A cubic inch is the volume of a one-inch cube.
Cubic inches to Pints Converter — in3 to pt
Convert Cubic inch (in3) to Pint (pt) using the exact conversion factor (1 cubic inch = 0.0346320346 pint). See the formula, worked examples, conversion table, history, and common uses.
Cubic inches to Pints converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
A US liquid pint is one eighth of a US gallon.
Result = input x 1.6387064e-5 / 0.000473176473.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic inches to Pints
Cubic inch and Pint appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: A cubic inch is the volume of a one-inch cube, and a US liquid pint is one eighth of a US gallon.
Formula
pints = cubic inches × 0.034632034632
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic inch equals 0.000016387064 base units, and 1 pint equals 0.000473176473 base units, so dividing one by the other gives the direct cubic inch-to-pint factor of 0.034632034632.
Simple example
1 in3 × 0.03463203463 = 0.0346320346 pt
1 cubic inch = 0.0346320346 pints.
Real-world example
10 in3 × 0.03463203463 = 0.3463203463 pt
10 cubic inches = 0.3463203463 pints.
Conversion table
| Cubic inch (in3) | Pint (pt) |
|---|---|
| 1 in3 | 0.0346320346 pt |
| 5 in3 | 0.1731601732 pt |
| 10 in3 | 0.3463203463 pt |
| 25 in3 | 0.8658008658 pt |
| 50 in3 | 1.731601732 pt |
| 100 in3 | 3.463203463 pt |
Reverse conversion: Pint to Cubic inch
0.0346320346 pt × 28.875 = 0.9999999991 in3
0.0346320346 pints = 0.9999999991 cubic inches.
cubic inches = pints × 28.875
For a page dedicated to this direction, see Pint to Cubic inch.
Understanding the Cubic inch (in3)
A cubic inch is the volume of a one-inch cube.
Understanding the Pint
Pint (pt) measures volume. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 liters. It is classified as a US customary unit.
Where it's used: United States (beer serving, cooking, dairy)
Uses of the Pint today
- US beer and beverage serving sizes
- US recipe measurement
- US dairy packaging (pint containers)
History of the Pint
The pint follows the same English wine-gallon lineage as the US gallon and quart, retained by the US after Britain's 1824 switch to a different imperial gallon standard.
Historical origin. Pint was not the invention of a single named person; it developed through the process described above.
Pint — sources
- NIST Handbook 44, Appendix C — General tables of units including the US pint definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pints are in 1 cubic inch?
1 cubic inch equals 0.0346320346 pints, using the exact defined conversion factor rather than an estimate.
How do I convert cubic inch to pint?
Multiply the cubic inch value by 0.03463203463. The converter above does this instantly to whatever precision you set.
How do I convert pint back to cubic inch?
Use the reverse factor: 1 pint equals 28.875 cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic inch?
Cubic inch (in3) is a unit of volume.
What is a pint?
Pint (pt) measures volume. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 liters. It is classified as a US customary unit.
Is the cubic inch to pint conversion exact?
Yes. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 liters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.