How many grams is 8 oz?

8 ounces is 226.80 grams using the standard avoirdupois (food) ounce. If you are weighing gold or another precious metal, 8 troy ounces is 248.83 grams instead. For cooking, recipes and postage, use the 226.80 g figure.

Is 8 oz to grams the same for every ingredient?

Yes. An ounce is a unit of weight, so 8 oz is 226.80 grams whether you are weighing flour, sugar, butter or meat. This is different from cups and fluid ounces, which measure volume and do change with the ingredient. If you have a kitchen scale, ounce-to-gram is always exact.

Is 8 oz a weight or a volume?

It is a weight — 8 oz means 226.80 grams. Do not confuse it with 8 fluid ounces (fl oz), which is a volume of about 236.59 ml. Ounces (oz) weigh things; fluid ounces (fl oz) fill things. They are only equal for water, and only approximately.

How many pounds is 8 oz?

8 ounces is 0.5 pounds, since one pound is 16 ounces (453.59 g). In grams that is 226.80 g. Ounces are the everyday sub-unit of the pound in the US and UK weight system.

How do you convert 8 oz to grams?

Multiply by 28.3495, the grams in one avoirdupois ounce: 8 × 28.3495 = 226.80 g. For a troy ounce (precious metals), multiply by 31.1035 instead, giving 248.83 g.

Is 8 oz half a pound?

By weight, yes: 8 oz is 226.80 grams, exactly half a pound. Be careful not to confuse it with 8 fluid ounces, which is a volume — one US cup, about 237 ml — not a weight.

8 oz in Grams

8 oz in grams is 226.80 grams. For food, cooking and postage the ounce means the avoirdupois ounce, so 8 ounces weighs 226.80 g. Eight ounces is 226.80 grams — half a pound. Ounces-to-grams is a pure weight conversion — it is the same for flour, sugar, meat or anything else — so unlike cups or fluid…

OUNCE CONVERTER

Ounces

Ounce type

Convert to

8 avoirdupois oz =

226.8

Gram

LIVE DIAGRAM

AVOIRDUPOIS (FOOD)

226.80

grams

TROY (PRECIOUS)

248.83

grams

WEIGHT ON A 0–500 g SCALE

100 g

butter stick

½ lb

¾ lb

1 lb

A troy ounce (used for gold and silver) is heavier than a food avoirdupois ounce — here by 22.03 g. For cooking, always use the avoirdupois value on the left.

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8 OZ IN GRAMS

8 OUNCES → GRAMS

8 ounces (avoirdupois — food, standard)	226.80 g	× 28.3495
8 ounces (troy — gold, silver)	248.83 g	× 31.1035

Eight ounces is 226.80 grams — half a pound. For food, recipes and postage, the ounce means the avoirdupois ounce (28.35 g). The troy ounce (31.10 g) is only used for precious metals.

8 OZ IN OTHER UNITS

GRAMS

226.80 g

KILOGRAMS

0.227 kg

POUNDS

0.5 lb

OUNCES

8 oz

GRAINS

3,500 gr

HOW TO USE

1
Enter the number of ounces — this page starts with 8.
2
Leave the type on Avoirdupois for food; switch to Troy only for gold, silver or other precious metals.
3
Choose a target unit — grams, kilograms, pounds, milligrams or troy ounces — and read the result instantly.

GOOD TO KNOW

Eight ounces by weight is half a pound (226.80 g). Don't confuse it with 8 fluid ounces, which is a volume — one US cup, about 237 ml. They only match for water, and only roughly.

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Last updated: July 28, 2026 · 1 avoirdupois ounce = 28.349523125 g, 1 troy ounce = 31.1034768 g · Verified by the EagleCalculator team · Eagle-eyed accuracy for every calculation.