noun
dimensions; measurements; size
Refers to the measured size or physical dimensions of an object, clothing, room, part, etc. Common in phrases such as 寸法を測る and 寸法が合う.
棚を買う前に、置き場所の寸法を測った。
Before buying the shelf, I measured the dimensions of the place where it would go.
このシャツは
The shoulder measurements of this shirt are a little off.
noun
plan; arrangement; intended course
Used for how something is planned or arranged to work out, often in the pattern 〜という寸法だ. It can sound somewhat conversational or explanatory compared with straightforward 計画.
まず私が説明し、そのあと田中さんが実演する寸法だ。
The plan is that I explain first, and then Tanaka demonstrates.
この割引を使えば、予算内に収まる寸法だ。
If we use this discount, the arrangement is that it will fit within the budget.