Convert ounces to grams instantly. Free oz to g calculator using 1 oz = 28.3495 g. Ideal for cooking, postage, jewelry, and lab measurements.
Convert ounces to grams with precision: 1 avoirdupois ounce = 28.3495 grams. This converter handles any amount and shows results in grams, kilograms, and pounds for complete context.
Ounce-to-gram conversion is essential for cooking with international recipes, weighing postal items, measuring jewelry and precious metals, and scientific work. American recipes often use ounces for ingredients that international recipes measure in grams.
Note: this calculator uses the avoirdupois ounce (28.3495 g), the standard for everyday weight. Troy ounces (31.1035 g), used for precious metals, are a different unit. The calculator also shows troy ounce equivalents so you can identify which type you need.
Precise measurement of this value supports better personal and professional planning, helping you make informed decisions about how to prioritize tasks and manage competing demands. Quantifying this parameter enables meaningful comparison across time periods and projects, revealing trends that inform better decisions about personal productivity and resource management.
Ounce-to-gram conversion is needed for cooking, shipping, lab work, and precious metal valuation. Using the exact factor prevents errors that matter when precision counts. Consistent measurement creates a reliable baseline for evaluating personal efficiency and identifying the habits and practices that contribute most to achieving professional goals. Regular monitoring of this value helps individuals and teams detect productivity patterns and adjust workflows before small inefficiencies become entrenched and hard to correct.
Avoirdupois: g = oz × 28.3495 Troy: g = troy oz × 31.1035 1 avoirdupois ounce = 28.349523125 g (exact) 1 pound = 16 avoirdupois ounces
Result: 226.8 g
8 oz × 28.3495 g/oz = 226.796 g. This is about half a pound (0.5 lb = 226.8 g) and is a common food package size.
Ounces are used extensively in the US for food packaging, postage, and cooking. A typical serving of meat is 3–4 oz (85–113 g), a can of soda is 12 fl oz, and postal rates change at 1 oz increments.
Gold, silver, platinum, and palladium are priced per troy ounce (31.1035 g), not the regular ounce. When you see "gold at $2,000 per ounce," it means troy ounces. This distinction matters for investors and jewelers.
Many modern recipes include both ounces and grams. Professional kitchens use grams for precision. When converting family recipes that use ounces, switch to grams for more consistent results, especially in baking.
One avoirdupois ounce equals 28.3495 grams (exactly 28.349523125 g). This is the standard ounce used for everyday weight measurement in the US and UK.
An avoirdupois ounce (28.3495 g) is used for general weight measurement. A troy ounce (31.1035 g) is used for precious metals like gold and silver. Troy ounces are about 10% heavier than regular ounces.
Divide grams by 28.3495. For example, 100 g / 28.3495 = 3.527 ounces. This converts to avoirdupois ounces, the standard everyday ounce.
No. A fluid ounce (fl oz) measures volume (29.5735 mL), while an ounce (oz) measures weight (28.3495 g). They have similar names but measure different physical quantities. For water, 1 fl oz weighs approximately 1 oz, but this is a coincidence.
There are 16 avoirdupois ounces in one pound. So 1 pound = 16 oz = 453.592 grams. Half a pound is 8 oz = 226.8 g.
100 grams equals 3.527 ounces. This is a common package size in international food products and is slightly less than 4 ounces.