Convert ounces to grams accurately for recipes, medication dosing, and precious metals. Precise calculator with real-world examples for professionals and home users.
1 ounce equals 28.34949254408346 gram
Formula: g = oz × 28.3495
The ounce-to-gram conversion is essential for anyone working across international markets. With 1 ounce equaling exactly 28.3495 grams, precision matters significantly in cooking, medicine, and jewelry. Understanding this conversion eliminates measurement errors that could affect recipe outcomes, medication safety, or precious metal valuations.
Accurate ounce-to-gram conversion is critical for medication dosing where errors can compromise patient safety, recipe consistency in commercial kitchens where batch sizes depend on precision, and precious metals pricing where 1 gram differences represent significant monetary value. A 1% conversion error on a 16-ounce batch means 4.5 grams of discrepancy—potentially dangerous in pharmaceuticals or costly in jewelry manufacturing.
Pharmacists and pharmaceutical manufacturers must convert ounces to grams for medication preparation and dosing. Regulatory compliance requires metric measurements in most countries. Precise conversions ensure patient safety and regulatory adherence across international drug distribution networks.
Professional chefs and food manufacturers convert ounces to grams for recipe standardization, nutritional labeling, and international recipe adaptation. Gram measurements provide precision critical for baking and consistent food production across multiple locations.
| ounces | grams |
|---|---|
| 1 oz | 28.349493 g |
| 5 oz | 141.747463 g |
| 10 oz | 283.494925 g |
| 50 oz | 1417.474627 g |
| 100 oz | 2834.949254 g |
Formula: g = oz × conversion factor
The ounce is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
The gram is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
This ounce to gram converter uses high-precision conversion factors to ensure accurate results for professional and academic use.
Our calculator provides results with up to 10 decimal places for maximum accuracy.
Exactly 1 ounce (avoirdupois) = 28.3495 grams. This precise conversion was internationally standardized in 1959. For practical purposes, 28.35 grams is acceptable for cooking and general use, but pharmaceutical, jewelry, and scientific applications require the full precision. To convert any ounce amount, multiply by 28.3495: for example, 5 ounces × 28.3495 = 141.75 grams.
Historical trade routes and colonial influences created regional measurement systems. The avoirdupois ounce developed in medieval England for commerce, while the metric system (grams) was established in 1795 during the French Revolution as a universal standard. Most countries adopted the metric system for standardization and international trade. The United States retained imperial measurements for consumer markets, though scientific, medical, and pharmaceutical sectors operate in metric units worldwide.
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