FORMULA
How to convert
g = oz × 28.349523125Example: 10 oz = 283.49523125 g.
OZ → G
Ounces to Grams
Convert ounces to grams with an exact, deterministic calculation.
LIVE CONVERSIONDECIMAL ENGINE EXACT_
1 oz = 28.349523125 g
MULTI-CONVERT
QUICK ANSWER
1 Ounce
28.349523125 g
REFERENCE TABLE
Ounce to Gram
| ounces | grams |
|---|---|
| 1 oz | 28.34952312 g |
| 5 oz | 141.74761562 g |
| 10 oz | 283.49523125 g |
| 25 oz | 708.73807812 g |
| 50 oz | 1417.47615625 g |
| 100 oz | 2834.9523125 g |
ABOUT THIS CONVERSION
Convert ounces to grams
This page converts ounces (oz) to grams (g). Convertor4U first interprets the input using Ounce's definition, then expresses the same quantity in Gram. The result is calculated from the stored factor and offset definitions, not from a rounded lookup table.
Real-world example
For comparing a person's mass, a recipe quantity, luggage allowance, or shipping weight, an input of 75 oz converts to 2126.21423438 g. Keep extra digits while calculating, then round only the final value to the precision the task actually needs.
Rounding and precision
Match the result to the scale and quality of the measurement. A kitchen scale may justify whole grams, while freight may be rounded to kilograms. Keep guard digits for multi-step work and avoid presenting a converted value as more accurate than the source.
Regional context
This category uses the international avoirdupois pound and ounce. It does not represent troy ounces used for precious metals. A metric tonne is 1,000 kilograms and is not the same as a US short ton or Imperial long ton.
Common mistake
A common mistake is attaching g to the original number without applying the full oz-to-g factor.
Editorial method
Definitions and sources are listed below. Calculations retain more precision than the default display and round only for presentation.
USEFUL ANSWERS
oz to g FAQs
How do I convert ounces to grams?
Enter the oz value in the calculator. It applies the stored factor and offset definitions and returns the equivalent in g; the formula and common-value table are shown on this page.
Is the oz to g conversion exact?
Defined measurement relationships are calculated with decimal arithmetic from stored standards. The displayed answer may be rounded for readability. Currency results instead depend on the dated reference rate shown.
How many decimal places should I keep?
Match the result to the scale and quality of the measurement. A kitchen scale may justify whole grams, while freight may be rounded to kilograms. Keep guard digits for multi-step work and avoid presenting a converted value as more accurate than the source.
What should I check before using the result?
A common mistake is attaching g to the original number without applying the full oz-to-g factor.
FROM UNIT
Ounce
One ounce (oz) equals .028349523125 kilogram units (kg) in the converter's reference scale. It is an avoirdupois or metric unit of mass, not a unit of force.
NIST Guide to the SI, SP 811 ↗Definition verified 14 August 2026TO UNIT
Gram
One gram (g) equals .001 kilogram units (kg) in the converter's reference scale. It is an avoirdupois or metric unit of mass, not a unit of force.
NIST Guide to the SI, SP 811 ↗Definition verified 14 August 2026Content reviewed by Convertor4U Editorial Team · 16 August 2026 · Report an error on this page