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Convert Ounces to Grams

Convert cups, tablespoons, teaspoons, milliliters, grams and ounces with real ingredient densities — because a cup of flour does not weigh a cup of sugar.

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This page opens the cooking converter preset to ounces → grams. Unlike cups and tablespoons, this is a weight-to-weight conversion, so no ingredient density is involved: one avoirdupois ounce is exactly 28.349523 g (rounded to 28.3495 g here), and grams = ounces × 28.3495 for any ingredient whatsoever.

Useful anchors for reading recipes: 1 oz is about 28.3 g, 4 oz is 113.4 g (the classic quarter-pound), 8 oz is 226.8 g and 16 oz — one pound — is 453.6 g. A recipe calling for 6 oz of chocolate wants about 170 g; a 3.5 oz bar is your familiar 100 g.

Watch out for the fluid ounce trap: "fl oz" measures volume (about 29.57 ml in the US), not weight, and for dense or airy ingredients the two diverge quickly. If your recipe says fluid ounces of a liquid, convert via milliliters instead; if it says plain ounces of butter, sugar or meat, this weight conversion is the right one. Enter the ounces, press Convert, and copy the gram value straight into your shopping list.

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Accepted Formats & Rules

  • Twelve ingredients with typical household densities: water, milk, flour, sugar, brown sugar, powdered sugar, butter, oil, honey, cocoa, rice, salt.
  • Eight units: cup (240 ml), tablespoon (15 ml), teaspoon (5 ml), ml, l, g, kg, oz (28.3495 g).
  • Every volume ↔ weight result names the density it used, so you can sanity-check against your recipe.

Key Benefits

✓ Real densities instead of one fake average: flour (0.53 g/ml), granulated sugar (0.85 g/ml), butter (0.911 g/ml), honey (1.42 g/ml) and more — so cups convert to the grams your scale would actually show.
✓ Handles both directions and both worlds: volume to weight, weight to volume, plus direct cup/tablespoon/milliliter and gram/kilogram/ounce conversions.
✓ Runs entirely in your browser: no account, no upload, instant result with one-click copy.

Use Cases

  • • Translate an American recipe's cups and tablespoons into the grams your kitchen scale understands, using the real density of each ingredient.
  • • Convert a European recipe written in grams back into cups and spoons when you cook without a scale.
  • • Check how many grams of butter a recipe means by "3 tablespoons" so you can cut the right slice off a European block.