Cover	9 Months Ended
	Feb. 28, 2022 shares
Cover [Abstract]
Entity Registrant Name	KARBON-X CORP.
Entity Central Index Key	0001729637
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--05-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Feb. 28, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding	64,900,000
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-56002
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	82-2882342
Entity Address Address Line 1	312 Doherty Drive
Entity Address City Or Town	Quesnel
Entity Address Country	CA
Entity Address Postal Zip Code	V2J 1B5
City Area Code	778
Local Phone Number	256-5730
Entity Interactive Data Current	Yes