Weight ounces (oz) convert to grams with a fixed factor—about 28.35 g per ounce—because both measure mass. Do not confuse these with fluid ounces, which are liquid volume. This page is for scales, deli weights, and meat packages.
How to convert ounces to grams
Multiply ounces by 28.3495 to get grams. For quick mental math, 1 oz ≈ 28 g; 4 oz ≈ 113 g.
Ounces to grams conversion table
oz
g
0.25 oz
7.09 g
0.5 oz
14.17 g
1 oz
28.35 g
2 oz
56.70 g
4 oz
113.40 g
8 oz(½ lb)
226.80 g
16 oz(1 lb)
453.59 g
Two decimal gram precision for the ladder. No ingredient selection needed.
Frequently asked questions
How many grams is 1 oz on my scale?
Exactly 28.3495 g for avoirdupois ounces. Kitchen scales round to whole grams for convenience.
Are these the same ounces as fluid ounces on a carton?
No. Fluid ounces measure volume; weight ounces measure mass. Never swap them blindly.
Why does butter packaging show both oz and g?
Regulations and imports vary; use the column matching your scale units.
Is ounce-to-gram good enough for coffee ratios?
For espresso yield, many baristas still prefer grams—same idea, clearer math.