Refers to a horizontal structural member in architecture, bridges, or shipbuilding. In everyday contexts, 梁 (はり) is more common for beams in houses.
The bridge girders were reinforced due to aging.
この建物の桁には古い木材が使われている。
Old timber is used for the beams in this building.
digit; place; order of magnitude
Used in mathematics and everyday expressions to talk about numerical digits, decimal places, or orders of magnitude. Common in phrases like 桁が違う (be on a completely different level).
この数字は何桁ですか。
How many digits does this number have?
彼の年収は私とは桁が違う。
His annual income is on a completely different order of magnitude from mine.
This PIN is a four-digit number.
I made a mistake with the digits while calculating.
When you add 1 to 9, it carries over to become 10.
梁 refers to any horizontal beam or joist in general, while 桁 specifically denotes a larger, principal girder that often carries the 梁 themselves.
well curb; wooden well frame · #-like pattern; hash sign; number sign
one digit; single digit; ones place
three-digit number; hundreds column
main girder
two-digit number; double figures
five-digit number; five digits; ten-thousands place
stringer; slanted staircase beam
four-digit number; thousands place
yard; boom
partition cap; upper plate; wall girder
headroom; vertical clearance; maximum height