Grams to Ounces Converter

What is a Gram to Ounce Conversion?

Converting grams to ounces is the process of changing a measurement from the metric system (grams) to the imperial/US customary system (ounces). This conversion is commonly needed when cooking with international recipes, shipping packages, or measuring ingredients.

The Conversion Formula

To convert grams to ounces, use this formula:

Alternatively, you can remember that 1 ounce = 28.3495 grams, so divide grams by 28.3495 to get ounces. The multiplication method above is more convenient for calculations.

Key Conversion Values

• 1 gram = 0.035274 ounces
• 28.3495 grams = 1 ounce (exact definition)
• 100 grams = 3.5274 ounces (≈ 3.5 oz)
• 453.592 grams = 16 ounces = 1 pound
• 1000 grams = 35.274 ounces = 2.205 pounds

Types of Ounces

There are two types of ounces you should know about:

• Avoirdupois ounce (oz): Used for weight/mass measurements in everyday life. This is what we use in this calculator. 1 avoirdupois oz = 28.3495 grams.
• Troy ounce (oz t): Used for precious metals like gold and silver. 1 troy oz = 31.1035 grams.

Common Uses for Gram to Ounce Conversion

• Cooking & Baking: European recipes often use grams, while American recipes use ounces
• Shipping: Calculate package weights for postal services
• Nutrition: Convert serving sizes between metric and imperial
• Science & Medicine: Convert between measurement systems for accuracy

Tips for Accurate Conversions

• For cooking, rounding to 1-2 decimal places is usually sufficient
• For shipping, round up to the nearest whole ounce to avoid underestimating
• Remember that volume (fluid ounces) is different from weight (ounces)
• Use a digital scale for the most accurate measurements