Gallons (UK) to Fluid drams (UK) converter

To convert gallons (UK) to fluid drams (UK), enter the value in the first field. The result in fluid drams (UK) is calculated automatically using the exact conversion factor.

1 UK gal = 1280 UK fl dr
1 UK fl dr = 0.00078125 UK gal

Formula: UK fl dr = UK gal × 1280
UK gal = UK fl dr × 0.00078125

Definitions: 1 UK gal = 4.54609 L; 1 UK fl dr = 1/8 UK fl oz

The imperial (UK) gallon is defined as exactly 4.54609 liters, about 20% larger than the US liquid gallon. It survives in British fuel-economy figures (miles per gallon) and is the base of the imperial system of capacity, in which the pint, quart, peck and bushel are all defined relative to it.

The imperial fluid drachm, usually called a fluid dram, is 1/8 of an imperial fluid ounce, about 3.55 mL. It belongs to the old British apothecaries' system that metric doses have replaced.

See the conversion table with commonly used values, handy for quick reference or study.