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Add the Board foot volume unit useful for woodworkers #861

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Add the Board foot volume unit useful for woodworkers #861

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65b506c
Add board foot as a unit
mic-max Apr 30, 2026
3c5977e
Add bf lowercase shorthand
mic-max Apr 30, 2026
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4 changes: 4 additions & 0 deletions examples/tests/unit_consistency_misc.nbt
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,10 @@ assert_eq(16 tablespoon, 1 cup)
assert_eq(3 teaspoon, 1 tablespoon, 1e-5 teaspoon)
assert_eq(1 floz, 2 tablespoon)
assert_eq(1 hogshead, 63 gallon)
assert_eq(1 board_foot, 144 inch³)
assert_eq(12 board_foot, 1 ft³, 1e-9 ft³)
assert_eq(1 BF, 1 board_foot)
assert_eq(1 bf, 1 board_foot)
assert_eq(1 rod, 16.5 foot)

assert_eq(1 foot, 0.3048 meter, 1e-9 m)
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5 changes: 5 additions & 0 deletions numbat/modules/units/us_customary.nbt
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Expand Up @@ -41,6 +41,11 @@ unit hogshead: Volume = 63 gallon
@aliases(barrels)
unit barrel: Volume = 42 gallon

@name("Board foot")
@url("https://en.wikipedia.org/wiki/Board_foot")
@aliases(board_feet, BF: short, bf: short)
unit board_foot: Volume = 144 in^3

@name("US rod")
@url("https://en.wikipedia.org/wiki/Rod_(unit)")
@aliases(rods, perch)
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