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Converters

Kitchen Measurement Converter

Convert recipe volume measurements between U.S. cups, spoons, fluid ounces, milliliters and liters with precise U.S. customary factors.

Example: a recipe calls for 1.5 U.S. cups and you want the amount in milliliters.

This tool uses exact U.S. customary volume definitions. Some cooking charts round a cup to 240 mL and a teaspoon to 5 mL.

Result 354.882355 mL 1.5 cup = 354.882355 mL Display is rounded only when needed; the internal conversion remains exact.
One-unit equivalent 1 cup = 236.588237 mL A quick way to understand the relationship between the two units.
How is the conversion calculated? The amount is converted to milliliters first, then to the requested unit using fixed volume factors.

This calculation runs in your browser. Your values are not sent to our server.

How it works

  1. Enter the amount, then choose the current unit and the unit you want to convert to.
  2. Example: 1.5 U.S. cups = 354.88235475 milliliters before display rounding.
  3. Use the swap button to reverse the two units without typing the amount again.
  4. The tool uses exact U.S. customary volume definitions. Some recipe charts use convenient rounded values such as 240 mL per cup and 5 mL per teaspoon.
  5. This tool converts volume only. It does not convert to grams because mass depends on the ingredient density.
Conversion factor sources

FAQ

How many milliliters are in one U.S. cup?

One U.S. cup is 236.5882365 milliliters using the exact U.S. customary volume definition.

How many teaspoons are in one tablespoon?

3 U.S. teaspoons equal 1 U.S. tablespoon exactly.

Why do some recipes say one cup is 240 mL?

Many cooking charts use convenient rounded equivalents. This tool uses the exact U.S. customary volume definition, so one cup is 236.5882365 mL.

Can I convert cups directly to grams?

Not with a general volume conversion. Grams measure mass, and the result depends on the density of the ingredient, such as water, flour or oil.

Can I enter decimal amounts?

Yes. Values such as 0.5, 1.25 and 2.75 are supported.

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