Cup US to Fluid Ounce US Converter 2026 - cup to fl oz Calculator | Thiyagi

Cup US to Fluid Ounce US Converter

Convert between US cups and US fluid ounces for perfect cooking measurements

1 cup = 8 fl oz
1 fl oz = 0.125 cup
Enter a value to see the conversion result

Common Cooking Conversions

Cups ⇔ Fluid Ounces
1/8 (0.125) ⇔ 1
1/4 (0.25) ⇔ 2
1/3 (0.333) ⇔ 2.67
1/2 (0.5) ⇔ 4
3/4 (0.75) ⇔ 6
1 ⇔ 8

Recipe Equivalents

Liquid Ingredients:
• 1 cup milk = 8 fl oz
• 1 cup water = 8 fl oz
• 1 cup juice = 8 fl oz
• 1 cup oil = 8 fl oz
Baking Liquids:
• 1/2 cup cream = 4 fl oz
• 1/4 cup vanilla = 2 fl oz
• 1/3 cup honey = 2.67 fl oz
• 3/4 cup buttermilk = 6 fl oz
Beverage Measurements:
• Standard coffee cup = 6 fl oz
• Tea cup = 6 fl oz
• Juice glass = 4-6 fl oz
• Water glass = 8 fl oz

US Measurement System

  • Cup: 8 fluid ounces
  • Fluid Ounce: 1/8 cup
  • Standard: US customary units
  • Volume: 1 cup = 236.588 mL

Cooking Tips

  • Use liquid measuring cups for fluids
  • Read at eye level for accuracy
  • 1 cup = 16 tablespoons
  • 2 cups = 1 pint

Kitchen Applications

  • Baking: Precise liquid measurements
  • Cooking: Sauce and soup preparation
  • Beverages: Drink preparation
  • Nutrition: Portion control