US cups to US fluid ounces
1 US cup in US fluid ounces
1 cup = 8 fl oz
fl oz = cup × 8
To convert US cups to US fluid ounces, multiply by 8. The table below gives the values people look up most often, and the converter works for any number.
US cups to US fluid ounces table
| US cups | US fluid ounces |
|---|---|
| 1 cup | 8 |
| 2 cup | 16 |
| 3 cup | 24 |
| 4 cup | 32 |
| 5 cup | 40 |
| 10 cup | 80 |
| 15 cup | 120 |
| 20 cup | 160 |
| 25 cup | 200 |
| 30 cup | 240 |
| 40 cup | 320 |
| 50 cup | 400 |
| 75 cup | 600 |
| 100 cup | 800 |
| 250 cup | 2,000 |
| 500 cup | 4,000 |
| 1,000 cup | 8,000 |
How the conversion works
The relationship is fl oz = cup × 8. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.
US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL.
Common questions
- How many US fluid ounces are in one US cup?
- One US cup equals 8 US fluid ounces. fl oz = cup × 8.
- How do you convert US cups to US fluid ounces?
- Use fl oz = cup × 8. So 10 cup is 80 fl oz.
- How many US cups are in one US fluid ounce?
- One US fluid ounce equals 0.125 US cups, which is the reverse of the conversion above.
- Is there more than one kind of US cup?
- US legal cup is 240 mL; the customary cup used here is 236.588 mL.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place