Ounces to Grams - oz to g Converter

Instantly convert Ounces (oz) to Grams (g). Enter a value below to get the result, or use our reference table and formula for quick calculations.

Ounces (oz) = Grams (g)

Ounces to Grams Formula

To convert oz to g, use this formula:

grams = oz × 28.3495

Reverse Conversion

oz = grams × 0.035274

oz to g Conversion Table

Ounces (oz)	Grams (g)
1	28.3495
2	56.6990
4	113.3980
8	226.7960
12	340.1940
16	453.5920
24	680.3880
32	907.1840
48	1360.7760
64	1814.3680

Common Use Cases

👨‍🍳 Cooking & Baking — Many recipes use ounces for ingredient measurements. Convert to grams for precision baking with digital kitchen scales.

📬 Postal & Shipping — Small packages are often weighed in ounces in the US. Convert to grams for international shipping calculations.

💊 Medication & Supplements — Some medications and supplements list dosages in ounces. Converting to grams ensures accurate dosing.

🧪 Science Labs — Lab measurements typically use grams. Convert ounce measurements to grams for precise scientific work.

Frequently Asked Questions

How many grams is 1 ounce?

1 ounce (avoirdupois) = 28.3495 grams.

How many grams is 4 oz?

4 oz = 113.4 grams.

Is 30g equal to 1 oz?

Close but not exact. 1 oz = 28.35g. 30g is slightly more than 1 oz.

How do I convert 16 oz to grams?

16 × 28.3495 = 453.59 grams (which is exactly 1 pound).

Are fluid ounces the same as ounces?

No. Fluid ounces measure volume, not weight. 1 fluid ounce of water weighs ~29.57g, but other liquids differ.

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