Cubic Inches to Cups Calculator

Convert cubic inches (in³) to US cups (c) accurately. Useful for cooking, baking, and liquid volume conversions.

Volume ConverterLive
Precision:
in³
Formulan in³ ÷ 14.4375 = ? c

Quick Values

How to Convert Cubic Inches to US Cups

cups = in³ ÷ 14.4375 (1 cup = 14.4375 in³)

1 US cup = 14.4375 cubic inches (exactly 8 fl oz × 1.80469 in³/fl oz).

1 cubic inch ≈ 0.06926 US cups.

A standard 12 fl oz can ≈ 21.66 cubic inches ≈ 1.5 cups.

To reverse: multiply cups × 14.4375 to get cubic inches.

Cubic InchesUS Cups Reference Table

Cubic Inches (in³)US Cups (c)
10.0693
20.1385
50.3463
100.6926
251.7316
503.4632
1006.9264
25017.316
50034.632
1,00069.2641

Click any row to load into the calculator.

📦Unit Reference

Cubic Inches

1 in³ = 0.0693 c

US Cups

1 c = 14.4375 in³

✅ Common Use Cases

  • Engine displacement (automotive)
  • Aquarium & tank sizing
  • Shipping & packaging volume
  • Fuel & fluid calculations
  • HVAC duct sizing
  • 3D printing volume estimation

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