Cubic Feet to US Gallons Converter

Summary

Enter cubic feet to get US liquid gallons instantly, with a built-in reverse converter.

How it works

1. Enter a value in cubic feet in the top input field.
2. The US gallon result appears instantly — no button needed.
3. Use the reverse field to convert US gallons back to cubic feet.
4. Click "Copy" next to any result to copy it to your clipboard.
5. Check the reference table for common cubic foot values.

Use cases

• Convert pool or tank volumes from cubic feet to gallons for chemical dosing.
• Calculate aquarium capacity when dimensions give cubic feet but supplies list gallons.
• Convert HVAC or duct volumetric flow rates between ft³ and gallons.
• Check fuel or water storage container capacity in US gallons.
• Cross-check construction or excavation volume figures.

Frequently Asked Questions