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⚡ Imperial Gallons to US Fluid Drams: the quick answer
1 gal-uk = 1,229.77 fl dr
1 imperial gallon equals 1,229.77 US fluid drams
To convert imperial gallons to US fluid drams, multiply the value by 1,229.77.
To go the other way, multiply US fluid drams by 0.000813158 to get imperial gallons.
↔ Convert US fluid drams to imperial gallons instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per imperial gallon) ÷ (cubic meters per US fluid dram).
📊 Imperial Gallons to US Fluid Drams conversion table
✏️ Worked examples
Convert 25 imperial gallons to US fluid drams
25 gal-uk × 1,229.77 = 30,744.3 fl dr
Try this example →
Convert 250 imperial gallons to US fluid drams
250 gal-uk × 1,229.77 = 307,443 fl dr
Try this example →
📘 About these units
Imperial gallon (gal-uk). The imperial gallon is exactly 4.54609 liters, used in the UK and in some Commonwealth countries.
US fluid dram (fl dr). A US fluid dram is 1/8 of a fluid ounce (3.697 mL).
❓ Frequently asked questions
How many US fluid drams are in one imperial gallon?
There are 1,229.77 US fluid drams in one imperial gallon.
How do I convert imperial gallons to US fluid drams?
Multiply the number of imperial gallons by 1,229.77. For example, 10 imperial gallons equal 12,297.7 US fluid drams.
How many imperial gallons are in one US fluid dram?
One US fluid dram equals 0.000813158 imperial gallons.
🔗 More volume conversions
All volume units →