Our ounces to grams converter uses the international standard factor for accurate weight conversion, ideal for cooking, baking, jewelry, and professional applications.
Supports decimals and large values (e.g., 0.25, 1.5, 123456 ounces)
Precision: 1 Decimal Place | 1 oz = 28.349523125 g (ISO standard)
Understand the precise relationship between ounces and grams for accurate weight measurements.
The conversion factor is based on the international avoirdupois ounce, defined by ISO standard as exactly 28.349523125 grams.
Use the formula: grams = ounces × 28.349523125
Example 1: Convert 5 ounces to grams
5 × 28.349523125 = 141.747615625 grams
Example 2: Convert 123456 ounces to grams
123456 × 28.349523125 = 3499918.7269 grams
Use the formula: ounces = grams ÷ 28.349523125
Example: Convert 100 grams to ounces
100 ÷ 28.349523125 = 3.52739619 ounces
Use approximate factors for mental calculations:
Example: 4 ounces × 28.35 ≈ 113.4 grams (actual: 113.3980925 grams)
Discover situations where precise ounce-to-gram conversion is essential.
Convert recipe ingredients for consistent results, especially in professional baking where precision matters.
Example: 8 oz flour = 226.796 g
Precisely measure precious metals and gemstones for valuation and crafting.
Example: 0.5 oz gold = 14.1748 g
Comply with international labeling standards by converting weights accurately.
Example: 16 oz package = 453.592 g
Accurately measure chemicals and materials for experiments and analysis.
Example: 2.5 oz substance = 70.8738 g
Quick reference for common conversions (1 oz = 28.349523125 g).
| ounces | grams | ounces | grams |
|---|---|---|---|
| 0.25 oz | 7.08738 g | 10 oz | 283.4952 g |
| 0.5 oz | 14.17476 g | 16 oz | 453.59237 g |
| 1 oz | 28.34952 g | 20 oz | 566.99046 g |
| 2 oz | 56.69905 g | 32 oz | 907.18474 g |
| 4 oz | 113.39809 g | 100 oz | 2834.95231 g |
| 8 oz | 226.79619 g | 123456 oz | 3499918.7269 g |
Answers to common questions about precise ounce-to-gram conversion.
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