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Calculators / Conversions / Ounces to grams & weight converter
Ounces to Grams Converter (oz to g)
Convert ounces, grams, kilograms, or pounds into common weight units.
On this page
Grams28.35G
Ounces1OZ
Kilograms0.03KG
Pounds0.06LB
Calculator controls
How to calculate
Convert ounces, grams, kilograms, or pounds into common weight units.
1 ounce = 28.349523125 grams; 1 pound = 16 ounces
Worked example
Weight value: 1; Convert from: oz.
Grams: 28.35 g; Ounces: 1 oz; Kilograms: 0.03 kg; Pounds: 0.06 lb.
Assumptions and limits
Uses international avoirdupois ounces and pounds, not troy units.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
The converter first changes the selected starting unit into kilograms, then calculates grams, ounces, kilograms and pounds from that common value. One avoirdupois ounce equals exactly 28.349523125 grams.
When this tool is useful
Convert ounces to grams for cooking or packages, or compare body-mass and product measurements across metric and imperial systems.
Understanding your inputs
| Input | What to enter |
|---|---|
| Weight value | Enter a number of at least 0 and no more than 1000000000000. |
| Convert from | Enter one of the available options. |
Frequently asked questions
How do I convert ounces to grams?
Choose Ounces, enter the ounce value, and read the Grams result. Multiply ounces by 28.349523125 for the same conversion.
Which ounce is used?
The ordinary avoirdupois mass ounce, not a troy ounce or a fluid ounce.