Convert US customary cups (cup (US)) to US fluid ounces (fl oz (US)).
Edit either value. Decimals and scientific notation supported.
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1 cup (US) ≈ 8 fl oz (US)
Precision changes displayed rounding, not calculation accuracy.
fl oz (US) = cup (US) × 8fl oz (US) = cup (US) × 8
Multiply the cup (US) reading by 8.
1 cup (US) ≈ 8 fl oz (US)
1 × 8 ≈ 8
16 cup (US) ≈ 128 fl oz (US)
16 × 8 ≈ 128
A metric cup is 250 mL, while a US customary cup is 236.5882365 mL. Metric teaspoons and tablespoons here are 5 mL and 15 mL; US customary spoons differ. Match the named definition in the recipe.
Fixed reference · US customary cup to US fluid ounce
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
| US customary cup (cup (US)) | US fluid ounce (fl oz (US)) |
|---|---|
| 0 | 0 |
| 0.1 | 0.8 |
| 0.5 | 4 |
| 1 | 8 |
| 2 | 16 |
| 5 | 40 |
| 10 | 80 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 1000 | 8000 |
m · km · cm and more
kg · g · mg and more
m² · km² · cm² and more
L · mL · m³ and more
°C · °F · K and more
m/s · km/h · mph and more
Pa · kPa · MPa and more
J · kJ · MJ and more
W · kW · MW and more
B · b · kB and more
px · pt · pc and more
s · ms · µs and more
° · rad · gon and more
Hz · kHz · MHz and more
N · kN · lbf and more
bit/s · kbit/s · Mbit/s and more
L/100 km · km/L · mpg (US) and more
kg/m³ · g/cm³ · g/L and more
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