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About this tool
Convert cubic feet to US gallons instantly. Free, bidirectional, and fully in-browser.
1 cubic foot equals 7.480519481 US gallons — enter any cubic foot value to convert it to US gallons instantly. This Cubic foot to US gallon converter is a client-side tool: it applies a single multiplication (gal = ft³ × 7.480519481) in your browser, updates the moment you type, and works in both directions — edit either field, or press swap, to convert US gallons back to cubic feet. A reference table lists common cubic foot values already converted, and nothing you enter is sent to a server.
Open Cubic foot to US gallon Converter on AltFTool — it loads instantly in your browser.
Type the value you want to convert into the Cubic foot field.
Read the equivalent in US gallons in the result field, and copy it if needed.
Use the decimal-places slider for more or less precision, or press swap to convert US gallons to cubic feet.
The result updates as you type, and the swap button flips the conversion to us gallon → cubic foot without reloading.
The conversion uses the precise factor (gal = ft³ × 7.480519481), so the number matches a manual calculation to the decimal places you choose.
A slider sets 0–10 decimal places, and very small or very large results switch to scientific notation instead of rounding to zero.
Everything runs locally in your browser — no upload, no account, no limit on conversions.
One cubic foot is 7.480519481 US gallons. Multiply the cubic foot value by 7.480519481 to convert. For example, 10 ft³ = 74.80519481 gal.
gal = ft³ × 7.480519481. This tool applies it automatically and shows a worked example: 10 ft³ = 74.80519481 gal.
Yes. Press the swap button, or type into the us gallon field, and the tool converts US gallons to cubic feet using the inverse of the same relationship.
It uses the standard volume and capacity definition (gal = ft³ × 7.480519481), not a rounded approximation, so results are exact to the number of decimal places you select.
Yes. The converter is a browser-side script with no network calls: your values are never uploaded, and once the page has loaded it keeps working without a connection.
Add the Cubic foot to US gallon Converter widget to your blog or website — free, responsive, no signup. Just keep the “Widget by AltFTool” credit link visible.
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