Convert Imperial Gallon to US Dry Quart
Convert imperial gallons to us dry quarts instantly. 1 imperial gallon = 4.128226974 us dry quart — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Dry Quart to Imperial Gallon converter for the reverse conversion.
Units explained
Imperial Gallon
The imperial gallon is defined as exactly 4.54609 liters.
Set by the British Weights and Measures Act of 1824 as the volume of 10 lb of water.
Used for fuel and beverages in the UK and Commonwealth.
UK, 1824.
US Dry Quart
A US dry quart is one quarter of a US dry gallon (1.10122 L).
A subdivision of the Winchester dry measure.
Sold for produce such as berries and tomatoes.
Winchester measure.
Imperial Gallon to US Dry Quart conversion formula
The relationship between imperial gallons and us dry quarts:
To convert imperial gallons to us dry quarts, multiply the value in imperial gallons by 4.128226974. To reverse, multiply us dry quarts by 0.242234743.
How to use this converter
Type a value into the calculator. The result in us dry quarts 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 Quart to Imperial Gallon converter for the reverse direction.
Step-by-step: convert imperial gallons to us dry quarts
- Write down the value in imperial gallons (gal).
- Multiply that value by the factor 4.128226974.
- The product is the equivalent value in us dry quarts (dry qt).
- To reverse, multiply the us dry quart value by 0.242234743.
Worked examples
Example 1 — Convert 1 gal to dry qt:
1 × 4.128226974 = 4.128226974 dry qt
Example 2 — Convert 100 gal to dry qt:
100 × 4.128226974 = 412.8226973955 dry qt
Real-world example — Hardware-scale dimensions
A 10-imperial gallon fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between imperial gallons and us dry quarts daily when mixing metric and imperial tools.
10 gal × 4.128226974 = 41.2822697395 dry qt
Real-world example — Postcard and small-object dimensions
A postcard is about 5 imperial gallons wide. Converting to us dry quarts is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 gal × 4.128226974 = 20.6411348698 dry qt
Real-world example — Ruler-scale measurements
A 30-imperial gallon school ruler converts cleanly to us dry quarts — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 gal × 4.128226974 = 123.8468092186 dry qt
Imperial Gallon to US Dry Quart conversion table
Standard reference values for converting imperial gallons to us dry quarts:
| Imperial Gallon [gal] | US Dry Quart [dry qt] |
|---|---|
| 0.01 | 0.0412822697 |
| 0.1 | 0.4128226974 |
| 1 | 4.128226974 |
| 2 | 8.2564539479 |
| 3 | 12.3846809219 |
| 4 | 16.5129078958 |
| 5 | 20.6411348698 |
| 10 | 41.2822697395 |
| 20 | 82.5645394791 |
| 30 | 123.8468092186 |
| 40 | 165.1290789582 |
| 50 | 206.4113486977 |
| 100 | 412.8226973955 |
| 500 | 2064.1134869774 |
| 1000 | 4128.2269739548 |
Frequently asked questions
How many us dry quarts is 1 imperial gallon?
How do I convert imperial gallons to us dry quarts?
How do I convert us dry quarts back to imperial gallons?
How many us dry quarts is 100 imperial gallons?
Popular volume unit conversions
Convert Imperial Gallon to other volume units
Show all Imperial Gallon conversions
Metric / SI (15 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (13 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 gal = 4.128226974 dry qt) 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.