Cooking converter
Cooking Converter – 14 Units, Exact Factors
1 US cup = 236.59 millilitres
Default is 5 significant figures. “Search units as” decides what words like gallon, pint or cup mean when you type them. Shortcuts: Alt+S swap · Alt+C copy · Alt+L link · / search
- 1 cup (US) = 236.59 mL
- 5 cup (US) = 1182.9 mL
- 10 cup (US) = 2365.9 mL
- 25 cup (US) = 5914.7 mL
- US cupscup (US)
- Metric cupscup (metric)
- Imperial cups (UK)cup (UK)
- US tablespoonstbsp (US)
- Metric tablespoonstbsp (metric)
- US teaspoonstsp (US)
- Metric teaspoonstsp (metric)
- US fluid ouncesfl oz (US)
- Imperial fluid ounces (UK)fl oz (UK)
- MillilitresmL
- LitresL
- US liquid pintspt (US)
- Imperial pints (UK)pt (UK)
- US liquid quartsqt (US)
- DecilitresdL
- Cubic metresm³
- US gallonsgal (US)
- Imperial gallons (UK)gal (UK)
- Imperial quarts (UK)qt (UK)
- Cubic inchesin³
- Cubic feetft³
- Cubic yardsyd³
- Oil barrels (US)bbl
- US cups1cup (US)
- Metric cups0.94635cup (metric)
- Imperial cups (UK)0.83267cup (UK)
- US tablespoons16tbsp (US)
- Metric tablespoons15.773tbsp (metric)
- US teaspoons48tsp (US)
- Metric teaspoons47.318tsp (metric)
- US fluid ounces8fl oz (US)
- Imperial fluid ounces (UK)8.3267fl oz (UK)
- Millilitres236.59mL
- Litres0.23659L
- US liquid pints0.5pt (US)
- Imperial pints (UK)0.41634pt (UK)
- US liquid quarts0.25qt (US)
- Decilitres2.3659dL
- Cubic metres0.00023659m³
- US gallons0.0625gal (US)
- Imperial gallons (UK)0.052042gal (UK)
- Imperial quarts (UK)0.20817qt (UK)
- Cubic inches14.438in³
- Cubic feet0.008355ft³
- Cubic yards0.00030945yd³
- Oil barrels (US)0.0014881bbl
About cooking conversions
Kitchen measures by volume. A US cup (236.6 mL) is smaller than a metric cup (250 mL). Cups measure volume, not weight: converting cups to grams depends on the ingredient, so we do not guess.
US customary and British imperial units with the same name differ in size. Each is labelled US or UK in the unit list.
Common cooking conversions
Cooking units explained
| Unit | System | Definition and notes |
|---|---|---|
| US cup (cup (US)) | US customary | 1 cup (US) = 0.0002365882365 m³ (exact)The US cup used in recipes: one sixteenth of a US gallon, about 236.59 mL. US nutrition labels round it to 240 mL. |
| Metric cup (cup (metric)) | metric (non-SI) | 1 cup (metric) = 0.00025 m³ (exact)Defined as exactly 250 mL. Used in Canada, Australia, New Zealand and many UK recipes. |
| Imperial cup (cup (UK)) | British imperial | 1 cup (UK) = 0.000284130625 m³ (exact)Half an imperial pint (284.130625 mL). Rare in modern recipes. |
| US tablespoon (tbsp (US)) | US customary | 1 tbsp (US) ≈ 0.000014786765 m³1/2 US fl oz = 14.78676478125 mL. |
| Metric tablespoon (tbsp (metric)) | metric (non-SI) | 1 tbsp (metric) = 0.000015 m³ (exact)Defined as exactly 15 mL (Australia uses a 20 mL tablespoon). |
| US teaspoon (tsp (US)) | US customary | 1 tsp (US) = 0.00000492892159375 m³ (exact)1/3 US tablespoon = 4.92892159375 mL. |
| Metric teaspoon (tsp (metric)) | metric (non-SI) | 1 tsp (metric) = 0.000005 m³ (exact)Defined as exactly 5 mL. |
| US fluid ounce (fl oz (US)) | US customary | 1 fl oz (US) = 0.0000295735295625 m³ (exact)Defined as exactly 1/128 US gallon = 29.5735295625 mL. |
| Imperial fluid ounce (fl oz (UK)) | British imperial | 1 fl oz (UK) = 0.0000284130625 m³ (exact)Defined as exactly 1/160 imperial gallon = 28.4130625 mL. |
