Convert common cooking and baking measurements between cups, tablespoons, teaspoons, milliliters, fluid ounces, and liters.
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Recipes from different countries and sources often use different volume measurement units — cups and tablespoons are common in US recipes, while milliliters and liters are standard in most of the rest of the world. This tool converts between all of these common cooking units by routing every conversion through milliliters as a common reference unit: it first converts your input amount into milliliters using the standard US customary definition (1 US cup = 236.588 mL, 1 tablespoon = 14.787 mL, 1 teaspoon = 4.929 mL, 1 US fluid ounce = 29.574 mL), then converts that milliliter figure into your desired target unit. These are the same customary definitions published by the US National Institute of Standards and Technology (NIST) for consumer and culinary use, which is why this converter treats them as its reference values rather than the rounder "metric cup" (250 mL) used in some other countries.
Following a recipe from another country, or from an older cookbook, often means running into a measurement system you don't normally cook with. American recipes lean heavily on cups, tablespoons, and teaspoons; recipes from most of the rest of the world use milliliters, liters, or grams instead. A cooking measurement converter bridges that gap so you can follow any recipe using whatever units your own measuring tools happen to use.
The tricky part of building a reliable converter is that "a cup" is not one single, universally agreed-upon amount. The US customary cup used in American recipes is defined as exactly 236.588 milliliters. Several other countries — including Australia, and much of the culinary world outside North America — instead use a rounder "metric cup" defined as exactly 250 milliliters, a roughly 5.6% difference that can matter in precise baking. This tool consistently uses the US customary definitions throughout, since that is the standard most commonly assumed by English-language recipe sites and cookbooks; if you know your recipe specifically uses metric cups, keep that small difference in mind.
Tablespoons and teaspoons are somewhat more consistent across English-speaking countries for everyday cooking purposes, with the US, UK, and Australian culinary tablespoon and teaspoon all landing close to the same real-world volume, even though their official legal definitions differ by small fractions of a milliliter in some jurisdictions. For the vast majority of recipes, this difference is too small to affect the outcome of a dish.
One thing you'll notice using this tool is that converted amounts often come out to several decimal places rather than a clean round number — for example, a cup does not convert to an exact whole number of tablespoons when routed through milliliters at full precision. That's expected: it reflects the real, non-round relationship between these units rather than an error in the conversion. When a recipe calls for an amount like "0.5 cups," this tool gives you the precise milliliter or tablespoon equivalent so you can measure it accurately with whatever tools you have on hand, rather than estimating.
No — a US customary cup is defined as exactly 236.588 mL, while some countries (like Australia and parts of Europe) use a rounder “metric cup” of exactly 250 mL; this tool uses the US customary definition throughout.
Mostly yes for cooking purposes — a US tablespoon (14.79 mL) and teaspoon (4.93 mL) are very close to the equivalent Australian/UK culinary measurements, though official legal definitions can vary by a small amount between countries.
Because the underlying unit conversions (like 1 cup = 236.588 mL) aren't round numbers, exact conversions between cups/tablespoons/teaspoons and milliliters/liters will rarely land on a perfectly round number themselves.
No — this tool only converts volume measurements; converting between volume and weight (such as cups to grams) depends on the density of the specific ingredient, which varies by item.