Convert Ounces to Grams (oz to g)

Convert ounces to grams instantly. 1 oz = 28.3495 g. Free ounces-to-grams converter with table and formula.

Convert ounces to grams instantly with this free online converter. One ounce equals 28.3495 grams (1 oz = 28.3495 g). Type any value and the converted result appears immediately — no signup, and everything runs privately in your browser.

There are exactly 16 avoirdupois ounces in a pound; ounces are common for food portions and postal weights. Grams are the standard unit for nutrition labels and recipe ingredients in most of the world. This conversion is used constantly for weight and mass measurements in cooking, fitness, shipping, and science. It bridges the imperial/US customary system and the metric system, which is why this conversion comes up so often.

Weight Converter
All Conversions
Kilograms (kg)0.02835
Grams (g)28.3495
Milligrams (mg)28,349.5
Pounds (lb)0.0625
Ounces (oz)1
Metric Tons (t)2.834950e-5

Conversion formula

grams = ounces × 28.3495

Conversion table

ValueConverted
1 oz28.3495 g
2 oz56.699 g
5 oz141.7475 g
10 oz283.495 g
25 oz708.7375 g
50 oz1,417.475 g
100 oz2,834.95 g

Frequently Asked Questions

How many grams are in a ounce?

1 oz = 28.3495 g. So 10 ounces equal 283.495 grams.

How do you convert ounces to grams manually?

Multiply the number of ounces by 28.3495: grams = ounces × 28.3495. For example, 10 oz × 28.3495 = 283.495 g.

Is the ounces to grams conversion exact?

The factor 28.3495 is rounded for display. The underlying unit definitions are exact, and this converter computes with full floating-point precision.

Is this ounces to grams converter free and private?

Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.