Is it permissible to borrow dirhams and dinars (currency) for the purpose of weighing or measuring?
General Chapter
Al-Mughni
Book of Loan for Use
Primary text
It is permissible to borrow dirhams and dinars for the purpose of weighing or measuring with them. This transaction is classified as a loan (I'arah). This is the position held by the Ashab al-Ra'y (the People of Opinion).
Supporting text
It is held by another opinion that borrowing currency for this purpose is not permissible, and currency cannot be the subject of a loan (I'arah), meaning the borrower is prohibited from purchasing anything with them.