Conversion formula how to convert 21 grams come ounces?

We recognize (by definition) that:1⁢g≈0.035273962⁢oz

We can collection up a relationship to resolve for the number of ounces.

You are watching: How much is 21 grams in ounces


Now, we cross main point to resolve for ours unknown x:


Conversion in the contrary direction

The station of the conversion factor is that 1 ounce is same to 1.34997729166667 time 21 grams.

It can likewise be express as: 21 grams is equal to 1 1.34997729166667 ounces.


An almost right numerical an outcome would be: twenty-one grams is about zero allude seven four ounces, or alternatively, a ounce is about one point three five times twenty-one grams.

Units involved

This is exactly how the devices in this conversion space defined:


The gram is a metric mechanism unit of mass. Originally characterized as the pure weight that a volume the pure water same to the cube the the hundredth part of a metre, and at the temperature of melting ice. However, a gram is now characterized as one one-thousandth the the SI base unit, the kilogram, or 1×10−3 kg, which chin is now defined, not in regards to grams, but as being same to the fixed of a physics prototype that a particular alloy kept locked up and preserved by the international Bureau of Weights and Measures. This is in the tradition through which many customary local reference standard stones, lengths (objects) and also weights were required to periodically undergo comparison v the official countries standard referents, usually with a certain periodicity defined by the nations statuate laws.

Wikipedia page of grams


The ounce (abbreviated oz) is a unit the mass provided in many British obtained customary equipment of measurement. That is most pervasive in the sleeve sale of groceries in the united States, but is likewise used in numerous other matters of domestic and also international trade in between imperial or customary measurement propelled countries. Comparable customary uses include recipes in cookbooks and sales of bulk dry goods. Whilst various interpretations have been used throughout history, two remain in common use, the avoirdupois oz equal to approximately 28.3 grams and the troy ounce of around 31.1 grams. The avoirdupois ounce is widely supplied as part of the United says customary and also British imperial systems, yet the troy ounce is currently only frequently used for the fixed of precious metals such as gold, silver, platinum, palladium, rhodium, etc..

See more: How Many Cups Does 32 Fl Oz Is How Many Cups Does 32 Ounces Equal?

Wikipedia page of ounces


<1> The precision is 15 far-ranging digits (fourteen digits to the appropriate of the decimal point).