Grams to Ounces

Grams to Ounces Conversion Formula

To convert grams to ounces, use this simple formula:

The avoirdupois ounce is defined as exactly 28.349523125 grams, so one gram equals 0.035274 ounces.

Step-by-Step Weight Conversion Guide

1. Take your weight in grams
2. Divide it by 28.3495 (the number of grams in one ounce)
3. Get your result in ounces

Common Grams to Ounces Conversions

Practical Applications of Grams to Oz Converter

• Cooking & Baking: American recipes list butter, flour and sugar in ounces — 113 g of butter is 3.99 oz (one stick)
• Nutrition: Food labels and portion sizes — a 100 g serving is about 3.53 oz
• Postal services: US letter and parcel rates are set per ounce
• Coffee & Tea: Dosing beans and loose leaf between metric and imperial scales
• Jewelry & Crafts: Weighing precious metals and materials (note: gold uses troy ounces, 31.1 g)

History of Grams and Ounces

The gram was introduced in revolutionary France as the mass of one cubic centimeter of water and is now the base workhorse of the metric system. The ounce (from Latin "uncia", one-twelfth) came to English through Roman weights; since 1959 the international avoirdupois ounce is defined as exactly 28.349523125 grams — one sixteenth of a pound.

Quick Conversion Tips

For quick approximations, remember: 1 oz ≈ 28 g. To convert grams to ounces in your head, divide by 30 for a rough low estimate and by 28 for a closer one: 250 g ÷ 28 ≈ 9 oz (exact: 8.82 oz). For precise results, always use the exact factor of 28.3495.