Volume · Unit Converter

Convert US Dry Gallon to Cubic Foot

Convert us dry gallons to cubic feet instantly. 1 us dry gallon = 0.1555570023 cubic foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Cubic Foot to US Dry Gallon converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

US Customary (Dry)

US Dry Gallon

What is a us dry gallon?

A US dry gallon is 1/8 of a US bushel (4.40488 L).

Origin of the us dry gallon

Based on the historic Winchester bushel of 2,150.42 cubic inches.

Where it is used

Used for dry commodities such as grains and berries.

When and where it was developed

Winchester measure.

Cubic (length-derived)

Cubic Foot

What is a cubic foot?

A cubic foot is the volume of a cube one foot on a side (28.3168 L).

Origin of the cubic foot

Derived by cubing the international foot (0.3048 m).

Where it is used

Used for natural gas, refrigerators, shipping and HVAC.

When and where it was developed

1959 yard agreement.

US Dry Gallon to Cubic Foot conversion formula

The relationship between us dry gallons and cubic feet:

1 dry gal = 0.1555570023 ft³
1 ft³ = 6.4285116396 dry gal

To convert us dry gallons to cubic feet, multiply the value in us dry gallons by 0.1555570023. To reverse, multiply cubic feet by 6.4285116396.

How to use this converter

Type a value into the calculator. The result in cubic feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Cubic Foot to US Dry Gallon converter for the reverse direction.

Step-by-step: convert us dry gallons to cubic feet

  1. Write down the value in us dry gallons (dry gal).
  2. Multiply that value by the factor 0.1555570023.
  3. The product is the equivalent value in cubic feet (ft³).
  4. To reverse, multiply the cubic foot value by 6.4285116396.

Worked examples

Example 1 — Convert 1 dry gal to ft³:
1 × 0.1555570023 = 0.1555570023 ft³

Example 2 — Convert 100 dry gal to ft³:
100 × 0.1555570023 = 15.5557002315 ft³

Real-world example — Hardware-scale dimensions

A 10-us dry gallon fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between us dry gallons and cubic feet daily when mixing metric and imperial tools.

10 dry gal × 0.1555570023 = 1.5555700231 ft³

Real-world example — Postcard and small-object dimensions

A postcard is about 5 us dry gallons wide. Converting to cubic feet is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 dry gal × 0.1555570023 = 0.7777850116 ft³

Real-world example — Ruler-scale measurements

A 30-us dry gallon school ruler converts cleanly to cubic feet — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 dry gal × 0.1555570023 = 4.6667100694 ft³

US Dry Gallon to Cubic Foot conversion table

Standard reference values for converting us dry gallons to cubic feet:

US Dry Gallon [dry gal]Cubic Foot [ft³]
0.010.00155557
0.10.0155557002
10.1555570023
20.3111140046
30.4666710069
40.6222280093
50.7777850116
101.5555700231
203.1111400463
304.6667100694
406.2222800926
507.7778501157
10015.5557002315
50077.7785011574
1000155.5570023148

Frequently asked questions

How many cubic feet is 1 us dry gallon?
1 us dry gallon equals 0.1555570023 cubic foot.
How do I convert us dry gallons to cubic feet?
Multiply the value in us dry gallons by 0.1555570023 to get cubic feet.
How do I convert cubic feet back to us dry gallons?
Multiply the value in cubic feet by 6.4285116396, or use the Cubic Foot to US Dry Gallon converter.
How many cubic feet is 100 us dry gallons?
100 us dry gallons equals 15.5557002315 cubic feet, because 100 × 0.1555570023 = 15.5557002315.

Convert US Dry Gallon to other volume units

Show all US Dry Gallon conversions

Sources & references

Conversion factor (1 dry gal = 0.1555570023 ft³) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.