1/2 Cup Sesame Oil in Grams
1/2 cup of sesame oil weighs 108 g (poured, USDA). Toasted sesame oil is dark and intensely nutty; refined sesame oil is neutral. All the figures on this page are approximate conversions based on the USDA value, so when a recipe really matters, verify with a kitchen scale.
Toasted sesame oil is dark and intensely nutty; refined sesame oil is neutral. It is used for stir-fries, dressings and marinades; toasted oil is a finishing oil. That range of uses is part of why the conversion comes up so often: the same ingredient appears in everyday cooking and in precise baking, and the two situations demand different levels of accuracy. Knowing the weight of half a cup, rather than guessing from a measuring cup, keeps the result consistent no matter which recipe you are following.
Why weighing half a cup of sesame oil beats measuring it in cups
Fat is the ingredient that decides whether a bake is tender or tough, flaky or dense, and 1/2 cup of sesame oil weighs 108 g. That number matters because fat coats flour and shortens gluten strands, so a little too much makes a cake greasy and a little too little makes it dry. Cups are a poor way to measure a solid fat: scooping leaves air pockets, and a cup of soft fat packs differently from a cup of cold fat. Weighing 108 g on a scale removes all of that, and it is faster than packing a cup with a spoon.
Sesame Oil cups to grams conversion table
| Cups | Grams (approx.) |
|---|---|
| 1/4 cup | 54 g |
| 1/3 cup | 72 g |
| 1/2 cup | 108 g |
| 2/3 cup | 144 g |
| 3/4 cup | 162 g |
| 1 cup | 216 g |
| 1 1/2 cups | 324 g |
| 2 cups | 432 g |
| 3 cups | 648 g |
One tablespoon of sesame oil weighs about 13.5 g, and one teaspoon about 4.5 g. For small amounts a scale that reads to the gram is far more reliable than a spoon, because a heaped tablespoon can weigh half as much again as a level one. The table is rounded to the nearest half gram, so the numbers are approximate by design; the half-cup figure of 108 g is the one to use when a recipe calls for half a cup.
How the weight was measured
Poured means pouring the ingredient into a liquid measuring jug on a flat surface and reading the level at eye level. Liquids level themselves, so there is no spooning or levelling involved, and the weight follows directly from the volume and the density.
The source for the 216 g per cup figure is USDA, and the confidence in the value is medium. USDA publishes a standard ingredient weight chart that recipe developers use as a reference, and this page follows it exactly rather than averaging across sources, because an average of two different measuring methods is a number that matches nobody's cup.
Because sesame oil is measured poured, the weight per cup is stable from one kitchen to the next, and the 108 g figure for half a cup is a reliable default. Small differences in brand or temperature shift it by only a gram or two, which is far below the threshold that changes a recipe.
All the figures on this page are approximate conversions. When a recipe really matters, verify with a kitchen scale: weigh the ingredient directly into the bowl on a tared scale and trust that number over any cup.
Worked examples
A batch of cookies
A cookie recipe calling for 1/2 cup of sesame oil needs 108 g. Weighing the fat means the dough has exactly the right tenderness, because the fat coats the flour evenly and the cookies spread the same way every time. If the recipe is doubled for a bake sale, use 216 g for 1 cup.
Halving a cake recipe
Halving a cake that asks for 1 cup of sesame oil leaves you with 1/2 cup, or 108 g. A half-cup measure of a solid fat is notoriously inaccurate because of air pockets, so weighing 108 g is the reliable way to halve a recipe without the cake turning out dry or greasy.
Roasting vegetables
Roasting a tray of vegetables with 1/4 cup of sesame oil takes about 54 g. Weighing the oil keeps the vegetables coated without pooling in the tray, and it keeps the calories honest too.
When this conversion matters most
This conversion matters most in baking, where sesame oil controls tenderness, spread and flakiness all at once. A cake, a cookie or a pastry has no room for a 10 g error, and the smaller the recipe the bigger the error looks as a percentage. It also matters when you are following a recipe from another country, because most of the world bakes in grams and a cup is an American habit. Converting to grams lets you use any recipe from any source with the same confidence.
Common mistakes with sesame oil
- Scooping a solid fat into a cup. Scooping leaves air pockets, so a cup of sesame oil can be 10 g light. Pack it firmly or, better, weigh 108 g on a scale.
- Measuring melted fat by the cup. Melted fat takes up less volume than solid fat, so a cup of melted sesame oil weighs more than a cup of solid sesame oil. Measure in the state the recipe specifies, or weigh it.
- Trusting a cup for a half-cup. Small measures amplify error: a heaped half-cup can be 10 g heavy. Weighing 108 g removes the problem entirely.
- Forgetting the fat is also liquid. In baking, sesame oil counts towards the richness of the batter, so adding it on top of the full measure makes a cake greasy. Use the weight in the recipe, not a guess.
Storage and handling
Refrigerate toasted sesame oil after opening. Keeping sesame oil stored properly also keeps its weight per cup stable: an ingredient that has absorbed moisture from the air weighs more per cup than a dry one, so good storage is not just about freshness, it is about measurement accuracy too. If a container has been open for months in a humid kitchen, the first thing to do before a precise bake is to weigh the ingredient rather than trusting the cup.
Frequently asked questions
How many grams is 1/2 cup of sesame oil?
1/2 cup of sesame oil weighs 108 g, measured poured according to USDA. That is the figure to use when converting a recipe from cups to grams, and it is the value the conversion table on this page is built on.
How do I measure sesame oil without a scale?
Poured means pouring the ingredient into a liquid measuring jug on a flat surface and reading the level at eye level. Liquids level themselves, so there is no spooning or levelling involved, and the weight follows directly from the volume and the density. That gives the closest result to 108 g per half-cup, but it is still an estimate: the honest answer is that a scale is the only way to know the exact weight, and a basic digital kitchen scale costs less than a bag of good flour.
Can I swap sesame oil for butter cup-for-cup?
Not reliably. Different fats weigh different amounts per cup and behave differently in baking, so a cup-for-cup swap changes the recipe. Swap by weight instead: 1/2 cup of sesame oil is 108 g, so use the same weight of the other fat and expect a slightly different flavour and texture. Butter also contains water and milk solids, which oils and shortening do not.
What is sesame oil used for?
Stir-fries, dressings and marinades; toasted oil is a finishing oil. Toasted sesame oil is dark and intensely nutty; refined sesame oil is neutral.
Does 1/2 cup of sesame oil always weigh 108 g?
No. Temperature, brand and how firmly a solid fat is packed all shift the weight by a few grams. The 108 g figure is the standard USDA value for sesame oil measured poured, and it is the right default, but when a recipe is precise, weigh the ingredient and trust the scale over the cup.
How should I store sesame oil?
Refrigerate toasted sesame oil after opening. Good storage keeps the ingredient fresh and keeps its weight per cup consistent, because moisture absorbed from the air adds grams that the recipe did not ask for.
Related conversions
Use the butter to oil converter or the cups to grams converter for instant answers, or browse the cups to grams hub for the full ingredient list. Related pages: 1/2 cup butter in grams, 1/2 cup vegetable oil in grams, 1/2 cup olive oil in grams. More tools: cups to grams converter, grams to cups converter, recipe scaler. See also our disclaimer about approximate conversions.