v3.25.3
Cover - USD ($)
 12 Months Ended
Jun. 30, 2025
Oct. 13, 2025
Document Information [Line Items]    
Document Type 10-K  
Document Annual Report true  
Document Transition Report false  
Document Financial Statement Error Correction [Flag] false  
Entity Interactive Data Current No  
ICFR Auditor Attestation Flag false  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus FY  
Documents Incorporated by Reference [Text Block]

None.

  
Entity Information [Line Items]    
Entity Registrant Name SINGULARITY FUTURE TECHNOLOGY LTD.  
Entity Central Index Key 0001422892  
Entity File Number 001-34024  
Entity Tax Identification Number 11-3588546  
Entity Incorporation, State or Country Code VA  
Current Fiscal Year End Date --06-30  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status No  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Public Float $ 4,287,562  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 48 Wall Street  
Entity Address, Address Line Two Suite 1100  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10005  
Entity Phone Fax Numbers [Line Items]    
City Area Code (718)  
Local Phone Number 888-1814  
Entity Listings [Line Items]    
Title of 12(b) Security Common Stock, no par value  
Trading Symbol SGLY  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   4,203,492