# Convert Cubic Foot to Cubic Inch

Please provide values below to convert cubic foot [ft^3] to cubic inch [in^3], or *vice versa*.

### Cubic foot

**Definition:** A cubic foot (symbol: ft^{3}) is a unit of volume in the Imperial and United States customary systems of measurement defined as the volume of a cube with side measurements of 1 ft × 1 ft × 1 ft. It is equal to 1,728 cubic inches, approximately 0.028317 cubic meters, and 28.317 liters.

**History/origin:** The cubic foot is derived from the foot, the definition of which is based on the international yard which was adopted in the 1950s and 1960s as exactly equal to 0.9144 m.

**Current use:** The cubic foot is used in the United States and in some parts of Canada and the United Kingdom, though in all of these countries, the SI (International System of Units) units of volume, liter, milliliter, and cubic meter, are also used.

### Cubic inch

**Definition:** The cubic inch (symbol: in^{3}) is a unit of volume in the Imperial and United States customary systems of measurement. It is the volume of a cube with measurements 1 in × 1 in × 1 in. It is equal to 16.387064 cm^{3} or mL.

**History/origin:** The cubic inch is derived from the inch, a unit of length within the imperial and US customary systems of measurement. Since the 1950s and 1960s, with the adoption of the international yard, the inch has been defined as exactly 2.54 cm.

**Current use:** The cubic inch and cubic foot are still used in the United States, and to some extent in the United Kingdom. However, SI (International System of Units) units of measurement are also widely used throughout these countries.

In the US, the automotive and aircraft industries in particular use the cubic inch to some extent, though the SI derived or SI accepted units of volume (liter, milliliter, and cubic meter) are also used.

In the UK, automotive model numbers are sometimes denoted in cubic inches.

### Cubic Foot to Cubic Inch Conversion Table

Cubic Foot [ft^3] | Cubic Inch [in^3] |
---|---|

0.01 ft^3 | 17.28 in^3 |

0.1 ft^3 | 172.8 in^3 |

1 ft^3 | 1728 in^3 |

2 ft^3 | 3456 in^3 |

3 ft^3 | 5184 in^3 |

5 ft^3 | 8640 in^3 |

10 ft^3 | 17280 in^3 |

20 ft^3 | 34560 in^3 |

50 ft^3 | 86400 in^3 |

100 ft^3 | 172800 in^3 |

1000 ft^3 | 1728000 in^3 |

### How to Convert Cubic Foot to Cubic Inch

1 ft^3 = 1728 in^3

1 in^3 = 0.0005787037 ft^3

**Example:** convert 15 ft^3 to in^3:

15 ft^3 = 15 × 1728 in^3 = 25920 in^3