Conversion Result
Enter a value or dimensions to begin.
Calculation History
Recent calculations appear here.
Formula Used
Convert the starting value into cubic metres first. Then divide by the destination unit factor. This method keeps every supported conversion consistent and accurate.
Converted value = Input value × From-unit factor ÷ To-unit factor 1 ft³ = 7.48051948 US liquid gallons 1 ft³ = 6.42851159 US dry gallons 1 ft³ = 6.22883546 Imperial gallons
How to Use
Select a calculator mode before entering your measurements. Choose units, precision, and formatting preferences. Press calculate to create detailed results and exports.
- Choose single, dimensions, or batch mode.
- Enter non-negative values in the visible fields.
- Select starting and destination units.
- Adjust precision and number formatting.
- Calculate, copy, print, or export results.
Example Conversion Table
| Cubic feet | US liquid gallons | US dry gallons | Imperial gallons |
|---|---|---|---|
| 1 | 7.480519 | 6.428512 | 6.228835 |
| 2 | 14.961039 | 12.857023 | 12.457671 |
| 5 | 37.402597 | 32.142558 | 31.144177 |
| 10 | 74.805195 | 64.285116 | 62.288355 |
| 25 | 187.012987 | 160.712790 | 155.720886 |
Frequently Asked Questions
How many US liquid gallons equal one cubic foot?
One cubic foot equals about 7.48051948 US liquid gallons.
How do I convert cubic feet to gallons?
Multiply cubic feet by the selected gallon conversion factor.
Are US and Imperial gallons equal?
No. An Imperial gallon is larger than a US liquid gallon.
What is a US dry gallon?
It measures dry capacity and differs from liquid gallons.
How many cubic feet equal one US gallon?
One US liquid gallon equals about 0.133680556 cubic feet.
Can this calculator measure tank capacity?
Yes. Use the dimensions mode for rectangular containers.
Can I change decimal precision?
Yes. Choose any precision from zero through twelve decimals.
Does the calculator support batch values?
Yes. Separate values using commas, spaces, or new lines.
Can I export my results?
Yes. Results can be copied, downloaded, printed, or exported.
Why do gallon results change by standard?
Each gallon standard represents a different physical volume.
Does the calculator support litres?
Yes. Litres and several additional volume units are supported.