| Millilitre (mL) | metric (non-SI) | 1 mL = 0.000001 m³ (exact)Defined as exactly 1 cm³. Also written cc. |
| Litre (L) | metric (non-SI) | 1 L = 0.001 m³ (exact)Defined as exactly 1 dm³ = 0.001 m³. |
| US liquid pint (pt (US)) | US customary | 1 pt (US) = 0.000473176473 m³ (exact)Defined as exactly 1/8 US gallon = 473.176473 mL. |
| Imperial pint (pt (UK)) | British imperial | 1 pt (UK) = 0.00056826125 m³ (exact)Defined as exactly 568.26125 mL. |
| US liquid quart (qt (US)) | US customary | 1 qt (US) = 0.000946352946 m³ (exact) |
| Decilitre (dL) | metric (non-SI) | 1 dL = 0.0001 m³ (exact) |
| Cubic metre (m³) | SI (metric) | Base unit |
| US gallon (gal (US)) | US customary | 1 gal (US) = 0.003785411784 m³ (exact)The US gallon: exactly 231 cubic inches, or 3.785411784 L. |
| Imperial gallon (gal (UK)) | British imperial | 1 gal (UK) = 0.00454609 m³ (exact)The imperial (UK) gallon: exactly 4.54609 L, about 20% bigger than a US gallon. |
| Imperial quart (qt (UK)) | British imperial | 1 qt (UK) = 0.0011365225 m³ (exact) |
| Cubic inch (in³) | US & imperial (identical) | 1 in³ = 0.000016387064 m³ (exact) |
| Cubic foot (ft³) | US & imperial (identical) | 1 ft³ = 0.028316846592 m³ (exact) |
| Cubic yard (yd³) | US & imperial (identical) | 1 yd³ = 0.764554857984 m³ (exact) |
| Oil barrel (bbl) | US customary | 1 bbl = 0.158987294928 m³ (exact)Defined as exactly 42 US gallons = 158.987294928 L. |
US cups to millilitres conversion table
| US cups (cup (US)) | Millilitres (mL) |
|---|---|
| 0.125 cup (US) | 29.574 mL |
| 0.25 cup (US) | 59.147 mL |
| 0.3333333333 cup (US) | 78.863 mL |
| 0.5 cup (US) | 118.29 mL |
| 0.6666666667 cup (US) | 157.73 mL |
| 0.75 cup (US) | 177.44 mL |
| 1 cup (US) | 236.59 mL |
| 1.5 cup (US) | 354.88 mL |
| 2 cup (US) | 473.18 mL |
| 3 cup (US) | 709.76 mL |
| 4 cup (US) | 946.35 mL |
| 5 cup (US) | 1,182.9 mL |
| 6 cup (US) | 1,419.5 mL |
| 8 cup (US) | 1,892.7 mL |
Frequently asked questions
Which cooking units can I convert?
US cups (cup (US)), metric cups (cup (metric)), imperial cups (cup (UK)), US tablespoons (tbsp (US)), metric tablespoons (tbsp (metric)), US teaspoons (tsp (US)), metric teaspoons (tsp (metric)), US fluid ounces (fl oz (US)), imperial fluid ounces (fl oz (UK)), millilitres (mL), litres (L), US liquid pints (pt (US)), imperial pints (pt (UK)), US liquid quarts (qt (US)).
How accurate are the results?
Every unit is stored with its exact defining factor (NIST SP 811, NIST Handbook 44 or the BIPM SI Brochure). Calculations use double-precision arithmetic and are rounded only for display, to 5 significant figures by default (trailing zeros dropped, so 1 km shows as 1000 m). You can choose Auto (up to 10 digits), fixed decimals or more significant figures, or switch to scientific or engineering notation.
Why do US and UK (imperial) units give different answers?
Several units share a name but not a size. A US gallon is exactly 3.785411784 L while an imperial gallon is exactly 4.54609 L; a US fluid ounce is about 29.57 mL and a UK fluid ounce about 28.41 mL. Units are labelled US or UK throughout so you can pick the right one.
Can I convert cups to grams?
Not directly: cups measure volume and grams measure mass, so the answer depends on the ingredient’s density. Weighing ingredients is the most accurate approach.