Ounces to Grams Calculator
Enter ounces to find grams. g = oz × 28.349523125.
How the result changes
Only ounces changes; all other inputs stay at your current values. The line illustrates the formula across the shown range. This is not a forecast of real-world outcomes.
About this calculation
Convert ounces (oz) to grams (g) while preserving the underlying mass quantity. The calculator updates when the input changes and shows the conversion rule and a worked example.
Formula
g = oz × 28.349523125
Worked example
With Ounces: 1 oz, grams is 28.349523 g.
How to convert ounces to grams
Enter a value in ounces. Multiply it by the factor in the displayed formula to express the same quantity in grams. To reverse the relationship, divide by the same nonzero factor.
g = oz × 28.349523125. As a reference point, 10 oz equals 283.495231 g with this conversion. This is an example, not a recommended level or target.
What the unit relationship means
Ounces and grams give two numerical descriptions of the same mass. A larger or smaller converted number does not mean material was added or removed; only the size of the reporting unit changed. This matters when comparing a shipping label, recipe, or product specification with a different system. Keep the mass unit attached to the result, because a bare number cannot distinguish oz from g or from a similarly named volume unit.
Check the direction of the result
As a scale check, one oz corresponds to 28.349523 g. Doubling the input from 10 oz to 20 oz changes the calculated output from 283.495231 g to 566.990463 g. Ordinary factor conversions are proportional: zero maps to zero and doubling the input doubles the result. If a copied value does not follow this pattern, check the source unit, decimal point, and formula direction.
When this conversion is useful
Use ounces and grams for ingredient weights, parcels, or product labels. These units describe mass, even when the item is a liquid.
What to check
An ounce (oz) here is a mass unit. A fluid ounce (fl oz) measures volume and cannot be converted to mass without knowing the liquid’s density. In this direction the entered ounces is reported as grams; check both unit symbols when copying a figure from another source, because the reverse direction answers a different question.
Precision and reporting
For small doses or ingredients, record the unit explicitly and check every prefix before rounding. For large shipments, a rounded figure may be more useful than many decimal places. The calculator uses a fixed unit relationship, but the original scale or label determines the real measurement precision. For a separate reporting example, 7.3 oz produces 206.951519 g. If 7.3 oz was an approximate reading, the converted digits should not be treated as a more accurate measurement.
Common questions
What is the reverse of ounces to grams?
To return from g to oz, divide by the nonzero factor shown in this calculator's formula.
Inputs
- Ounces (oz)