Ingredient hub
Oil, Mustard
Mustard oil is a pungent, golden-yellow cooking oil cold-pressed from mustard seeds. With a density of 0.921 g/ml, it sits in the typical range for vegetable cooking oils—lighter than water and close to sunflower (0.918), canola (0.916), and olive oil (0.911–0.919). A cup of mustard oil weighs approximately 218 g; a tablespoon weighs about 13 g. It is widely used in South Asian and Eastern European cuisines for tempering spices, pickling, and high-heat frying, with a smoke point around 250 °C.
What is Oil, Mustard?
Mustard oil is a pungent, golden-yellow cooking oil cold-pressed from mustard seeds. With a density of 0.921 g/ml, it sits in the typical range for vegetable cooking oils—lighter than water and close to sunflower (0.918), canola (0.916), and olive oil (0.911–0.919). A cup of mustard oil weighs approximately 218 g; a tablespoon weighs about 13 g. It is widely used in South Asian and Eastern European cuisines for tempering spices, pickling, and high-heat frying, with a smoke point around 250 °C.
Volume measurements can drift because settling, packing, and texture change the amount of ingredient inside the same spoon or cup. When gram values look surprising, structure is usually the reason rather than an error. Use the same fill method each time and verify by weight.
Chef note:Chef-level consistency starts when one reference cup is matched to a gram baseline.
Quick convert
- US cup = 236.588 mL
- 1 tbsp = 14.787 mL
- 1 tsp = 4.929 mL
Kitchen Conversion Chart
Cups, tbsp, tsp, mL and oz — all in one printable reference for oils, liquids, dairy and sauces.
Condiments
Viscous condiments like ketchup, BBQ sauce, or dips tend to cling stubbornly to measuring cups. This leads to waste and messy cleanup. Weighing directly into your dish or pan is the professional, clean, and accurate method.
FAQ
- Does mustard oil weigh the same as other cooking oils per cup?
- Very close. Mustard oil (0.921 g/ml) is within 1% of sunflower oil (0.918), canola oil (0.916), and light olive oil (0.911–0.919). The mass difference per tablespoon is less than 0.1 g—negligible for any cooking recipe.
- Is mustard oil the same as prepared mustard condiment?
- No. Mustard oil is pure oil pressed from mustard seeds—it is a fat. Prepared mustard (yellow, Dijon, whole-grain) is a condiment made from ground seeds, water, vinegar, and spices; it is mostly water and is far denser (~1.0–1.1 g/ml). This entry covers pure mustard oil only.
- Why is mustard oil labeled 'for external use only' in some countries?
- In the United States and Canada, mustard oil sold for food use must carry this label because of its erucic acid content, which exceeded limits set in those jurisdictions. It is approved and widely used as a cooking oil in India, Bangladesh, Nepal, and parts of Eastern Europe. The density and conversion values are accurate regardless of regulatory jurisdiction.