Utility July 13, 2026 · 8 Min Read

Ounces to Cups Calculator – Guide & Formulas

Convert fluid ounces to cups (fl oz to cups) instantly with support for US, UK, and metric standards.

An essential cooking helper to convert fluid ounces to cups. Ideal for scaling recipes, baking, and kitchen measurements.

Key Takeaway

Use the free Ounces to Cups Calculator to convert fluid ounces to cups (fl oz to cups) instantly with support for us, uk, and metric standards. Get instant results with step-by-step explanations.

How to Use the Ounces to Cups Calculator

  1. Enter the volume in fluid ounces (fl oz).
  2. Select the measurement type: US Standard, US Food Labeling, or Imperial/Metric.
  3. View the equivalent cups and any remaining fluid ounces instantly.
  4. Copy the kitchen conversion report to your clipboard.

The Formula

Cups = Fluid Ounces / 8 (for standard US cups)

Variable Definitions

  • Fluid Ounces: The volume in fluid ounces
  • Cups: The equivalent volume in cups

Converting a 12 fl oz Soda Can

Find how many US standard cups are in a standard 12 fluid ounce beverage can.

  1. Step 1: Input Fluid Ounces = 12.
  2. Step 2: Divide by 8.
  3. Step 3: 12 / 8 = 1.5 cups (or 1 cup and 4 ounces).

Frequently Asked Questions

Are dry ounces different from fluid ounces?

Yes. Fluid ounces measure volume (liquid space), while dry ounces measure weight (mass). This calculator is designed specifically for fluid ounces.

How many ounces are in a standard US cup?

A standard US customary cup is exactly 8 fluid ounces. A US legal cup (used on nutritional labels) is 240 mL (about 8.12 fl oz), and a metric cup is 250 mL (about 8.45 fl oz).