately equal to the next. A4 paper, for example, is about 21 cm by 29.7 cm (about 8.27 inches by 11.75 inches), while A3 is 29.7 cm by 42 cm (around 11.75 inches by 16.5 inches).tandard letter size paper in the US is 8.5 inches by 11 inches (about 21.5 cm by 27.9 cm), while legal size paper is 8.5 inches by 14 inches (around 21.5 cm by 35.56 cm).