There are 8 ounces in a cup.

There are 8 fluid ounces in 1 cup.

There are 8 fluid ounces in a standard cup.

There are 8 fluid ounces in 1 US cup for liquid measurements[1][2][3].

Dry ingredients require weight measurements, with 1 cup typically equating to 4.5 dry ounces on average, though this varies by ingredient (e.g., flour ≈4.5 oz, sugar ≈7 oz)[4][7][8].

For conversions: - Liquid: Multiply cups by 8 (e.g., 2 cups = 16 fl oz)[5][6]. - Dry: Use a scale for precision, as volume-to-weight ratios differ[3][4][7].

International variations: - UK/metric cup: ≈8.45 US fl oz (250 mL vs. US 240 mL)[2][4]. - Imperial cup: 10 fl oz (used in some Commonwealth countries)[4].