Convert ounces to grams

Explanation

From this page you can convert ounces to grams (or oz to g) simply, by using the application above.

In case you are wondering, to convert from ounces to grams you need to multiply by 28.3495. This factor is calculated using the respective definitions of the two units you can find below.

Formula

1 oz≈28.3495 g

ouncesoz

dimension	mass
symbol	oz

The ounce (oz) is a unit of mass in the international mass and length units.

Definition of the ounce

One ounce is equal to ¹⁄₁₆ of a pound.

From the Weights and Measures Act of 1985: PART VI: Measurement of Mass

Value in terms of the SI

One ounce is equal to 28.349523125 grams.

History

From the Latin uncia, one-twelfth of a libra, the Roman pound. The abbreviation oz came later from the italian word onza.

International Mass Units

grain	gr
dram	dr	27¹¹⁄₃₂ grains
ounce	oz	16 drams
pound	lb	16 ounces
stone*	st	14 pounds
quarter*	qr	2 stones
short hundredweight^†	cwt	100 pounds
long hundredweight*	cwt	4 quarters
short ton^†	st	20 short hundredweight
long ton*	lt	20 long hundredweight

* specific to the United Kingdom

^† specific to the United States of America

The International Mass and Length Units

The International Mass and Length Units are units based on the international yard and the international pound.

They were created in 1959 when Australia, Canada, New Zealand, South Africa, the United Kingdom and the United States of America agreed upon a common definition of the yard and the pound.

Related Conversions

gramsg

dimension	mass
system	International system of units (SI)
symbol	g
search alias	gm

The gram (g) is a unit of mass in the International System of Units.

Definition of the gram

One gram is equal to 0.001 kilograms.

History

The gram was introduced in 1795 by the French National Convention as "the absolute weight of a volume of pure water equal to that of a cube of one hundredth of a meter side, at melting ice temperature".

It was replaced by the kilogram as the base unit of mass in 1960 for the creation of the SI.

Equivalences

One gram is equivalent to:

SI Mass Units

nanogram	ng	0.000000001
microgram	µg	0.000001
milligram	mg	0.001
gram	g	1
kilogram	kg	1000
megagram	Mg	1000000

The International System of Units

The International System of Units or SI (from the French Système international (d'unité)), also called metric system in the U.S., is a coherent system of units that was published 1960. It is official in nearly every country.

The General Conference on Weights and Measures (Conférence générale des poids et mesures) is tasked with overseeing the SI.