Cups to Milliliters Converter
Cups to Milliliters Converter
Cups to milliliters is one of the most common cooking conversions, since US recipes are written in cups while most of the world measures ingredients in milliliters.
This tool goes beyond cups and mL: the "From" and "To" dropdowns also cover the Canadian cup and the historical UK "breakfast cup" — three genuinely different sizes sharing the same name — plus the full range of other volume units.
- Conversion factor: 1 U.S. cup = exactly 236.5882365 milliliters.
- Fully flexible: change either dropdown to convert between any two of the 40+ supported volume units.
- Three different "cups": the U.S. cup (236.59 mL), the Canadian cup (227.30 mL), and the UK "breakfast cup" (284.13 mL) are all distinct — check which one your recipe means before converting.
How many milliliters are in a cup?
1 U.S. cup equals exactly 236.5882365 milliliters (commonly rounded to 237 mL in recipes). To convert, multiply the cup value by 236.588.
Is a Canadian cup the same as a US cup?
No — the Canadian cup (227.3045 mL) is based on 8 imperial fluid ounces and is about 4% smaller than the US cup. Select "Cup (Canadian)" if your recipe is Canadian in origin.
Cups to Milliliters Converter
Cups to milliliters is one of the most common cooking conversions, since US recipes are written in cups while most of the world measures ingredients in milliliters.
This tool goes beyond cups and mL: the "From" and "To" dropdowns also cover the Canadian cup and the historical UK "breakfast cup" — three genuinely different sizes sharing the same name — plus the full range of other volume units.
- Conversion factor: 1 U.S. cup = exactly 236.5882365 milliliters.
- Fully flexible: change either dropdown to convert between any two of the 40+ supported volume units.
- Three different "cups": the U.S. cup (236.59 mL), the Canadian cup (227.30 mL), and the UK "breakfast cup" (284.13 mL) are all distinct — check which one your recipe means before converting.
How many milliliters are in a cup?
1 U.S. cup equals exactly 236.5882365 milliliters (commonly rounded to 237 mL in recipes). To convert, multiply the cup value by 236.588.
Is a Canadian cup the same as a US cup?
No — the Canadian cup (227.3045 mL) is based on 8 imperial fluid ounces and is about 4% smaller than the US cup. Select "Cup (Canadian)" if your recipe is Canadian in origin.