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Convert Cubic Inches to US Cups

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Measurement

Volume Converter
10 sig. figures
Formula1 in³ × 0.06926406926 = 0.06926406926 US cup

About Volume Conversions

Volume trips people up because US customary and imperial units share names but not sizes. A US gallon (3.785 liters) runs about 17% smaller than an imperial gallon (4.546 liters), and the gap carries down into pints, quarts, and fluid ounces. Cooking is where it bites: a British recipe's pint of milk is 568 ml, an American pint only 473 ml. Science sidesteps the mess with metric volume, where 1 mL equals exactly 1 cm³. US and imperial variants stay separate below, with exact conversion chains holding precision across the swap.

Quick Conversions

Cubic InchesUS Cups
1 in³0.0692641 US cup
2 in³0.138528 US cup
5 in³0.34632 US cup
10 in³0.692641 US cup
25 in³1.7316 US cup
50 in³3.4632 US cup
100 in³6.92641 US cup
250 in³17.316 US cup
500 in³34.632 US cup
1000 in³69.2641 US cup
Unit NameSymbolPer 1 Cubic Inch
Cubic Centimetercm³16.3871
Cubic Footft³0.000578704
Cubic Inchin³1
Cubic Meter0.0000163871
Imperial Fluid Ounceimp fl oz0.576744
Imperial Gallonimp gal0.00360465
Imperial Pintimp pt0.0288372
LiterL0.0163871
MillilitermL16.3871
US CupUS cup0.0692641
US Fluid OunceUS fl oz0.554113
US GallonUS gal0.004329
US PintUS pt0.034632
US QuartUS qt0.017316
US TablespoonUS tbsp1.10823
US TeaspoonUS tsp3.32468

Frequently Asked Questions

How do I convert Cubic Inches to US Cups?

To convert Cubic Inches to US Cups, use the conversion where 1 Cubic Inch (in³) = 0.0692641 US Cups (US cup). For example, 1 Cubic Inch = 0.0692641 US Cups.

What are common Cubic Inch to US Cup conversions?

Here are common conversions: 1 Cubic Inches = 0.0692641 US Cups, 5 Cubic Inches = 0.34632 US Cups, 10 Cubic Inches = 0.692641 US Cups, 25 Cubic Inches = 1.7316 US Cups, 50 Cubic Inches = 3.4632 US Cups, 100 Cubic Inches = 6.92641 US Cups.

When would I need to convert Cubic Inches to US Cups?

Volume conversions come up when scaling recipes between metric (milliliters, liters) and US customary units (cups, fluid ounces), calculating fuel tank capacities across regions, and in chemistry and manufacturing where a precise liquid measurement decides the outcome.

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.

Sources

Read our full methodology →