Convert US Gallon to US Dry Gallon
Convert us gallons to us dry gallons instantly. 1 us gallon = 0.8593670074 us dry gallon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Dry Gallon to US Gallon converter for the reverse conversion.
Units explained
US Gallon
The US liquid gallon is defined as exactly 231 cubic inches (3.785411784 liters).
Based on the English wine gallon of 231 cubic inches, retained by the US after 1824.
The primary US unit for fuel, milk and large beverage containers.
English wine gallon; US since 1824.
US Dry Gallon
A US dry gallon is 1/8 of a US bushel (4.40488 L).
Based on the historic Winchester bushel of 2,150.42 cubic inches.
Used for dry commodities such as grains and berries.
Winchester measure.
US Gallon to US Dry Gallon conversion formula
The relationship between us gallons and us dry gallons:
To convert us gallons to us dry gallons, multiply the value in us gallons by 0.8593670074. To reverse, multiply us dry gallons by 1.1636471861.
How to use this converter
Type a value into the calculator. The result in us dry gallons updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Dry Gallon to US Gallon converter for the reverse direction.
Step-by-step: convert us gallons to us dry gallons
- Write down the value in us gallons (gal).
- Multiply that value by the factor 0.8593670074.
- The product is the equivalent value in us dry gallons (dry gal).
- To reverse, multiply the us dry gallon value by 1.1636471861.
Worked examples
Example 1 — Convert 1 gal to dry gal:
1 × 0.8593670074 = 0.8593670074 dry gal
Example 2 — Convert 100 gal to dry gal:
100 × 0.8593670074 = 85.9367007375 dry gal
Real-world example — Postcard and small-object dimensions
A postcard is about 5 us gallons wide. Converting to us dry gallons is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 gal × 0.8593670074 = 4.2968350369 dry gal
Real-world example — Ruler-scale measurements
A 30-us gallon school ruler converts cleanly to us dry gallons — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 gal × 0.8593670074 = 25.7810102213 dry gal
Real-world example — Hardware-scale dimensions
A 10-us gallon fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between us gallons and us dry gallons daily when mixing metric and imperial tools.
10 gal × 0.8593670074 = 8.5936700738 dry gal
US Gallon to US Dry Gallon conversion table
Standard reference values for converting us gallons to us dry gallons:
| US Gallon [gal] | US Dry Gallon [dry gal] |
|---|---|
| 0.01 | 0.0085936701 |
| 0.1 | 0.0859367007 |
| 1 | 0.8593670074 |
| 2 | 1.7187340148 |
| 3 | 2.5781010221 |
| 4 | 3.4374680295 |
| 5 | 4.2968350369 |
| 10 | 8.5936700738 |
| 20 | 17.1873401475 |
| 30 | 25.7810102213 |
| 40 | 34.374680295 |
| 50 | 42.9683503688 |
| 100 | 85.9367007375 |
| 500 | 429.6835036877 |
| 1000 | 859.3670073753 |
Frequently asked questions
How many us dry gallons is 1 us gallon?
How do I convert us gallons to us dry gallons?
How do I convert us dry gallons back to us gallons?
How many us dry gallons is 100 us gallons?
Popular volume unit conversions
Convert US Gallon to other volume units
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Metric / SI (15 units)
US Customary (Liquid) (14 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 gal = 0.8593670074 dry gal) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.