SuGoiSuす語彙すGrammar › N2 · 01 Conditions and hypotheticals
〜とすると: if so, then; that means
N2 · 01 Conditions and hypotheticals
Draws a conclusion from a fact or assumption you have just heard or noticed.
Plain form + とすると. Often used in deduction: 道が閉鎖だとすると、遠回りだね. The result is a logical consequence, often with 〜ことになる. Can also appear at the start of a sentence as とすると (in that case).
Examples
電車が止まっているとすると、会議には間に合わないな。
If the trains have stopped, I won't make it to the meeting.
彼が先に着いたとすると、もう中にいるはずだ。
If he arrived first, then he should be inside already.