US Cups to US Fluid Ounces Converter
Convert volume instantly between US Cups and US Fluid Ounces.
US Fluid Ounces
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400 fl oz
Reverse Ratio: 1 fl oz = 0.125 cups
Understanding US Cups to US Fluid Ounces Conversion
Converting liquid or spatial measurements between US Cups (cups) and US Fluid Ounces (fl oz) requires an accurate calculation factor based on standard measurement baselines.
How to Calculate Manually
To convert directly from US Cups to US Fluid Ounces, use the formula:
Volume in fl oz = Volume in cups × 8
Key Conversion Notes
- 1 US Cups equals exactly 8 US Fluid Ounces.
- For reverse calculations, divide your target figure by 8.
- Always double-check regional system differences (e.g., US Customary vs. Imperial UK) when measuring liquids for recipes or technical specifications.
Common Fractional & Integer US Cups Conversions
Select a common fraction or volume below to view its detailed breakdown:
| cups | fl oz | cups | fl oz | cups | fl oz |
|---|---|---|---|---|---|
| 1/8 (0.125) cups | 1 fl oz | 12 cups | 96 fl oz | 200 cups | 1600 fl oz |
| 1/4 (0.25) cups | 2 fl oz | 15 cups | 120 fl oz | 225 cups | 1800 fl oz |
| 1/3 (0.333) cups | 2.664 fl oz | 20 cups | 160 fl oz | 250 cups | 2000 fl oz |
| 1/2 (0.50) cups | 4 fl oz | 25 cups | 200 fl oz | 300 cups | 2400 fl oz |
| 2/3 (0.667) cups | 5.336 fl oz | 30 cups | 240 fl oz | 330 cups | 2640 fl oz |
| 3/4 (0.75) cups | 6 fl oz | 40 cups | 320 fl oz | 350 cups | 2800 fl oz |
| 1 cups | 8 fl oz | 50 cups | 400 fl oz | 400 cups | 3200 fl oz |
| 2 cups | 16 fl oz | 60 cups | 480 fl oz | 450 cups | 3600 fl oz |
| 3 cups | 24 fl oz | 75 cups | 600 fl oz | 500 cups | 4000 fl oz |
| 4 cups | 32 fl oz | 80 cups | 640 fl oz | 750 cups | 6000 fl oz |
| 5 cups | 40 fl oz | 90 cups | 720 fl oz | 1000 cups | 8000 fl oz |
| 6 cups | 48 fl oz | 100 cups | 800 fl oz | 1500 cups | 12000 fl oz |
| 7 cups | 56 fl oz | 120 cups | 960 fl oz | 2000 cups | 16000 fl oz |
| 8 cups | 64 fl oz | 125 cups | 1000 fl oz | 2500 cups | 20000 fl oz |
| 9 cups | 72 fl oz | 150 cups | 1200 fl oz | 3000 cups | 24000 fl oz |
| 10 cups | 80 fl oz | 175 cups | 1400 fl oz | 5000 cups | 40000 fl oz |
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