numbat/modules/units/us_customary.nbt

### US customary units

@aliases(inches, in: short)
unit inch: Length = 0.0254 meter

@aliases(feet, ft: short)
unit foot: Length = 0.3048 meter
assert_eq(1 foot, 12 inches, 0.001 inch)  # TODO: move those assertions somewhere else

@aliases(yards, yd: short)
unit yard: Length = 0.9144 meter
assert_eq(1 yard, 3 feet, 0.001 foot)

@aliases(miles, mi: short)
unit mile: Length = 1609.344 meter
assert_eq(1 mile, 1760 yard, 0.001 yard)

@aliases(gallons, gal: short)
unit gallon: Volume = 0.003785411784 meter^3
assert_eq(1 gallon, 231 inch^3, 0.001 inch^3)

@aliases(fathoms)
unit fathom: Length = 2 yard

@aliases(furlongs)
unit furlong: Length = 220 yard