Grams to OuncesFree online conversion calculator — instant results, no sign-up
Convert grams to ounces and back.
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About the Grams to Ounces
The Grams to Ounces calculator converts a mass entered in grams into avoirdupois ounces, the ounces commonly used for everyday weight measurements. It also shows the reverse grams-per-ounce relationship. With the default input of 1 gram, the result is 0.035274 ounces.
- Value in grams (grams)
- Enter the mass in grams to convert to ounces; the default value is 1 gram.
Formula and method
o = g / 28.349523125; reverse conversion: g = o × 28.349523125.
- gMass in grams.
- oThe same mass in avoirdupois ounces.
Divide the entered gram value by 28.349523125, the exact number of grams in one avoirdupois ounce. Round the displayed result to six decimal places, as in the worked example. For conversion back to grams, multiply the ounce value by the same factor.
Worked example
These are the calculator's starting values and the results it actually produces for them.
Inputs
- Value in grams1 grams
Results
- ounces0.035274
- 1 grams =0.035274 ounces
- 1 ounces =28.349523 grams
How to use the Grams to Ounces
- 1Locate the Value in grams (grams) input.
- 2Leave the default value of 1 to follow the worked example, or enter the gram mass you want to convert.
- 3Read the ounces result: the default input gives 0.035274 ounces.
- 4Check the conversion row, which states that 1 gram equals 0.035274 ounces.
- 5Use the reverse relationship, 1 ounce equals 28.349523 grams as displayed, when converting ounces back to grams.
Reading your result
The row “ounces = 0.035274” gives the converted mass for the default input. The row “1 grams = = 0.035274 ounces” repeats that result as a unit equivalence: 1 gram equals 0.035274 ounces. The row “1 ounces = = 28.349523 grams” shows the reverse unit relationship: 1 ounce equals 28.349523 grams. The duplicated equals signs are display formatting, not an additional mathematical operation.
Limitations
This conversion assumes standard avoirdupois ounces, not troy ounces or fluid ounces. Displayed values are rounded to six decimal places, so converting a rounded result back may not reproduce the original mass exactly. The conversion does not improve the accuracy of the original measurement. Only a gram input is specified for this page; the reverse formula explains ounces-to-grams conversion without assuming a separate ounce input.
Common questions
Why does the default input of 1 gram produce 0.035274 ounces?+
One avoirdupois ounce is exactly 28.349523125 grams. Dividing 1 by that factor and rounding to six decimal places gives 0.035274 ounces.
How do I convert ounces back to grams?+
Multiply the ounce amount by 28.349523125. The reverse relationship displayed on this page is 1 ounce equals 28.349523 grams, rounded to six decimal places.
Can I use this calculator for troy ounces of precious metals?+
No. Troy ounces use a different mass conversion factor; this calculator uses avoirdupois ounces.
Does this calculator convert grams to fluid ounces?+
No. Grams measure mass, while fluid ounces measure volume. That conversion requires the substance’s density and the applicable fluid-ounce standard.
Does the calculator save my information?+
Calculations run in your browser. While signed in, inputs and results are automatically recorded in account history; saving a result creates a separate saved record.
Further reading
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Results are estimates for informational purposes and are not financial, medical or legal advice.