Document and Entity Information (USD $)	12 Months Ended
	May 31, 2012	Sep. 07, 2012	Nov. 30, 2011
Document and Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	May 31, 2012
Entity Registrant Name	U S PRECIOUS METALS INC
Entity Central Index Key	0001286181
Current Fiscal Year End Date	--05-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2012
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		105,205,852
Entity Public Float			$ 12,676,783
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes