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Ounces to Grams

Convert ounces (oz) to grams (g) — instant and accurate

1 oz = 28.3495 g  ·  To convert ounces to grams, multiply by 28.3495.

28.3495 g

Ounces to Grams Conversion Table

OuncesGrams
1 oz28.3495 g
2 oz56.699 g
3 oz85.0486 g
4 oz113.398 g
5 oz141.748 g
6 oz170.097 g
7 oz198.447 g
8 oz226.796 g
9 oz255.146 g
10 oz283.495 g
15 oz425.243 g
20 oz566.99 g
25 oz708.738 g
30 oz850.486 g
40 oz1133.98 g
50 oz1417.48 g
75 oz2126.21 g
100 oz2834.95 g
250 oz7087.38 g
500 oz14174.8 g
1000 oz28349.5 g

Formula

grams = ounces × 28.3495
ounces = grams × 0.035273962
Example: 5 oz × 28.3495 = 141.748 g

About the Ounces-to-Grams Conversion

Converting ounces to grams is essential in cooking with international recipes, weighing small items precisely, and interpreting US food labels in a metric context. The conversion is exact: 1 oz = 28.3495231 g.

Real-World Examples

  • 1 oz (one ounce) = 28.3495 g
  • 8 oz (half-pound) = 226.796 g
  • 16 oz (one pound) = 453.592 g
  • 12 oz (12-oz can) = 340.194 g

Grams to Ounces (Reverse)

GramsOunces
1 g0.035274 oz
2 g0.0705479 oz
3 g0.105822 oz
4 g0.141096 oz
5 g0.17637 oz
6 g0.211644 oz
7 g0.246918 oz
8 g0.282192 oz
9 g0.317466 oz
10 g0.35274 oz
15 g0.529109 oz
20 g0.705479 oz
25 g0.881849 oz
30 g1.05822 oz
40 g1.41096 oz
50 g1.7637 oz
75 g2.64555 oz
100 g3.5274 oz
250 g8.81849 oz
500 g17.637 oz
1000 g35.274 oz

Frequently Asked Questions

How many grams are in a ounce?

1 ounce equals 28.3495 grams.

How do I convert ounces to grams?

Multiply the value in ounces by 28.3495 to get grams. For example, 5 oz × 28.3495 = 141.748 g.

How do I convert grams back to ounces?

Multiply the value in grams by 0.035273962 to get ounces. Equivalently, divide by 28.3495.

How many ounces are in a gram?

1 gram equals 0.035273962 ounces.

How many grams is 8 oz?

8 oz (half-pound) equals 226.796 g.

Is the ounces-to-grams conversion exact?

The underlying definitions are exact. The decimal representation 28.3495 is rounded; six significant figures is more than sufficient for everyday use.

About Ounces and Grams

The ounce (symbol oz) is a US customary and imperial unit equal to one sixteenth of a pound, or exactly 28.3495231 grams. It is distinct from the troy ounce used for precious metals.

The gram (symbol g) equals one thousandth of a kilogram. Originally defined as the mass of 1 cubic centimetre of water at 4 °C, it is the most common everyday metric mass unit.

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