How many grams is 3 oz?

3 ounces is 85.05 grams using the standard avoirdupois (food) ounce. If you are weighing gold or another precious metal, 3 troy ounces is 93.31 grams instead. For cooking, recipes and postage, use the 85.05 g figure.

Is 3 oz to grams the same for every ingredient?

Yes. An ounce is a unit of weight, so 3 oz is 85.05 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 3 oz a weight or a volume?

It is a weight — 3 oz means 85.05 grams. Do not confuse it with 3 fluid ounces (fl oz), which is a volume of about 88.72 ml. Ounces (oz) weigh things; fluid ounces (fl oz) fill things. They are only equal for water, and only approximately.

How many pounds is 3 oz?

3 ounces is 0.1875 pounds, since one pound is 16 ounces (453.59 g). In grams that is 85.05 g. Ounces are the everyday sub-unit of the pound in the US and UK weight system.

How do you convert 3 oz to grams?

Multiply by 28.3495, the grams in one avoirdupois ounce: 3 × 28.3495 = 85.05 g. For a troy ounce (precious metals), multiply by 31.1035 instead, giving 93.31 g.

Does 3 oz of flour weigh the same as 3 oz of sugar?

Yes. Both weigh 85.05 grams, because an ounce is a unit of weight and 3 oz is 85.05 g for any ingredient. Only their volume differs — 3 oz of flour takes up far more space than 3 oz of sugar, which is why volume measures like cups are less reliable than a scale.

3 oz in Grams

3 oz in grams is 85.05 grams. For food, cooking and postage the ounce means the avoirdupois ounce, so 3 ounces weighs 85.05 g. Three ounces is 85.05 grams — a typical cooked-meat portion. Ounces-to-grams is a pure weight conversion — it is the same for flour, sugar, meat or anything else — so unlike…

OUNCE CONVERTER

Ounces

Ounce type

Convert to

3 avoirdupois oz =

85.05

Gram

LIVE DIAGRAM

AVOIRDUPOIS (FOOD)

85.05

grams

TROY (PRECIOUS)

93.31

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 8.26 g. For cooking, always use the avoirdupois value on the left.

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3 OZ IN GRAMS

3 OUNCES → GRAMS

3 ounces (avoirdupois — food, standard)	85.05 g	× 28.3495
3 ounces (troy — gold, silver)	93.31 g	× 31.1035

Three ounces is 85.05 grams — a typical cooked-meat portion. 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.

3 OZ IN OTHER UNITS

GRAMS

85.05 g

KILOGRAMS

0.085 kg

POUNDS

0.188 lb

OUNCES

3 oz

GRAINS

1,312.5 gr

HOW TO USE

1
Enter the number of ounces — this page starts with 3.
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

3 ounces is 85.05 grams. Ounce-to-gram is a pure weight conversion, so it is identical for every ingredient — unlike cups or fluid ounces, which depend on what you are measuring. For precious metals, use the troy ounce instead (93.31 g).

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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.