Ounce to Gram Converter

Enter a value to calculate the result instantly and free of charge.

oz
28.349523125g

1 oz = 28.349523125 g

Conversion summary

1 oz = 28.349523125 g

Formula
Gram = Ounce × 28.349523125
Category
Mass
Units
ozg

How do you convert ounce to gram?

To convert ounce to gram, multiply the ounce value by 28.349523125. One oz is equal to 28.349523125 g.

Conversion formula

Gram = Ounce × 28.349523125

Ounce to Gram conversion table

OunceGram
1 oz28.349523125 g
2 oz56.69904625 g
4 oz113.3980925 g
8 oz226.796185 g
16 oz453.59237 g
32 oz907.18474 g
64 oz1,814.36948 g

What is Ounce?

The ounce is a small mass unit used in imperial and United States customary systems. One avoirdupois ounce equals 28.349523125 grams.

Short history of Ounce

Different ounce definitions existed historically, but the modern avoirdupois ounce is standardized through its 1/16 relationship with the pound.

Open the Ounce unit guide

What is Gram?

The gram is a unit of mass equal to one thousandth of a kilogram. It is widely used for food, laboratory materials and small quantities.

Short history of Gram

The gram became established as a smaller metric mass unit during the development of the decimal measurement system.

Open the Gram unit guide

Frequently asked questions

How precise are the results?

Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.

Is the Ounce to Gram converter free?

Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.

Sources

The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: SI Units – Mass
  3. NIST: Guide for the Use of the International System of Units

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