US to UK Units Converter
Convert American units to British units
1 US gal =
0.832674
UK Gallons (UK gal)
Key Differences
Volume Measurements
The US gallon (3.785 L) is smaller than the UK gallon (4.546 L). This affects all derived units like quarts, pints, and cups. 1 US gallon = 0.833 UK gallons.
Weight Measurements
The US ton (short ton = 2000 lb) is lighter than the UK ton (long ton = 2240 lb). 1 US ton = 0.893 UK tons.
Paper Sizes
The US uses Letter (8.5 x 11 inches) while the UK uses A4 (210 x 297 mm). A4 is slightly narrower and taller than Letter.
Quick Reference
1 US gallon
= 0.833 UK gallon
1 US pint
= 0.833 UK pint
1 US fl oz
= 1.041 UK fl oz
1 US ton
= 0.893 UK ton
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Formula Source: NIST Guide to SI Units
by National Institute of Standards