Sarf
صرف
Pronunciation: SARF
Currency exchange: trading money for money, which must be settled on the spot to avoid riba.
Definition
The exchange of one currency for another, or gold and silver for each other. Based on the hadith on ribawi commodities, the exchange must be hand to hand (spot settlement) and, when the same currency or metal is exchanged, in equal amounts. Different currencies may be exchanged at any agreed rate but still on the spot.
Deferred or forward currency trades, leveraged forex, and most currency derivatives fail the spot requirement, which is why they are generally impermissible. Sarf rules also shape scholarly debate on cryptocurrency, gold investing, and international remittances.
Related Terms
Riba al-Fadlربا الفضل
Riba of excess: unequal exchange of the same ribawi commodity, such as gold for gold or dollars for dollars.
Riba al-Nasi'ahربا النسيئة
Riba of delay: any increase charged for time on a debt, which is what modern interest is.
Hawalahحوالة
Transfer of a debt from one debtor to another, and the basis of informal and formal remittance systems.
Ghararغرر
Excessive uncertainty or ambiguity in a contract - one of the three major prohibitions in Islamic finance.
Khiyarخيار
An option to confirm or cancel a sale within a set period or on a set condition.
Ibra'إبراء
A rebate or waiver: the creditor gives up part of what is owed, typically on early settlement.
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Sarf (صرف) - Currency exchange: trading money for money, which must be settled on the spot to avoid riba. The exchange of one currency for another, or gold and silver for each other. Based on the hadith on ribawi commodities, the exchange must be hand to hand (spot settlement) and, when the same currency or metal is exchanged, in equal amounts.
- Currency exchange: trading money for money, which must be settled on the spot to avoid riba.
- Category: Contracts
- Related: Riba al-Fadl, Riba al-Nasi'ah, Hawalah, Gharar, Khiyar, Ibra'
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Source: HalalWallet (halalwallet.ca)
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This page is reviewed against HalalWallet editorial standards and source documentation.
Reviewed by: HalalWallet Editorial Team
Last reviewed: 2026-10-01
Editorial Team, HalalWallet
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