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Cubic foot to Cubic inch

Convert Cubic foot to Cubic inch and get the exact value instantly.

About this conversion

To convert Cubic foot to Cubic inch, multiply the number of Cubic foot by 1728.

Volume units divide between metric (liters, milliliters) and US customary (gallons, cups, fluid ounces), which trips up cooking, fuel figures and container sizing until you convert them.

Conversion table

Cubic foot (ft³)Cubic inch (in³)
1 ft³1728 in³
2 ft³3456 in³
5 ft³8640 in³
10 ft³17280 in³
100 ft³172800 in³

How to use this converter

  1. Enter your Cubic foot value

    Type any number into the Cubic foot field. It starts at 1 so you can read the rate straight away.

  2. Read the Cubic inch result

    The amount in Cubic inch updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Cubic inch are in one Cubic foot?
One Cubic foot equals 1728 in³. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Cubic foot to Cubic inch conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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