広(ひろ)さ

ひろさ

noun

extent; spaciousness; width; area

technicalsize

1. extent; spaciousness; size (of area)

The degree to which something is wide or spacious.

この部屋(へや)の広(ひろ)さはどのくらいですか。

How big is this room?

公園(こうえん)の広(ひろ)さに驚(おどろ)いた。

I was surprised by how spacious the park was.

東京(とうきょう)ドーム何個(なんこ)分(ぶん)の広(ひろ)さですか。

How many Tokyo Domes would it take to equal the size?

2. width; breadth

The measurement of how wide something is.

彼(かれ)の知識(ちしき)の広(ひろ)さには感心(かんしん)する。

I am impressed by the breadth of his knowledge.

道(みち)の広(ひろ)さは約(やく)10メートルだ。

The width of the road is about 10 meters.

視野(しや)の広(ひろ)さが大切(たいせつ)だ。

Having a broad perspective is important.

広(ひろ)さ is the noun form of the adjective 広(ひろ)い (wide, spacious), created with the suffix ～さ.

Common patterns

～の広(ひろ)さ (the size/extent of ~)
広(ひろ)さは～平方(へいほう)メートル (~ square meters in area)
広(ひろ)さに驚(おどろ)く (to be surprised by the spaciousness)

Measurement usage

When asking about room/area size in Japan:

この部屋(へや)の広(ひろ)さは？ (How big is this room?)
広(ひろ)さは20畳(じょう)です (It's 20 tatami mats in size)

Usage

広(ひろ)さ can describe abstract breadth:

心(こころ)の広(ひろ)さ (broadmindedness)
知識(ちしき)の広(ひろ)さ (breadth of knowledge)

Related measurements

面積(めんせき): Area (more technical/precise)
大(おお)きさ: Size (more general)

Related Words

Related: 広(ひろ)い (adjective form)

Related: 面積(めんせき) (area (technical))

Related: 大(おお)きさ (Size)

Related: 厚(あつ)さ (thickness)

general

Added 2026.1.13 15:25 · Revised 2026.9.2 12:02

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