# Cooking Calculations ### Cooking substance volume <> mass conversions It's possible to convert between volume and mass if you know the density of the substance involved. Soulver includes about 200 substances commonly used for cooking. ``` 300g butter in cups | 1.32 cup 10 cups olive oil in grams | 2,160 g 100g nutella in tablespoons | 5.37 tbsp ``` ### Measurement systems Units of volume have different definitions depending on what country you're in. Soulver supports three systems of measurement: * US Customary (the default), * Imperial * Metric ![Choose your preferred measurement system from the Region preferences](/files/-MjFF9mXHmZuIp9Rgn0P) This setting affects volume units, such as pints, quarts, gallons, teaspoons, tablespoons, and fluid ounces (fl oz). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://documentation.soulver.app/syntax-reference/units-and-conversions/cooking-and-volume-calculations.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.