How Many Ounces Is In A Cup?

Category: volume

1 cup equals 8 fluid ounces.

1 fluid ounce equals 0.125 cups.

This converter answers how many ounces is in a cup? using a consistent base-unit method. We convert cups to a shared base unit first, then convert to fluid ounces. Use the quick answer for one-off checks, the calculator for custom values, and the 1–10 table for fast lookups.

Calculator

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Table (1 to 10)

cupounces
18
216
324
432
540
648
756
864
972
1080

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FAQ

How many fluid ounces are in 1 cup?

1 cup equals 8 fluid ounces.

How many cups are in 1 fluid ounce?

1 fluid ounce equals 0.125 cups.

How do I convert cup to fluid ounces?

Multiply the source amount by the conversion factor shown in the calculator, then verify with the conversion table.

Can I convert decimal values?

Yes. The calculator supports decimal inputs and updates instantly.