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Cup to grams

1 cup of vegetable oil in grams — 218 g.

Exact gram weight of vegetable oil by volume, a quick-reference conversion chart from 1 tablespoon to 3 cups, and the editorial reasoning behind the number.
VolumeVegetable oil (grams)
1 tablespoon14 g
¼ cup55 g
⅓ cup73 g
½ cup109 g
⅔ cup145 g
¾ cup164 g
1 cup218 g
1½ cups327 g
2 cups436 g
3 cups654 g

Why 218 g per cup

Neutral vegetable oils (canola, soybean, sunflower) cluster at 218 g/cup. The variance between brands is under 2 %.

Solid fats like butter and shortening are nearly always specified by weight or by stick (4 oz = 113 g per US stick), so the gram value is the reliable one. Oils are measured by volume in most recipes; their density is close to water (~0.92 g/ml), so 1 cup ≈ 216–218 g for olive and vegetable oils.

The most accurate way to measure vegetable oil

For recipes where the outcome matters — bakes, doughs, anything leavened — measure vegetable oil on a kitchen scale set to grams. Set the bowl on the scale, press tare to zero, then add until the readout matches the gram value the recipe calls for. This removes the largest source of cup-to-cup variation: how you scoop.

The cup-based numbers on this page assume the “spoon and level” method — fluffing the ingredient in its container, spooning it into the cup, and levelling the top with a straight edge. Scooping directly with the cup packs more in, and can push the gram value up by 20-30 % for fluffy ingredients like flour and cocoa.

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Convert any quantity, any direction

This page covers the exact value for vegetable oil. For arbitrary inputs (e.g. 67 g → cups, or 2½ tbsp → grams), or for other ingredients, use the full ingredient density converter.

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